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shell if "-z" Code Example
if -z in bash 
The -z flag causes test to check whether a string is empty. 
Returns true if the string is empty, false if it contains something.
shell if "-z" 
# Returns true if string empty.
# E.G: file.txt does not exist

EXISTS=$(cat file.txt 2> /dev/null)

if [ -z "${EXISTS}" ]; then
	echo "Does not exist"
else
    echo "Exist!"
fi

# Output: 
# Does not exist



Shell

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Type:
 Code Example
Category:
 Coding
Sub Category:
 Code Example
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