* Written by Mark Whitley <markw@codepoet.org>
* debloated by Bernhard Reutner-Fischer
*
- * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
+//config:config CUT
+//config: bool "cut (5.3 kb)"
+//config: default y
+//config: help
+//config: cut is used to print selected parts of lines from
+//config: each file to stdout.
+
+//applet:IF_CUT(APPLET_NOEXEC(cut, cut, BB_DIR_USR_BIN, BB_SUID_DROP, cut))
+
+//kbuild:lib-$(CONFIG_CUT) += cut.o
+
+//usage:#define cut_trivial_usage
+//usage: "[OPTIONS] [FILE]..."
+//usage:#define cut_full_usage "\n\n"
+//usage: "Print selected fields from each input FILE to stdout\n"
+//usage: "\n -b LIST Output only bytes from LIST"
+//usage: "\n -c LIST Output only characters from LIST"
+//usage: "\n -d CHAR Use CHAR instead of tab as the field delimiter"
+//usage: "\n -s Output only the lines containing delimiter"
+//usage: "\n -f N Print only these fields"
+//usage: "\n -n Ignored"
+//usage:
+//usage:#define cut_example_usage
+//usage: "$ echo \"Hello world\" | cut -f 1 -d ' '\n"
+//usage: "Hello\n"
+//usage: "$ echo \"Hello world\" | cut -f 2 -d ' '\n"
+//usage: "world\n"
#include "libbb.h"
/* option vars */
-static const char optstring[] ALIGN1 = "b:c:f:d:sn";
+#define OPT_STR "b:c:f:d:sn"
#define CUT_OPT_BYTE_FLGS (1 << 0)
#define CUT_OPT_CHAR_FLGS (1 << 1)
#define CUT_OPT_FIELDS_FLGS (1 << 2)
{
return (((struct cut_list *) a)->startpos -
((struct cut_list *) b)->startpos);
-
}
static void cut_file(FILE *file, char delim, const struct cut_list *cut_lists, unsigned nlists)
char *sopt, *ltok;
unsigned opt;
- opt_complementary = "b--bcf:c--bcf:f--bcf";
- opt = getopt32(argv, optstring, &sopt, &sopt, &sopt, <ok);
+ opt = getopt32(argv, "^"
+ OPT_STR
+ "\0" "b--bcf:c--bcf:f--bcf",
+ &sopt, &sopt, &sopt, <ok
+ );
// argc -= optind;
argv += optind;
if (!(opt & (CUT_OPT_BYTE_FLGS | CUT_OPT_CHAR_FLGS | CUT_OPT_FIELDS_FLGS)))
if (opt & CUT_OPT_SUPPRESS_FLGS) {
bb_error_msg_and_die
("suppressing non-delimited lines makes sense%s",
- _op_on_field);
+ _op_on_field);
}
if (delim != '\t') {
bb_error_msg_and_die
if (!ntok[0]) {
s = BOL;
} else {
- s = xatoi_u(ntok);
+ s = xatoi_positive(ntok);
/* account for the fact that arrays are zero based, while
* the user expects the first char on the line to be char #1 */
if (s != 0)
} else if (!ltok[0]) {
e = EOL;
} else {
- e = xatoi_u(ltok);
+ e = xatoi_positive(ltok);
/* if the user specified and end position of 0,
* that means "til the end of the line" */
if (e == 0)