$calias » History » Version 9
Per Amundsen, 02/16/2023 09:18 PM
| 1 | 1 | Per Amundsen | _Added in 2.4_ |
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| 2 | |||
| 3 | *$calias* |
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| 4 | |||
| 5 | Returns the calling alias for the current script, |
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| 6 | |||
| 7 | <pre> |
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| 8 | alias test1 { |
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| 9 | echo -ag Calling alias is $calias |
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| 10 | noop $test2 |
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| 11 | } |
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| 12 | |||
| 13 | alias test2 { |
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| 14 | echo -ag Calling alias is still $calias |
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| 15 | noop $test3 |
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| 16 | } |
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| 17 | |||
| 18 | alias test3 { |
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| 19 | echo -ag Calling alias is still $calias |
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| 20 | } |
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| 21 | </pre> |
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| 22 | 2 | Per Amundsen | |
| 23 | --- |
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| 24 | |||
| 25 | _Added in 2.7_ |
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| 26 | |||
| 27 | *$calias(N)* |
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| 28 | |||
| 29 | 6 | Per Amundsen | Returns the Nth calling alias in the scripting stack. |
| 30 | 2 | Per Amundsen | |
| 31 | *Parameters* |
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| 32 | |||
| 33 | 9 | Per Amundsen | table(ktable). |
| 34 | |*Parameter*|*Description*| |
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| 35 | | N | If N = 0, number of aliases in the stack, otherwise the Nth calling alias. | |
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| 36 | 1 | Per Amundsen | |
| 37 | *Properties* |
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| 38 | |||
| 39 | 9 | Per Amundsen | table(ktable). |
| 40 | |*Property*|*Description*| |
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| 41 | | .alias | Returns the name of the alias. | |
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| 42 | | .fname | Returns the filename of the script calling the alias. | |
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| 43 | | .line | Returns the line number in the script calling the alias. | |
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| 44 | | .isid | Returns [[$true]] if the alias was called as a identifier, otherwise [[$false]]. | |
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| 45 | 2 | Per Amundsen | |
| 46 | *Example* |
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| 47 | |||
| 48 | <pre> |
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| 49 | alias alias1 { |
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| 50 | alias2 |
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| 51 | } |
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| 52 | |||
| 53 | alias alias2 { |
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| 54 | noop $alias3 |
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| 55 | } |
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| 56 | |||
| 57 | alias alias3 { |
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| 58 | var %s 0 |
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| 59 | while (%s < $calias(0)) { |
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| 60 | inc %s |
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| 61 | 5 | Per Amundsen | linesep |
| 62 | |||
| 63 | var %alias $calias(%s).alias |
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| 64 | echo -ag alias = %alias |
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| 65 | echo -ag calling filename = $calias(%s).fname |
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| 66 | echo -ag caling line = $calias(%s).line |
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| 67 | 1 | Per Amundsen | echo -ag isid = $calias(%s).isid |
| 68 | 5 | Per Amundsen | |
| 69 | if ($isalias(%alias)) { |
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| 70 | echo -ag alias filename = $isalias(%alias).fname |
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| 71 | echo -ag alias line = $isalias(%alias).fline |
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| 72 | echo -ag alias type = $isalias(%alias).ftype |
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| 73 | } |
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| 74 | |||
| 75 | linesep |
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| 76 | 2 | Per Amundsen | } |
| 77 | } |
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| 78 | </pre> |