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check if bash variable is undefined Code Example
check if bash variable is undefined 
if test -z "$var" 
then
      echo "\$var is empty"
else
      echo "\$var is NOT empty"
fi
Source: www.cyberciti.biz



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Type:
 Code Example
Category:
 Coding
Sub Category:
 Code Example
Uploaded by:
 Admin
Views:
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Horje