71 lines
2.5 KiB
Bash
71 lines
2.5 KiB
Bash
#!/bin/sh
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################################################################################
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## ##
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## Copyright (c) International Business Machines Corp., 2005 ##
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## ##
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## This program is free software; you can redistribute it and#or modify ##
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## it under the terms of the GNU General Public License as published by ##
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## the Free Software Foundation; either version 2 of the License, or ##
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## (at your option) any later version. ##
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## ##
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## This program is distributed in the hope that it will be useful, but ##
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## WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ##
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## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ##
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## for more details. ##
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## ##
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## You should have received a copy of the GNU General Public License ##
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## along with this program; if not, write to the Free Software ##
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## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ##
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## ##
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## ##
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################################################################################
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#
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# File:
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# create_file
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#
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# Description:
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# Create a file in the specified size
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#
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# Arguments:
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# $1: filename
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# $2: filesize
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#
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# Returns:
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# 0: Success
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# 1: Fail
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#
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# Author:
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# Mitsuru Chinen <mitch@jp.ibm.com>
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#
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# History:
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# Oct 19 2005 - Created (Mitsuru Chinen)
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#
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#-----------------------------------------------------------------------
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#Uncomment line below for debug output.
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#trace_logic=${trace_logic:-"set -x"}
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$trace_logic
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# Check argument
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if [ $# -ne 2 ] ; then
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echo "Usage: create_file filename filesize" >&2
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exit 1
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fi
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filename=$1
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filesize=$2
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if [ $filesize -le 0 ]; then
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echo "The filesize should be bigger than 0" >&2
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exit 1
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fi
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echo -n "A" > $filename 2>/dev/null
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echo -n "Z" | dd of=$filename bs=1 seek=`expr $filesize - 1` >/dev/null 2>&1
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if [ $? -ne 0 ]; then
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echo "Failed to create $filename" >&2
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exit 1
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fi
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chmod 644 $filename
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exit 0
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