hello,

I have written a script named listall.sh with the following codes init.

#!/bin/bash
PATH="/proj/cmon/$1"
echo $PATH
if [ $# != 1 ]; then
echo "Usage: $0 ***"
exit 1
else
ls -l $PATH/*.sc
fi

Here there are 3 subdirectories (namely - src, data and jobs)under /proj/cmon, so if give something like "listall.sh src", it should list all the files in path "/proj/cmon/src", but I was getting listall.sh: line 8: ls: command not found. somebody please help me.

The PATH variable is special to the shell; by resetting it, you are preventing it from finding its regular binaries, such as /bin/ls. Use a different variable name (or, theoretically, use full path names to all binaries you need to use in your script).

Thanks era, after changing the variable PATH to DIRPATH am able to list all the files in the directory.