Friday, July 29, 2022

[SOLVED] Argument passing in .sh scripts

Issue

I have a shell script foo.sh which is a qsub job with content:

    #!/bin/bash -l
    #$ -S /bin/bash
    #$ -N $2
    echo $1

I would like to pass two arguments. If I call qsub foo.sh a b the first argument gets correctly processed and echoed to the command line as 'a'. However, I do not know how to pass an argument in the second case starting with '#$ -N'. In this case $2 does not get evaluated to 'b' but actually '$2' is set. Help would be much appreciated.


Solution

No you can't. The # at the beginning of the line makes it so that the $2 won't be replaced by the argument to the script. The way to do what you're trying to do is

qsub foo.sh -N <name>


Answered By - dbeer
Answer Checked By - Marie Seifert (WPSolving Admin)