1 | # stty.bash
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2 | # Author: Noah Friedman <friedman@prep.ai.mit.edu>
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3 | # Created: 1992-01-11
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4 | # Last modified: 1993-09-29
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5 | # Public domain
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6 |
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7 | # Conversion to bash v2 syntax done by Chet Ramey
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8 |
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9 | # Commentary:
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10 | # Code:
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11 |
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12 | require remap_keybindings
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13 |
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14 | #:docstring stty:
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15 | # Track changes to certain keybindings with stty, and make those changes
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16 | # reflect in bash's readline bindings as well.
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17 | #
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18 | # This requires bash version 1.10 or newer, since previous versions did not
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19 | # implement the `bind' builtin.
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20 | #:end docstring:
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21 |
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22 | ###;;;autoload
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23 | function stty ()
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24 | {
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25 | local erase="backward-delete-char"
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26 | local kill="unix-line-discard"
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27 | local werase="backward-kill-word"
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28 | local lnext="quoted-insert"
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29 | local readline_function=""
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30 | local key=""
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31 | local stty_command=""
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32 |
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33 | while [ $# -gt 0 ]; do
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34 | case "$1" in
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35 | erase | kill | werase | lnext )
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36 | key=$(echo "${2}" | cat -v | sed 's/\^/\\C-/')
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37 | readline_function=$(eval echo \$${1})
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38 |
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39 | # Get rid of any current bindings; the whole point of this
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40 | # function is to make the distinction between readline
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41 | # bindings and particular cbreak characters transparent; old
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42 | # readline keybindings shouldn't hang around.
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43 | # could use bind -r here instead of binding to self-insert
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44 | remap_keybindings "${readline_function}" "self-insert"
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45 |
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46 | # Bind new key to appropriate readline function
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47 | bind "\"${key}\": ${readline_function}"
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48 |
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49 | stty_command="${stty_command} ${1} ${2}"
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50 | shift 2
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51 | ;;
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52 | *)
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53 | stty_command="${stty_command} ${1}"
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54 | shift
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55 | ;;
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56 | esac
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57 | done
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58 |
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59 | command stty ${stty_command}
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60 | }
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61 |
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62 | provide stty
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63 |
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64 | # stty.bash ends here
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