Changeset 61 for trunk/doc/kmkdocs.c


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Timestamp:
Dec 14, 2003, 12:18:38 AM (22 years ago)
Author:
bird
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  • trunk/doc/kmkdocs.c

    r19 r61  
    4848 *
    4949 *
    50  * @subsection          The Micro Shell
    51  *
    52  * The micro shell provides the basic shell functionality kBuild need - no more,
    53  * no less. It is intended to be as simple as possible.
    54  *
    55  * The shell commands are case sensitive - all lowercase.
    56  *
    57  * The shell environment variables are case sensitive or insensitive according to
    58  * host os.
    59  *
    60  *
    61  *
    62  * @subsubsection       Command Separators
    63  *
    64  * There is one command separator '&&'. This works like splitting the command line
    65  * into several makefile lines. This splitting isn't done by the micro shell but
    66  * the makefile interpreter.
    67  *
    68  * You might thing this is limiting, but no, you can use all the makefile command
    69  * prefixes.
    70  *
    71  *
    72  *
    73  * @subsubsection       Path Component Separator (/)
    74  *
    75  * The shell uses '/' as path component separator.
    76  * For host OSes  with the notion of drive letters or similar, ':' is
    77  * used to separate the drive letter and the path.
    78  *
    79  *
    80  *
    81  * @subsubsection       UNC paths
    82  *
    83  * For host OSes which supports UNC paths these are supported but for the chdir
    84  * command.
    85  *
    86  * The Path Component Separator is still '/' for UNC paths.
    87  *
    88  *
    89  *
    90  * @subsubsection       Wildchars
    91  *
    92  * '*' and '?' are accepted as wildchars.
    93  *
    94  * '*' means 0 or more characters. <br>
    95  * '?' means 1 character.
    96  *
    97  * When the term 'pattern' is use in command description this means that
    98  * wildchars are accepted.
    99  *
    100  *
    101  *
    102  * @subsubsection       Quoting
    103  *
    104  * Use double quotes (") to quote filenames or executables containing spaces.
    105  *
    106  *
    107  *
    108  * @subsubsection       Execute Program
    109  *
    110  * If the first, possibly quoted, word of a commandline if not found as an
    111  * internal command will be tried executed. If no path it will be searched
    112  * for in the PATH environment variable.
    113  *
    114  *
    115  *
    116  * @subsubsection       Commands
    117  *
    118  * This section will describe the commands implemented by the shell.
    119  *
    120  *
    121  *
    122  * @subsubsubsection    copy
    123  * Copies one or more files to a target file or directory.
    124  *
    125  * <b>Syntax: copy <source file pattern> [more sources] <target> </b>
    126  *
    127  * Specify one or more source file patterns.
    128  *
    129  * Specify exactly one target. The target may be a directory or a file.
    130  * If it's a file and multiple source files specified either thru pattern or
    131  * multiple source file specifications, the target file will be a copy of the
    132  * last one.
    133  *
    134  * The command fails if a source file isn't found. It also fails on read or
    135  * write errors.
    136  *
    137  *
    138  *
    139  * @subsubsubsection    copytree
    140  * Copies one or more files to a target file or directory.
    141  *
    142  * <b>Syntax: copytree <source directory> <target directory> </b>
    143  *
    144  * Specify exactly one source directory.
    145  *
    146  * Specify exactly one target directory. The target directory path will be
    147  * created if doesn't exist.
    148  *
    149  * The command fails if source directory isn't found. It also fails on read or
    150  * write errors.
    151  *
    152  *
    153  *
    154  * @subsubsubsection    rm
    155  * Deletes one or more files.
    156  *
    157  * <b>Syntax: rm [file pattern] [more files] </b>
    158  *
    159  * Specify 0 or more file patterns for deletion.
    160  *
    161  * This command fails if it cannot delete a file. It will not fail if a file
    162  * doesn't exist. It will neither fail if no files are specified.
    163  *
    164  *
    165  *
    166  * @subsubsubsection    rmtree
    167  * Deletes one or more directory trees.
    168  *
    169  * <b>Syntax: rmtree [directory pattern] [directories] </b>
    170  *
    171  * Specify 0 or more directory patterns for deletion.
    172  *
    173  * This command fails if it cannot delete a file or directory. It will not fail
    174  * if a directory doesn't exist. It will neither fail if no files are specified.
    175  *
    176  *
    177  *
    178  * @subsubsubsection    chdir
    179  * Changes the current directory.
    180  *
    181  * This updates the .CWD macro to the new current directory path.
    182  *
    183  * <b>Syntax: chdir <directory> </b>
    184  *
    185  *
    186  *
    187  * @subsubsubsection    mkdir
    188  * Create directory.
    189  *
    190  * <b>Syntax:  mkdir <directory> </b>
    191  *
    192  * Specify one directory to create.
    193  *
    194  *
    195  *
    196  * @subsubsubsection    rmdir
    197  * Remove directory.
    198  *
    199  * <b>Syntax: rmdir <directory> </b>
    200  *
    201  * Specify one directory to remove. The directory must be empty.
    202  *
    203  * This command failes if directory isn't empty. It will not fail if
    204  * the directory doesn't exist.
    205  *
    206  *
    207  *
    208  * @subsubsubsection    set
    209  * Set environment variable.
    210  *
    211  * <b>Syntax: set <envvar>=<value> </b>
    212  *
    213  *
    214  *
    215  * @subsubsubsection    unset
    216  * Unset enviornment variable(s).
    217  *
    218  * <b>Syntax: unset <envvar pattern> [more envvars] </b>
    219  *
    220  * Specify on or more environment variable patterns.
    221  *
    222  *
    223  *
    224  * @subsubsubsection    pushenv
    225  * Pushes a set of environment variables onto the environment stack. The
    226  * variables can later be popped back using the popenv command.
    227  *
    228  * If '*' is specified as pattern the complete enviornment is pushed and
    229  * when popped it will <b>replace</b> the enviornment.
    230  *
    231  * <b>Syntax: pushenv <envvar pattern> [more envvars] </b>
    232  * <b>Syntax: pushenv * </b>
    233  *
    234  *
    235  *
    236  * @subsubsubsection    popenv
    237  * Pop a set of environment variables from the environment stack. If a '*'
    238  * push was done, we'll replace the enviornment with the variables poped off
    239  * the stack.
    240  *
    241  * <b>Syntax: popenv </b>
    242  *
    243  *
    244  *
    245  * @subsubsubsection    echo
    246  * Prints a message to stdout.
    247  *
    248  * <b>Syntax: echo <level> <message>
    249  *
    250  * Level is verbosity level of the message. This is compared with the
    251  * KBUILD_MSG_LEVEL environment variable. The message is suppressed if the
    252  * level is lower that KBUILD_MSG_LEVEL.
    253  *
    254  * The message can be empty. Then a blank line will be printed.
    255  *
    256  *
    25750 *
    25851 */
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