Capture -x debug commands into a file in Bash

bash debugging

With bash 4.1 or later:

#!/bin/bashexec 5> command.txtBASH_XTRACEFD="5"echo -n "hello "set -xecho -n worldset +xecho "!"

Output to stdout (FD 1):

hello world!

Output to command.txt (FD 5):

+ echo -n world+ set +x

CodeHunter