| : ${TMPDIR:=/var/tmp} | |
| TRACEFILE=$TMPDIR/bash-trace-$$ | |
| trap 'rm -f $TRACEFILE' 0 1 2 3 6 15 | |
| exec 4>$TRACEFILE | |
| BASH_XTRACEFD=4 | |
| set -x | |
| echo 1 | |
| echo 2 | |
| echo 3 | |
| echo 4 | |
| unset BASH_XTRACEFD | |
| for f in a b c d e; do echo $f ; done | |
| set +x | |
| echo TRACEFILE: | |
| cat $TRACEFILE | |
| echo ===== | |
| exit 0 |