Search
 
SCRIPT & CODE EXAMPLE
 
CODE EXAMPLE FOR SHELL

check if bash variable is undefined

if test -z "$var" 
then
      echo "$var is empty"
else
      echo "$var is NOT empty"
fi
Source by www.cyberciti.biz #
 
PREVIOUS NEXT
Tagged: #check #bash #variable #undefined
ADD COMMENT
Topic
Name
6+3 =