\s-1gnu\s0 shtool command dealing with shell path variables
shtool path [-s|--suppress] [-r|--reverse] [-d|--dirname] [-b|--basename] [-m|--magic] [-p|--path path] str [str ...]
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 \*(C`stdout\*(C' plus an exit code of 0 if it was really found.
The following command line options are available.
Supress output. Useful to only test whether a program exists with the help of the return code.
Transform a forward path to a subdirectory into a reverse path.
Output the directory name of str.
Output the base name of str.
Enable advanced magic search for "\*(C`perl\*(C'\*(L" and \*(R"\*(C`cpp\*(C'".
Search in path. Default is to search in $PATH.
# shell script
awk=`shtool path -p "${PATH}:." gawk nawk awk`
perl=`shtool path -m perl`
cpp=`shtool path -m cpp`
revpath=`shtool path -r path/to/subdir`
The \s-1GNU\s0 shtool path command was originally written by Ralf S. Engelschall <[email protected]> in 1998 for Apache. It was later taken over into \s-1GNU\s0 shtool.
shtool\|(1), which\|(1).