Revisions to How to determine if a bash variable is empty?

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edited Jul 31, 2022 at 14:58

bash scripting variables

some syntax

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What is the best way to determine if a variable in bash contains ""is empty ("")?

I have heard that it is recommended that I do if [ "x$variable" = "x" ]

Is that the correct way? (there must be something more straightforward)

What is the best way to determine if a variable in bash contains ""?

I have heard it recommended that I do if [ "x$variable" = "x" ]

Is that the correct way? (there must be something more straightforward)

What is the best way to determine if a variable in bash is empty ("")?

I have heard that it is recommended that I do if [ "x$variable" = "x" ]

Is that the correct way? (there must be something more straightforward)

Tweeted twitter.com/#!/ServerFault/status/586084144305811456

occurred Apr 9, 2015 at 8:32

add code to code tag

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What is the best way to determine if a variable in bash contains ""?

I have heard it recommended that I do if [ "x$variable" = "x" ]if [ "x$variable" = "x" ]

Is that the correct way? (there must be something more straightforward)

What is the best way to determine if a variable in bash contains ""?

I have heard it recommended that I do if [ "x$variable" = "x" ]

Is that the correct way? (there must be something more straightforward)

What is the best way to determine if a variable in bash contains ""?

I have heard it recommended that I do if [ "x$variable" = "x" ]

Is that the correct way? (there must be something more straightforward)

Question Protected by Chris S

occurred Jul 22, 2013 at 17:13

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asked May 12, 2009 at 17:54

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