bash "-z" flag

RicHincapie answered on July 23, 2022 Popularity 8/10 Helpfulness 2/10

answer bash "-z" flag

related bash -s flag

Comment

# -z flag returns true if NULL or uninitialized variable

if [ -z "$NULLVAR" ]; then
	echo "Not initialized"
else
	echo "Exists"
fi
# Not initialized

Popularity 8/10 Helpfulness 2/10 Language shell

Source: Grepper

Tags: bash shell

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Contributed on Nov 08 2022

RicHincapie

0 Answers Avg Quality 2/10

Closely Related Answers

Comment

#use -s flag with ln command to create symbolic links in linux
sudo ln -s "path/to/actual/file" my_sym_link.txt

Popularity 9/10 Helpfulness 1/10 Language shell

Source: Grepper

Tags: shell bash sh

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Contributed on Jul 23 2022

coder_king

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