If statement - How to write a null statement - Shell Programming and Scripting

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If statement - How to write a null statement

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#2 (permalink)

04-16-2008

aigles

Registered User

Join Date: Apr 2004

Location: Bordeaux, France

Posts: 1,433

Code:

if (( "$x"="1" && "$y"="a" && "$z"="happy" ))
then
   :
else
   command
   command
fi

Another way, invert your test :

Code:

if (( "$x"!="1" || "$y"!="a" || "$z"!="happy" ))
then
   command
   command
fi

Jean-Pierre.