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shell cehck if string is null Code Example
shell cehck if string is null 
my_var="nixCraft"
if [ -z "$my_var" ]
then
      echo "\$my_var is NULL"
else
      echo "\$my_var is NOT NULL"
fi

// https://www.cyberciti.biz/faq/bash-shell-find-out-if-a-variable-has-null-value-or-not/



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Type:
 Code Example
Category:
 Coding
Sub Category:
 Code Example
Uploaded by:
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