linux shell script if z的相關公司資訊
In bash is if [ -z

In bash is if [ -z "$1" ] and if - Unix & Linux - Stack Exchange

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日期:2026-04-23
7 Nov 2010 ... What is the difference between if [ -z "$1" ]. and if [ "$1" = "" ]. or are they the same ? I have found my self writing the second one in some scripts, ......看更多