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submitted 9 months ago by yogthos@lemmy.ml to c/programmerhumor@lemmy.ml

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[-] balsoft@lemmy.ml 10 points 9 months ago* (last edited 9 months ago)

Why -z? I have no idea.

From man test (note that [ <expr> ] is just sugar for test <expr>):

       -n STRING
              the length of STRING is nonzero

       -z STRING
              the length of STRING is zero

So, -z stands for Zero.

Hope this helps you remember it!

this post was submitted on 05 Mar 2025

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