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Forum: Shell Programming and Scripting 01-27-2009

if [ -z echo foo | egrep -e 'regexp' != '' ] -> dont work

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if [ -z echo foo | egrep -e 'regexp' != '' ] -> dont work

Hallo,

I need to test a String (a special ip number-string).

So I want to run that:

ipadress=172.0.0.0

# for debugging:
echo $ipadress | egrep -e...

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