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-rw-r--r--examples/functions/exitstat22
1 files changed, 22 insertions, 0 deletions
diff --git a/examples/functions/exitstat b/examples/functions/exitstat
new file mode 100644
index 0000000..f49ebf5
--- /dev/null
+++ b/examples/functions/exitstat
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+# 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