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//proc/self/root/usr/share/doc/bash-3.2/functions/exitstat
# Contributed by Noah Friedman and Roland McGrath. # To be run by the PROMPT_COMMAND variable, so that one can see what # the exit status of processes are. function check_exit_status () { local status="$?" local signal="" if [ ${status} -ne 0 ] && [ ${status} != 128 ]; then # If process exited by a signal, determine name of signal. if [ ${status} -gt 128 ]; then signal="$(builtin kill -l $((${status} - 128)) 2>/dev/null)" if [ "$signal" ]; then signal="($signal)"; fi fi echo "[Exit ${status} ${signal}]" 1>&2 fi return 0 } PROMPT_COMMAND=check_exit_status