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SHTOOL-PATH.TMP

NAME

shtool−path − GNU shtool command dealing with shell path variables

SYNOPSIS

shtool path [−s|−−suppress] [−r|−−reverse] [−d|−−dirname] [−b|−−basename] [−m|−−magic] [−p|−−path path] str [str ...]

DESCRIPTION

This command deals with shell $PATH variables. It can find a program through one or more filenames given by one or more str arguments. It prints the absolute filesystem path to the program displayed on "stdout" plus an exit code of 0 if it was really found.

OPTIONS

The following command line options are available.
−s
, −−suppress

Suppress output. Useful to only test whether a program exists with the help of the return code.

−r, −−reverse

Transform a forward path to a subdirectory into a reverse path.

−d, −−dirname

Output the directory name of str.

−b, −−basename

Output the base name of str.

−m, −−magic

Enable advanced magic search for ""perl"" and ""cpp"".

−p, −−path path

Search in path. Default is to search in $PATH.

EXAMPLE

 #   shell script
 awk=`shtool path −p "${PATH}:." gawk nawk awk`
 perl=`shtool path −m perl`
 cpp=`shtool path −m cpp`
 revpath=`shtool path −r path/to/subdir`

HISTORY

The GNU shtool path command was originally written by Ralf S. Engelschall <rse AT engelschall DOT com> in 1998 for Apache. It was later taken over into GNU shtool.

SEE ALSO

shtool(1), which(1).

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