1 | #
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2 | # Completion examples
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3 | #
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4 |
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5 | #
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6 | # This encapsulates the default bash completion code
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7 | # call with the word to be completed as $1
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8 | #
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9 | # Since programmable completion does not use the bash default completions
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10 | # or the readline default of filename completion when the compspec does
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11 | # not generate any matches, this may be used as a `last resort' in a
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12 | # completion function to mimic the default bash completion behavior.
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13 | #
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14 | _bash_def_completion ()
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15 | {
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16 | local h t
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17 | COMPREPLY=()
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18 |
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19 | # command substitution
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20 | if [[ "$1" == \$\(* ]]; then
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21 | t=${1#??}
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22 | COMPREPLY=( $(compgen -c -P '$(' $t) )
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23 | fi
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24 | # variables with a leading `${'
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25 | if [ ${#COMPREPLY[@]} -eq 0 ] && [[ "$1" == \$\{* ]]; then
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26 | t=${1#??}
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27 | COMPREPLY=( $(compgen -v -P '${' -S '}' $t) )
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28 | fi
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29 | # variables with a leading `$'
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30 | if [ ${#COMPREPLY[@]} -eq 0 ] && [[ "$1" == \$* ]]; then
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31 | t=${1#?}
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32 | COMPREPLY=( $(compgen -v -P '$' $t ) )
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33 | fi
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34 | # username expansion
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35 | if [ ${#COMPREPLY[@]} -eq 0 ] && [[ "$1" == ~* ]] && [[ "$1" != */* ]]; then
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36 | t=${1#?}
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37 | COMPREPLY=( $( compgen -u -P '~' $t ) )
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38 | fi
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39 | # hostname
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40 | if [ ${#COMPREPLY[@]} -eq 0 ] && [[ "$1" == *@* ]]; then
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41 | h=${1%%@*}
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42 | t=${1#*@}
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43 | COMPREPLY=( $( compgen -A hostname -P "${h}@" $t ) )
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44 | fi
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45 | # glob pattern
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46 | if [ ${#COMPREPLY[@]} -eq 0 ]; then
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47 | # sh-style glob pattern
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48 | if [[ $1 == *[*?[]* ]]; then
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49 | COMPREPLY=( $( compgen -G "$1" ) )
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50 | # ksh-style extended glob pattern - must be complete
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51 | elif shopt -q extglob && [[ $1 == *[?*+\!@]\(*\)* ]]; then
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52 | COMPREPLY=( $( compgen -G "$1" ) )
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53 | fi
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54 | fi
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55 |
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56 | # final default is filename completion
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57 | if [ ${#COMPREPLY[@]} -eq 0 ]; then
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58 | COMPREPLY=( $(compgen -f "$1" ) )
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59 | fi
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60 | }
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61 |
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62 | #
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63 | # Return 1 if $1 appears to contain a redirection operator. Handles backslash
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64 | # quoting (barely).
