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-rw-r--r--editors/sed.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/editors/sed.c b/editors/sed.c
index 3a0d917aa..ef462843b 100644
--- a/editors/sed.c
+++ b/editors/sed.c
@@ -1435,15 +1435,21 @@ int sed_main(int argc UNUSED_PARAM, char **argv)
IF_LONG_OPTS(applet_long_options = sed_longopts);
/* -i must be first, to match OPT_in_place definition */
- opt = getopt32(argv, "i::rne:f:", &opt_i, &opt_e, &opt_f,
+ /* -E is a synonym of -r:
+ * GNU sed 4.2.1 mentions it in neither --help
+ * nor manpage, but does recognize it.
+ */
+ opt = getopt32(argv, "i::rEne:f:", &opt_i, &opt_e, &opt_f,
&G.be_quiet); /* counter for -n */
//argc -= optind;
argv += optind;
if (opt & OPT_in_place) { // -i
atexit(cleanup_outname);
}
- if (opt & 0x2) G.regex_type |= REG_EXTENDED; // -r
- //if (opt & 0x4) G.be_quiet++; // -n
+ if (opt & (2|4))
+ G.regex_type |= REG_EXTENDED; // -r or -E
+ //if (opt & 8)
+ // G.be_quiet++; // -n (implemented with a counter instead)
while (opt_e) { // -e
add_cmd_block(llist_pop(&opt_e));
}
@@ -1458,7 +1464,7 @@ int sed_main(int argc UNUSED_PARAM, char **argv)
fclose(cmdfile);
}
/* if we didn't get a pattern from -e or -f, use argv[0] */
- if (!(opt & 0x18)) {
+ if (!(opt & 0x30)) {
if (!*argv)
bb_show_usage();
add_cmd_block(*argv++);