Difference between revisions of "-z"

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  [ -z $1 ] && { [[usage]]; }
 
  [ -z $1 ] && { [[usage]]; }
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 +
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== Related
 +
function [[usage]]() {
 +
    echo "Usage:" $(basename $0) Explain options here"
 +
    [[exit 0]]
 +
}
  
 
== See also ==
 
== See also ==
 
* {{if}}
 
* {{if}}

Revision as of 14:54, 13 November 2021

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


== Related 

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

See also

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