Error out when giving an empty delimiter to sort(1)

2026-01-26 13:43:17 +00:00 · 2016-03-07 11:18:30 +01:00 · 2016-03-07 11:18:30 +01:00 · 5ad71a466b
commit 5ad71a466b
parent 3debc5e064
1 changed files with 2 additions and 0 deletions
--- a/sort.c
+++ b/sort.c
@ -364,6 +364,8 @@ main(int argc, char *argv[])
 		break;
 	case 't':
 		fieldsep = EARGF(usage());
+		if (!*fieldsep)
+			eprintf("empty delimiter\n");
 		fieldseplen = unescape(fieldsep);
 		break;
 	case 'u':