execline
Software
skarnet.org

The backtick program

backtick runs a program and stores its output in an environment variable, then executes another program.

Interface

In an execlineb script:

     backtick [ -i | -I | -x | -D default ] [ -N | -n ] [ -E | -e ] variable { prog1... } prog2...

Options

The other options tell backtick what to do if prog1...'s output is not suitable as the contents of an environment variable (i.e. it contains a null character) or if prog1... crashes or exits nonzero: