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Add basename command 

The basename command allows to set an environment variable with
the basename of a path.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2012-06-24 12:56:50 +02:00
parent a6e358b2f5
commit 814bc438ce
3 changed files with 55 additions and 0 deletions
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7
commands/Kconfig
View File

@ -198,6 +198,13 @@ config CMD_AUTOMOUNT
this directory available (discover USB devices, bring network interface this directory available (discover USB devices, bring network interface
up and finally mount the filesystem). up and finally mount the filesystem).
config CMD_BASENAME
tristate
prompt "basename"
help
Strip directory and suffix from filenames and store the result in a
environment variable
endmenu endmenu
menu "console " menu "console "

1
commands/Makefile
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@ -66,3 +66,4 @@ obj-$(CONFIG_CMD_IOMEM) += iomem.o
obj-$(CONFIG_CMD_LINUX_EXEC) += linux_exec.o obj-$(CONFIG_CMD_LINUX_EXEC) += linux_exec.o
obj-$(CONFIG_CMD_AUTOMOUNT) += automount.o obj-$(CONFIG_CMD_AUTOMOUNT) += automount.o
obj-$(CONFIG_CMD_GLOBAL) += global.o obj-$(CONFIG_CMD_GLOBAL) += global.o
obj-$(CONFIG_CMD_BASENAME) += basename.o

47
commands/basename.c Normal file
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@ -0,0 +1,47 @@
/*
* basename.c - strip directory and suffix from filenames
*
* Copyright (c) 2012 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* 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 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 <common.h>
#include <command.h>
#include <libgen.h>
#include <environment.h>
static int do_basename(int argc, char *argv[])
{
if (argc != 3)
return COMMAND_ERROR_USAGE;
setenv(argv[2], basename(argv[1]));
return 0;
}
BAREBOX_CMD_HELP_START(basename)
BAREBOX_CMD_HELP_USAGE("basename NAME BASENAME\n")
BAREBOX_CMD_HELP_SHORT("strip NAME and store into $BASENAME\n")
BAREBOX_CMD_HELP_END
BAREBOX_CMD_START(basename)
.cmd = do_basename,
.usage = "strip directory and suffix from filenames",
BAREBOX_CMD_HELP(cmd_basename_help)
BAREBOX_CMD_END