gistfile1.txt

akesterson@ATLPTLBS3TWW1 ~/source/cmdarg
$ cat test.sh
#!/bin/bash

source cmdarg.sh


function x
{
        y
}

function z
{
        x
}

function y
{
        trap cmdarg_traceback ERR
        rm /dev/lolidontexist
        trap - ERR
}

z

akesterson@ATLPTLBS3TWW1 ~/source/cmdarg
$ ./test.sh
rm: cannot remove `/dev/lolidontexist': No such file or directory
  File "./test.sh", line 23, probably in main
    z
  File "./test.sh", line 13, probably in z
        x
  File "./test.sh", line 8, probably in x
        y
  Error: