crpl:docs:refexists
Differences
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| crpl:docs:refexists [2013/01/14 18:39] – created virgilw | crpl:docs:refexists [2025/02/14 14:57] (current) – external edit 127.0.0.1 | ||
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| - | TODO | + | |
| + | <- [[crpl: | ||
| + | |||
| + | ===== -?! ===== | ||
| + | |||
| + | ^Arguments^Result^Notation^ | ||
| + | | |0 or 1 depending on if variable exists |%%s1 -- b1 %%| | ||
| + | |||
| + | |||
| + | === Description === | ||
| + | Takes a string from the stack and uses it as a variable name. | ||
| + | Checks to see if the variable exists (has been assigned). | ||
| + | If so, 1 is pushed to the stack else 0. | ||
| + | === Examples === | ||
| + | < | ||
| + | # Build a string by concatenating " | ||
| + | " | ||
| + | -?! trace | ||
| + | </ | ||
| + | |||
crpl/docs/refexists.1358188774.txt.gz · Last modified: 2025/02/14 14:56 (external edit)
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