- add support for seq -s <separator>
diff --git a/coreutils/seq.c b/coreutils/seq.c
index 899cd69..cf856bf 100644
--- a/coreutils/seq.c
+++ b/coreutils/seq.c
@@ -16,8 +16,10 @@
int seq_main(int argc, char **argv)
{
double last, increment, i;
- enum { OPT_w = 1 };
- unsigned opt = getopt32(argv, "+w");
+ enum { OPT_w = 1, OPT_s };
+ const char *sep = "\n";
+ bool is_consecutive = 0;
+ unsigned opt = getopt32(argv, "+ws:", &sep);
unsigned width = 0;
argc -= optind;
@@ -39,9 +41,12 @@
/* You should note that this is pos-5.0.91 semantics, -- FK. */
while ((increment > 0 && i <= last) || (increment < 0 && i >= last)) {
- printf("%0*g\n", width, i);
+ if (is_consecutive++) {
+ printf("%s", sep);
+ }
+ printf("%0*g", width, i);
i += increment;
}
-
+ bb_putchar('\n');
return fflush(stdout);
}