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-rw-r--r--coreutils/seq.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/coreutils/seq.c b/coreutils/seq.c
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+++ b/coreutils/seq.c
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+/* vi: set sw=4 ts=4: */
+/*
+ * seq implementation for busybox
+ *
+ * Copyright (C) 2004, Glenn McGrath
+ *
+ * Licensed under the GPL v2, see the file LICENSE in this tarball.
+ */
+
+#include "libbb.h"
+
+/* This is a NOFORK applet. Be very careful! */
+
+
+int seq_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int seq_main(int argc, char **argv)
+{
+ double last, increment, i;
+
+ i = increment = 1;
+ switch (argc) {
+ case 4:
+ increment = atof(argv[2]);
+ case 3:
+ i = atof(argv[1]);
+ case 2:
+ last = atof(argv[argc-1]);
+ break;
+ default:
+ bb_show_usage();
+ }
+
+ /* 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);
+ i += increment;
+ }
+
+ return fflush(stdout);
+}