cut: tweak --help

function                                             old     new   delta
packed_usage                                       34901   34934     +33
cut_main                                            1353    1339     -14
.rodata                                           105724  105685     -39
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/2 up/down: 33/-53)            Total: -20 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2024-12-11 01:10:05 +01:00
parent 9e364b16d1
commit a4894eaf71
2 changed files with 10 additions and 11 deletions

View file

@ -27,7 +27,8 @@
//kbuild:lib-$(CONFIG_CUT) += cut.o
//usage:#define cut_trivial_usage
//usage: "[OPTIONS] [FILE]..."
//usage: "{-b|c LIST | -f"IF_FEATURE_CUT_REGEX("|F")" LIST [-d SEP] [-s]} [-D] [-O SEP] [FILE]..."
// --output-delimiter SEP is too long to fit into 80 char-wide help ----------------^^^^^^^^
//usage:#define cut_full_usage "\n\n"
//usage: "Print selected fields from FILEs to stdout\n"
//usage: "\n -b LIST Output only bytes from LIST"
@ -44,11 +45,7 @@
//usage: "\n -s Drop lines with no delimiter (else print them in full)"
//usage: "\n -D Don't sort/collate sections or match -f"IF_FEATURE_CUT_REGEX("F")" lines without delimeter"
//usage: IF_LONG_OPTS(
//usage: IF_FEATURE_CUT_REGEX(
//usage: "\n --output-delimiter SEP Output field delimeter (default = -d for -f, one space for -F)"
//usage: ) IF_NOT_FEATURE_CUT_REGEX(
//usage: "\n --output-delimiter SEP Output field delimeter (default = -d)"
//usage: )
//usage: "\n --output-delimiter SEP Output field delimeter"
//usage: ) IF_NOT_LONG_OPTS(
//usage: IF_FEATURE_CUT_REGEX(
//usage: "\n -O SEP Output field delimeter (default = -d for -f, one space for -F)"
@ -302,7 +299,8 @@ int cut_main(int argc UNUSED_PARAM, char **argv)
#else
opt = getopt32long(argv, "^"
OPT_STR // = "b:c:f:d:O:sD"IF_FEATURE_CUT_REGEX("F:")"n"
"\0" "b--"ARG":c--"ARG":f--"ARG IF_FEATURE_CUT_REGEX("F--"ARG),
"\0" "b:c:f:"IF_FEATURE_CUT_REGEX("F:") /* one of -bcfF is required */
"b--"ARG":c--"ARG":f--"ARG IF_FEATURE_CUT_REGEX(":F--"ARG), /* they are mutually exclusive */
cut_longopts,
&sopt, &sopt, &sopt, &delim, &odelim IF_FEATURE_CUT_REGEX(, &sopt)
);
@ -314,8 +312,9 @@ int cut_main(int argc UNUSED_PARAM, char **argv)
// argc -= optind;
argv += optind;
if (!(opt & (OPT_BYTE | OPT_CHAR | OPT_FIELDS | OPT_REGEX)))
bb_simple_error_msg_and_die("expected a list of bytes, characters, or fields");
//if (!(opt & (OPT_BYTE | OPT_CHAR | OPT_FIELDS | OPT_REGEX)))
// bb_simple_error_msg_and_die("expected a list of bytes, characters, or fields");
// ^^^ handled by getopt32
/* non-field (char or byte) cutting has some special handling */
if (!(opt & (OPT_FIELDS|OPT_REGEX))) {

View file

@ -93,7 +93,7 @@ getopt32(char **argv, const char *applet_opts, ...)
"!" If the first character in the applet_opts string is a '!',
report bad options, missing required options,
inconsistent options with all-ones return value (instead of abort.
inconsistent options with all-ones return value instead of aborting.
"+" If the first character in the applet_opts string is a plus,
then option processing will stop as soon as a non-option is
@ -265,7 +265,7 @@ Special characters:
for "long options only" cases, such as tar --exclude=PATTERN,
wget --header=HDR cases.
"a?b" A "?" between an option and a group of options means that
"a?bc" A "?" between an option and a group of options means that
at least one of them is required to occur if the first option
occurs in preceding command line arguments.