string comparison bug of bash on Ubuntu 9.04 i386

[trulyliu]

Ubuntu 9.04 \n \l

qingchengl at T61:/tmp$ uname -a
Linux T61 2.6.28-15-generic #48-Ubuntu SMP Wed Jul 29 08:54:56 UTC 2009 i686
GNU/Linux
qingchengl at T61:/tmp$ bash --version
GNU bash, version 3.2.48(1)-release (i486-pc-linux-gnu)
Copyright (C) 2007 Free Software Foundation, Inc.


qingchengl at T61:/tmp$ cat run.sh
#!/bin/bash

echo "Input filename: $1"

BOUNDARY='-----------------------------=.3943144700514'

if [ ! -f $1 ]; then
echo "File $1 doesn't exist"
fi

echo "${BOUNDARY}"

while read line
do
echo "${line}"
# this string comparison never return true, I have tried double bracket and
double =
# This script run normally on Debian 4.01
if [ "${line}" = "${BOUNDARY}" ]; then
echo "found start boundary"
fi

done < $1


qingchengl at T61:/tmp$ cat ipfile
-----------------------------=.3943144700511
-----------------------------=.3943144700512
-----------------------------=.3943144700513
-----------------------------=.3943144700514

qingchengl at T61:/tmp$ ./extract.sh ./ipfile
Input filename: ./ipfile
-----------------------------=.3943144700514
-----------------------------=.3943144700511
-----------------------------=.3943144700512
-----------------------------=.3943144700513
-----------------------------=.3943144700514




-- 
trulyliu at gmail.com

-- 
trulyliu at gmail.com
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