Difference between revisions of "-z"
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− | <code>[ -z $1 ] && { [[usage]]; }</code> | + | |
+ | <nowiki>[[ -z $1 ]] && { [[usage]]; }</nowiki> | ||
+ | <code>[ -z $1 ] && { [[usage]]; }</code> | ||
== Related == | == Related == | ||
function [[usage]]() { | function [[usage]]() { | ||
− | echo "Usage: | + | echo "Usage: $(basename $0) Explain options here" |
[[exit 0]] | [[exit 0]] | ||
} | } | ||
+ | |||
+ | |||
+ | * [[If]] | ||
+ | * [[binary operator expected]] | ||
+ | * [[Square bracket]] | ||
+ | * [[Single bracket]] | ||
+ | * [[Double bracket]] | ||
== See also == | == See also == |
Latest revision as of 10:28, 3 September 2022
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