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sed: accept -E as a synonym for -r

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Signed-off-by: David A. Wheeler <dwheeler@dwheeler.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
David A. Wheeler 2013-10-29 00:52:48 +01:00 committed by Denys Vlasenko
parent 2d576e2a22
commit af0cdeedc6
1 changed files with 10 additions and 4 deletions
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14
editors/sed.c
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@ -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++);