Probably easy to answer Bash question

helptonewbie · 08-31-2006, 04:48 PM

The simple thing of it is, i would like to do something like the following

Code:

#!/bin/bash
#for example

A=hello
B=hi
C=hey

if [ $A != `$B || $C` ]; then

I'm trying to get the statement to test that $A is not equal to Either $B or $C

soggycornflake · 08-31-2006, 05:01 PM

You need to compare each variable individually, i.e.

Code:

if [[ $A != $B && $A != $C ]]; then
        ....
fi

Note the double [[, this uses a different syntax to [. If you use [, then you need to use -a instead of &&.

With bash, you might also want to double quote the $variables if it's possible they could have spaces in them.

helptonewbie · 08-31-2006, 05:30 PM

nope no spaces and thanks very much.
Luv the name by the way
Soggycornflake
excellent