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authorGravatar Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>2008-11-12 12:59:56 +0000
committerGravatar Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>2008-11-12 12:59:56 +0000
commit2598f761bb526afd8ec0de06071fcd6f1a897cd5 (patch)
tree563c08c1abfbab669dcacf51e76a6e5221fb192d /coreutils
parent1ad4db1d8e47b8835f19ad8fe44475db51cf01f9 (diff)
downloadbusybox-2598f761bb526afd8ec0de06071fcd6f1a897cd5.tar.gz
busybox-2598f761bb526afd8ec0de06071fcd6f1a897cd5.tar.bz2
- add seq -w support (Natanael Copa)
Diffstat (limited to 'coreutils')
-rw-r--r--coreutils/seq.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/coreutils/seq.c b/coreutils/seq.c
index 01d71f256..899cd696b 100644
--- a/coreutils/seq.c
+++ b/coreutils/seq.c
@@ -16,23 +16,30 @@ int seq_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int seq_main(int argc, char **argv)
{
double last, increment, i;
+ enum { OPT_w = 1 };
+ unsigned opt = getopt32(argv, "+w");
+ unsigned width = 0;
+ argc -= optind;
+ argv += optind;
i = increment = 1;
switch (argc) {
- case 4:
- increment = atof(argv[2]);
case 3:
- i = atof(argv[1]);
+ increment = atof(argv[1]);
case 2:
+ i = atof(*argv);
+ case 1:
last = atof(argv[argc-1]);
break;
default:
bb_show_usage();
}
+ if (opt & OPT_w) /* Pad to length of start or last */
+ width = MAX(strlen(*argv), strlen(argv[argc-1]));
/* You should note that this is pos-5.0.91 semantics, -- FK. */
while ((increment > 0 && i <= last) || (increment < 0 && i >= last)) {
- printf("%g\n", i);
+ printf("%0*g\n", width, i);
i += increment;
}