$calias » History » Version 5
Per Amundsen, 07/23/2017 10:24 PM
1 | 1 | Per Amundsen | _Added in 2.4_ |
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2 | |||
3 | *$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 | 3 | Per Amundsen | Returns the Nth alias in the scripting stack. |
30 | 2 | Per Amundsen | |
31 | *Parameters* |
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32 | |||
33 | 3 | Per Amundsen | N - The Nth alias. |
34 | 2 | Per Amundsen | |
35 | *Properties* |
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36 | |||
37 | 3 | Per Amundsen | .alias - Returns the name of the alias. |
38 | 4 | Per Amundsen | .fname - Returns the filename of the script calling the alias. |
39 | .line - Returns the line in the script calling the alias. |
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40 | 2 | Per Amundsen | .isid - Returns [[$true]] if the alias was called as a identifier, otherwise [[$false]]. |
41 | |||
42 | *Example* |
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43 | |||
44 | <pre> |
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45 | alias alias1 { |
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46 | alias2 |
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47 | } |
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48 | |||
49 | alias alias2 { |
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50 | noop $alias3 |
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51 | } |
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52 | |||
53 | alias alias3 { |
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54 | var %s 0 |
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55 | while (%s < $calias(0)) { |
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56 | inc %s |
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57 | 5 | Per Amundsen | linesep |
58 | |||
59 | var %alias $calias(%s).alias |
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60 | echo -ag alias = %alias |
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61 | echo -ag calling filename = $calias(%s).fname |
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62 | echo -ag caling line = $calias(%s).line |
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63 | 1 | Per Amundsen | echo -ag isid = $calias(%s).isid |
64 | 5 | Per Amundsen | |
65 | if ($isalias(%alias)) { |
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66 | echo -ag alias filename = $isalias(%alias).fname |
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67 | echo -ag alias line = $isalias(%alias).fline |
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68 | echo -ag alias type = $isalias(%alias).ftype |
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69 | } |
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70 | |||
71 | linesep |
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72 | 2 | Per Amundsen | } |
73 | } |
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74 | </pre> |