when to use -ne and when to use !=

08-12-2009

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when to use -ne and when to use !=

Hi guys,
Its a simple question in if loop when shouid i use -ne and when should i use !=
please explain.

thanks,
ram.

ramky79

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In BASH:

-ne Integer comparison
!= String comparison

Other Comparison Operators

mglenney

08-13-2009

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Nowadays the '-ne" form of binary arithmetic operator is generally regarded as depricated.

Code:

#!/usr/local/bin/bash

if [[ 4 != 5 ]]
then
   echo "true"
fi
if [[ 4 -ne 5 ]]
then
   echo "true"
fi

fpmurphy

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