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65 | #
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66 | _redir_op()
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67 | {
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68 | case "$1" in
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69 | *\\'[\<\>]'*) return 1;;
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70 | *[\<\>]*) return 0;;
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71 | *) return 1;;
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72 | esac
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73 | }
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74 |
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75 |
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76 | # _redir_test tests the current word ($1) and the previous word ($2) for
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77 | # redirection operators and does filename completion on the current word
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78 | # if either one contains a redirection operator
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79 | _redir_test()
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80 | {
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81 | if _redir_op "$1" ; then
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82 | COMPREPLY=( $( compgen -f "$1" ) )
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83 | return 0
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84 | elif _redir_op "$2" ; then
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85 | COMPREPLY=( $( compgen -f "$1" ) )
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86 | return 0
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87 | fi
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88 | return 1
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89 | }
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90 |
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91 | # optional, but without this you can't use extended glob patterns
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92 | shopt -s extglob
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93 |
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94 | #
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95 | # Easy ones for the shell builtins
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96 | #
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97 | # nothing for: alias, break, continue, dirs, echo, eval, exit, getopts,
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98 | # let, logout, popd, printf, pwd, return, shift, suspend, test, times,
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99 | # umask
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100 | #
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101 |
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102 | complete -f -- . source
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103 | complete -A enabled builtin
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104 | complete -d cd
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105 |
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106 | # this isn't exactly right yet -- needs to skip shell functions and
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107 | # do $PATH lookup (or do compgen -c and filter out matches that also
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108 | # appear in compgen -A function)
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109 | complete -c command
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110 |
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111 | # could add -S '=', but that currently screws up because readline appends
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112 | # a space unconditionally
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113 |
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114 | complete -v export local readonly
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115 | complete -A helptopic help # currently same as builtins
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116 |
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117 | complete -d pushd
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118 |
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119 | complete -A shopt shopt
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120 |
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121 | complete -c type
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122 |
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123 | complete -a unalias
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124 | complete -v unset
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125 |
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126 | #
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127 | # Job control builtins: fg, bg, disown, kill, wait
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128 | # kill not done yet
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129 | #
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130 |
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131 | complete -A stopped -P '%' bg
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132 | complete -j -P '%' fg jobs disown
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133 |
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134 | # this is not quite right at this point
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135 |
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136 | _wait_func ()
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137 | {
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138 | local cur
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139 | cur=${COMP_WORDS[COMP_CWORD]}
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140 |
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141 | case "$cur" in
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142 | %*) COMPREPLY=( $(compgen -A running -P '%' ${cur#?} ) ) ;;
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143 | [0-9]*) COMPREPLY=( $(jobs -p | grep ^${cur}) ) ;;
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144 | *) COMPREPLY=( $(compgen -A running -P '%') $(jobs -p) )
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145 | ;;
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146 | esac
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147 | }
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148 | complete -F _wait_func wait
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149 |
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150 | #
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151 | # more complicated things, several as yet unimplemented
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152 | #
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153 |
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154 | #complete -F _bind_func bind
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155 |
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156 | _declare_func()
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157 | {
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158 | local cur prev nflag opts
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159 |
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160 | cur=${COMP_WORDS[COMP_CWORD]}
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161 | prev=${COMP_WORDS[COMP_CWORD-1]}
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162 |
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163 | COMPREPLY=()
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164 | if (( $COMP_CWORD <= 1 )) || [[ $cur == '-' ]]; then
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165 | COMPREPLY=(-a -f -F -i -p -r -t -x)
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166 | return 0;
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167 | fi
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168 | if [[ $cur == '+' ]]; then
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169 | COMPREPLY=(+i +t +x)
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170 | return 0;
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171 | fi
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172 | if [[ $prev == '-p' ]]; then
