shtool-path - Online in the Cloud

PROGRAM:

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
<[email protected]> in 1998 for Apache. It was later taken over into GNU shtool.

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