Comparing files and capture return code

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# 1  
Old 09-28-2011
Hammer & Screwdriver Comparing files and capture return code


I would like to compare 2 files, and have a return code write to a file.
regardless of the files contents are the same the code should be writing to a file (if both files contents are same then return code 0).
A simple example will be great Smilie

# 2  
Old 09-28-2011
using echo $? .. you get status
# 3  
Old 09-28-2011
Hi, I have below code:


CHKTEST=`cd /tmp;ls test1.log> /dev/null 2>&1`
echo $?

When i ran ./, I always completed with 1 although I have test1.log in /tmp.

Any advice will great appreciate.
# 4  
Old 09-28-2011
if you want to check the existence of the file. then you can try the below

[ -f /tmp/test1.log ] && echo "File exist" || echo "File not exist"

ls /tmp/test1.log> /dev/null 2>&1
[ "$?" -eq "0" ] && echo "File exist" || echo "File not exist"

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