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173 | COMPREPLY=( $(compgen -v $cur) )
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174 | return 0;
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175 | fi
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176 | return 1
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177 | }
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178 | complete -F _declare_func declare typeset
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179 |
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180 | _enable_func()
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181 | {
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182 | local cur prev nflag opts
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183 |
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184 | cur=${COMP_WORDS[COMP_CWORD]}
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185 | prev=${COMP_WORDS[COMP_CWORD-1]}
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186 |
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187 | COMPREPLY=()
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188 | if (( $COMP_CWORD <= 1 )) || [[ $cur == '-' ]]; then
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189 | COMPREPLY=(-a -d -f -n -p -s)
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190 | return 0;
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191 | fi
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192 | if [[ $prev == '-f' ]]; then
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193 | COMPREPLY=( $( compgen -f $cur ) )
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194 | return 0;
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195 | fi
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196 | for opts in "${COMP_WORDS[@]}" ; do
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197 | if [[ $opts == -*n* ]]; then nflag=1; fi
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198 | done
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199 |
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200 | if [ -z "$nflag" ] ; then
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201 | COMPREPLY=( $( compgen -A enabled $cur ) )
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202 | else
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203 | COMPREPLY=( $( compgen -A disabled $cur ) )
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204 | fi
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205 | return 0;
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206 | }
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207 | complete -F _enable_func enable
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208 |
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209 | _exec_func()
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210 | {
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211 | local cur prev
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212 |
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213 | cur=${COMP_WORDS[COMP_CWORD]}
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214 | prev=${COMP_WORDS[COMP_CWORD-1]}
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215 |
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216 | if (( $COMP_CWORD <= 1 )) || [[ $cur == '-' ]]; then
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217 | COMPREPLY=(-a -c -l)
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218 | return 0;
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219 | fi
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220 | if [[ $prev != -*a* ]]; then
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221 | COMPREPLY=( $( compgen -c $cur ) )
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222 | return 0
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223 | fi
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224 | return 1;
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225 | }
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226 | complete -F _exec_func exec
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227 |
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228 | _fc_func()
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229 | {
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230 | local cur prev
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231 |
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232 | cur=${COMP_WORDS[COMP_CWORD]}
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233 | prev=${COMP_WORDS[COMP_CWORD-1]}
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234 |
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235 | if (( $COMP_CWORD <= 1 )) || [[ $cur == '-' ]]; then
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236 | COMPREPLY=(-e -n -l -r -s)
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237 | return 0;
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238 | fi
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239 | if [[ $prev == -*e ]]; then
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240 | COMPREPLY=( $(compgen -c $cur) )
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241 | return 0
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242 | fi
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243 | return 1
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244 | }
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245 | complete -F _fc_func fc
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246 |
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247 | _hash_func()
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248 | {
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249 | local cur prev
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250 |
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251 | cur=${COMP_WORDS[COMP_CWORD]}
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252 | prev=${COMP_WORDS[COMP_CWORD-1]}
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253 |
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254 | if (( $COMP_CWORD <= 1 )) || [[ $cur == '-' ]]; then
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255 | COMPREPLY=(-p -r -t)
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256 | return 0;
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257 | fi
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258 |
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259 | if [[ $prev == '-p' ]]; then
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260 | COMPREPLY=( $( compgen -f $cur ) )
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261 | return 0;
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262 | fi
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263 | COMPREPLY=( $( compgen -c $cur ) )
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264 | return 0
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265 | }
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266 | complete -F _hash_func hash
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267 |
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268 | _history_func()
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269 | {
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270 | local cur prev
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271 |
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272 | cur=${COMP_WORDS[COMP_CWORD]}
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273 | prev=${COMP_WORDS[COMP_CWORD-1]}
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274 |
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275 | COMPREPLY=()
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276 | if (( $COMP_CWORD <= 1 )) || [[ $cur == '-' ]]; then
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277 | COMPREPLY=(-a -c -d -n -r -w -p -s)
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278 | return 0;
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279 | fi
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280 | if [[ $prev == -[anrw] ]]; then
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281 | COMPREPLY=( $( compgen -f $cur ) )
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282 | fi
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283 | return 0
