In other shells, both trap and kill builtins accept two form of signal names,
i.e., TERM and SIGTERM. Even /bin/kill allows the SIG* form. Having dash fail
by not recognizing the SIG prefix introduces some confusion among users.
---
src/trap.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/trap.c b/src/trap.c
index 17316c9..a64133c 100644
--- a/src/trap.c
+++ b/src/trap.c
@@ -408,6 +408,9 @@ int decode_signal(const char *string, int minsig)
return signo;
}
+ if (string[0] == 'S' && string[1] == 'I' && string[2] == 'G')
+ string += 3;
+
for (signo = minsig; signo < NSIG; signo++) {
if (!strcasecmp(string, signal_names[signo])) {
return signo;
--
1.7.10.4
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