shtool-path (1) Linux Manual Page
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
- Supress 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`