diff options
| -rw-r--r-- | coreutils/Config.in | 6 | ||||
| -rw-r--r-- | coreutils/Makefile.in | 1 | ||||
| -rw-r--r-- | coreutils/seq.c | 44 | ||||
| -rw-r--r-- | include/applets.h | 4 | ||||
| -rw-r--r-- | include/usage.h | 10 |
5 files changed, 64 insertions, 1 deletions
diff --git a/coreutils/Config.in b/coreutils/Config.in index 3fde04053..fb6366c9f 100644 --- a/coreutils/Config.in +++ b/coreutils/Config.in @@ -367,6 +367,12 @@ config CONFIG_RMDIR help rmdir is used to remove empty directories. +config CONFIG_SEQ + bool "seq" + default n + help + print a sequence of numbers + config CONFIG_SHA1SUM bool "sha1sum" default n diff --git a/coreutils/Makefile.in b/coreutils/Makefile.in index 54d3550fc..6c2547648 100644 --- a/coreutils/Makefile.in +++ b/coreutils/Makefile.in @@ -63,6 +63,7 @@ COREUTILS-$(CONFIG_PWD) += pwd.o COREUTILS-$(CONFIG_REALPATH) += realpath.o COREUTILS-$(CONFIG_RM) += rm.o COREUTILS-$(CONFIG_RMDIR) += rmdir.o +COREUTILS-$(CONFIG_SEQ) += seq.o COREUTILS-$(CONFIG_SHA1SUM) += md5_sha1_sum.o COREUTILS-$(CONFIG_SLEEP) += sleep.o COREUTILS-$(CONFIG_SORT) += sort.o diff --git a/coreutils/seq.c b/coreutils/seq.c new file mode 100644 index 000000000..8401a6def --- /dev/null +++ b/coreutils/seq.c @@ -0,0 +1,44 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Library General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include <stdio.h> +#include <stdlib.h> +#include "busybox.h" + +extern int seq_main(int argc, char **argv) +{ + double last; + double first = 1; + double increment = 1; + double i; + + if (argc == 4) { + first = atof(argv[1]); + increment = atof(argv[2]); + } + else if (argc == 3) { + first = atof(argv[1]); + } + else if (argc != 2) { + bb_show_usage(); + } + last = atof(argv[argc - 1]); + + for (i = first; ((first < last) ? (i <= last): (i >= last));i += increment) { + printf("%g\n", i); + } + + return(EXIT_SUCCESS); +} diff --git a/include/applets.h b/include/applets.h index e348516ea..f3b5f3d1c 100644 --- a/include/applets.h +++ b/include/applets.h @@ -508,6 +508,9 @@ #ifdef CONFIG_SED APPLET(sed, sed_main, _BB_DIR_BIN, _BB_SUID_NEVER) #endif +#ifdef CONFIG_SEQ + APPLET(seq, seq_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER) +#endif #ifdef CONFIG_SETKEYCODES APPLET(setkeycodes, setkeycodes_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER) #endif @@ -682,4 +685,3 @@ }; #endif - diff --git a/include/usage.h b/include/usage.h index f4897e4c0..bc6655e38 100644 --- a/include/usage.h +++ b/include/usage.h @@ -2094,6 +2094,16 @@ "$ echo "foo" | sed -e 's/f[a-zA-Z]o/bar/g'\n" \ "bar\n" +#define seq_trivial_usage \ + "[first [increment]] last" +#define seq_full_usage \ + "Print numbers from FIRST to LAST, in steps of INCREMENT.\n" \ + "FIRST, INCREMENT default to 1\n" \ + "Arguments:\n" \ + "\tLAST\n" \ + "\tFIRST\tLAST\n" \ + "\tFIRST\tINCREMENT\tLAST\n" + #define setkeycodes_trivial_usage \ "SCANCODE KEYCODE ..." #define setkeycodes_full_usage \ |