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284 | }
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285 | complete -F _history_func history
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286 |
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287 | #complete -F _read_func read
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288 |
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289 | _set_func ()
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290 | {
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291 | local cur prev
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292 |
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293 | cur=${COMP_WORDS[COMP_CWORD]}
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294 | prev=${COMP_WORDS[COMP_CWORD-1]}
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295 |
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296 | COMPREPLY=()
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297 |
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298 | _redir_test "$cur" "$prev" && return 0;
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299 |
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300 | if (( $COMP_CWORD <= 1 )) || [[ $cur == '-' ]]; then
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301 | COMPREPLY=(-a -b -e -f -k -m -n -o -p -t -u -v -x -B -C -H -P --)
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302 | return 0;
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303 | fi
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304 | if [[ $cur == '+' ]]; then
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305 | COMPREPLY=(+a +b +e +f +k +m +n +o +p +t +u +v +x +B +C +H +P)
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306 | return 0;
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307 | fi
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308 | if [[ $prev == [+-]o ]]; then
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309 | COMPREPLY=( $(compgen -A setopt $cur) )
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310 | return 0;
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311 | fi
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312 | return 1;
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313 | }
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314 | complete -F _set_func set
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315 |
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316 | _trap_func ()
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317 | {
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318 | local cur
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319 | cur=${COMP_WORDS[COMP_CWORD]}
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320 |
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321 | if (( $COMP_CWORD <= 1 )) || [[ $cur == '-' ]]; then
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322 | COMPREPLY=(-l -p)
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323 | return 0;
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324 | fi
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325 | COMPREPLY=( $( compgen -A signal ${cur}) )
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326 | return 0
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327 | }
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328 | complete -F _trap_func trap
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329 |
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330 | #
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331 | # meta-completion (completion for complete/compgen)
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332 | #
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333 | _complete_meta_func()
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334 | {
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335 | local cur prev cmd
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336 | COMPREPLY=()
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337 |
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338 | cmd=$1
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339 |
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340 | cur=${COMP_WORDS[COMP_CWORD]}
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341 | prev=${COMP_WORDS[COMP_CWORD-1]}
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342 |
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343 | _redir_test "$cur" "$prev" && return 0;
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344 |
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345 | if (( $COMP_CWORD <= 1 )) || [[ "$cur" == '-' ]]; then
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346 | case "$cmd" in
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347 | complete) COMPREPLY=(-a -b -c -d -e -f -j -k -s -v -u -r -p -A -G -W -P -S -X -F -C);;
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348 | compgen) COMPREPLY=(-a -b -c -d -e -f -j -k -s -v -u -A -G -W -P -S -X -F -C);;
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349 | esac
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350 | return 0
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351 | fi
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352 |
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353 | if [[ $prev == -A ]]; then
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354 | COMPREPLY=(alias arrayvar binding builtin command directory \
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355 | disabled enabled export file 'function' helptopic hostname job keyword \
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356 | running service setopt shopt signal stopped variable)
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357 | return 0
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358 | elif [[ $prev == -F ]]; then
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359 | COMPREPLY=( $( compgen -A function $cur ) )
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360 | elif [[ $prev == -C ]]; then
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361 | COMPREPLY=( $( compgen -c $cur ) )
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362 | else
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363 | COMPREPLY=( $( compgen -c $cur ) )
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364 | fi
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365 | return 0
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366 | }
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367 | complete -F _complete_meta_func complete compgen
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368 |
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369 | #
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370 | # some completions for shell reserved words
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371 | #
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372 | #complete -c -k time do if then else elif '{'
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373 |
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374 | #
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375 | # external commands
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376 | #
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377 |
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378 | complete -e printenv
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379 |
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380 | complete -c nohup exec nice eval trace truss strace sotruss gdb
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381 |
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382 | _make_targets ()
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383 | {
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384 | local mdef makef gcmd cur prev i
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385 |
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386 | COMPREPLY=()
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387 | cur=${COMP_WORDS[COMP_CWORD]}
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388 | prev=${COMP_WORDS[COMP_CWORD-1]}
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389 |
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390 | # if prev argument is -f, return possible filename completions.
