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Help with Script: If diff between files is nothing then set a variable

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# 1  
Old 11-18-2008
Help with Script: If diff between files is nothing then set a variable
how about a script that compares 2 files using diff (or similar) and if they are then same then set a variable, v1=int else v1=0.

thanks
# 2  
Old 11-18-2008
Use diff exit code
Code:
diff file1 file2 > /dev/null
v1=$?
echo $v1

# 3  
Old 11-18-2008
thanks this is very useful for what i want to do Smilie
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