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Bash Scripting -z (bash shell script "if [ -z" ) | Noyep.Com
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日期:2024-08-03
Bash Shell scripting -z If statement in bash shell if used with –z option checks either null is returned or not by the variable check. –z option specifies the zero length output or data. You could use –z option in bash script in the similar way you use an...看更多