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391 | # we could be a little smarter here and return matches against
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392 | # `makefile Makefile *.mk', whatever exists
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393 | case "$prev" in
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394 | -*f) COMPREPLY=( $(compgen -f $cur ) ); return 0;;
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395 | esac
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396 |
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397 | # if we want an option, return the possible posix options
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398 | case "$cur" in
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399 | -) COMPREPLY=(-e -f -i -k -n -p -q -r -S -s -t); return 0;;
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400 | esac
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401 |
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402 | # make reads `makefile' before `Makefile'
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403 | # GNU make reads `GNUmakefile' before all other makefiles, but we
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404 | # check that we're completing `gmake' before checking for it
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405 | if [ -f GNUmakefile ] && [ ${COMP_WORDS[0]} == gmake ]; then
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406 | mdef=GNUmakefile
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407 | elif [ -f makefile ]; then
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408 | mdef=makefile
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409 | elif [ -f Makefile ]; then
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410 | mdef=Makefile
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411 | else
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412 | mdef=*.mk # local convention
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413 | fi
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414 |
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415 | # before we scan for targets, see if a makefile name was specified
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416 | # with -f
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417 | for (( i=0; i < ${#COMP_WORDS[@]}; i++ )); do
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418 | if [[ ${COMP_WORDS[i]} == -*f ]]; then
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419 | eval makef=${COMP_WORDS[i+1]} # eval for tilde expansion
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420 | break
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421 | fi
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422 | done
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423 |
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424 | [ -z "$makef" ] && makef=$mdef
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425 |
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426 | # if we have a partial word to complete, restrict completions to
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427 | # matches of that word
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428 | if [ -n "$2" ]; then gcmd='grep "^$2"' ; else gcmd=cat ; fi
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429 |
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430 | # if we don't want to use *.mk, we can take out the cat and use
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431 | # test -f $makef and input redirection
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432 | COMPREPLY=( $(cat $makef 2>/dev/null | awk 'BEGIN {FS=":"} /^[^.# ][^=]*:/ {print $1}' | tr -s ' ' '\012' | sort -u | eval $gcmd ) )
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433 | }
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434 | complete -F _make_targets -X '+($*|*.[cho])' make gmake pmake
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435 |
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436 | _umount_func ()
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437 | {
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438 | COMPREPLY=( $(mount | awk '{print $1}') )
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439 | }
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440 | complete -F _umount_func umount
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441 |
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442 | _configure_func ()
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443 | {
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444 | case "$2" in
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445 | -*) ;;
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446 | *) return ;;
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447 | esac
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448 |
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449 | case "$1" in
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450 | \~*) eval cmd=$1 ;;
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451 | *) cmd="$1" ;;
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452 | esac
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453 |
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454 | COMPREPLY=( $("$cmd" --help | awk '{if ($1 ~ /--.*/) print $1}' | grep ^"$2" | sort -u) )
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455 | }
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456 | complete -F _configure_func configure
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457 |
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458 | complete -W '"${GROUPS[@]}"' newgrp
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459 |
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460 | complete -f chown ln more cat
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461 | complete -d mkdir rmdir
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462 | complete -f strip
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463 |
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464 | complete -f -X '*.gz' gzip
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465 | complete -f -X '*.bz2' bzip2
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466 | complete -f -X '*.Z' compress
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467 | complete -f -X '!*.+(gz|tgz|Gz)' gunzip gzcat zcat zmore
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468 | complete -f -X '!*.Z' uncompress zmore zcat
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469 | complete -f -X '!*.bz2' bunzip2 bzcat
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470 | complete -f -X '!*.zip' unzip
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471 | complete -f -X '!*.+(gif|jpg|jpeg|GIF|JPG|JPEG|bmp)' xv
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472 |
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473 | complete -f -X '!*.pl' perl perl5
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474 |
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475 | complete -A hostname rsh telnet rlogin ftp ping xping host traceroute nslookup
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476 | complete -A hostname rxterm rxterm3 rxvt2
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477 |
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478 | complete -u su
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479 | complete -g newgrp groupdel groupmod
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480 |
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481 | complete -f -X '!*.+(ps|PS)' gs gv ghostview psselect pswrap
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482 | complete -f -X '!*.+(dvi|DVI)' dvips xdvi dviselect dvitype catdvi
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483 | complete -f -X '!*.+(pdf|PDF)' acroread4
|
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484 | complete -f -X '!*.texi*' makeinfo texi2dvi texi2html
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485 | complete -f -X '!*.+(tex|TEX)' tex latex slitex
|
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486 |
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487 | complete -f -X '!*.+(mp3|MP3)' mpg123
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488 | complete -f -X '!*.+(htm|html)' links w3m lynx
|
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489 |
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490 | #
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491 | # other possibilities, left as exercises
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492 | #
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493 | #complete -F _find_func find
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494 | #complete -F _man_func man
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495 | #complete -F _stty_func stty
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