Difference between revisions of "-z"

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[ -z $1 ] && { [[usage]]; }
+
<code>[ -z $1 ] && { [[usage]]; }</code>
  
  

Revision as of 03:23, 3 March 2022

[ -z $1 ] && { usage; }


Related

function usage() {
    echo "Usage:" $(basename $0) Explain options here"
    exit 0
}

See also

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