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$calias » History » Version 7

Per Amundsen, 02/03/2020 11:47 PM

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_Added in 2.4_
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*$calias*
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Returns the calling alias for the current script,
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<pre>
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alias test1 {
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  echo -ag Calling alias is $calias
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  noop $test2
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}
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alias test2 {
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  echo -ag Calling alias is still $calias
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  noop $test3
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}
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alias test3 {
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  echo -ag Calling alias is still $calias
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}
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</pre>
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---
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_Added in 2.7_
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*$calias(N)*
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Returns the Nth calling alias in the scripting stack.
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*Parameters*
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N - The Nth calling alias.
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*Properties*
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.alias - Returns the name of the alias.
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.fname - Returns the filename of the script calling the alias.
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.line - Returns the line number in the script calling the alias.
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.isid - Returns [[$true]] if the alias was called as a identifier, otherwise [[$false]].
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*Example*
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<pre>
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alias alias1 {
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  alias2
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}
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alias alias2 {
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  noop $alias3
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}
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alias alias3 {
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  var %s 0
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  while (%s < $calias(0)) {
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    inc %s
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    linesep
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    var %alias $calias(%s).alias
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    echo -ag alias = %alias
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    echo -ag calling filename = $calias(%s).fname
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    echo -ag caling line = $calias(%s).line
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    echo -ag isid = $calias(%s).isid
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    if ($isalias(%alias)) {
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      echo -ag alias filename = $isalias(%alias).fname
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      echo -ag alias line = $isalias(%alias).fline
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      echo -ag alias type = $isalias(%alias).ftype
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    }
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    linesep
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  }
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}
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</pre>