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Add quote version of $ to cheatsheet.

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Mike Gran 2021-02-10 10:34:35 -08:00 committed by GitHub
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CHEATSHEET.md
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@ -26,9 +26,15 @@ are syntax that add quotation marks around `key`, so you call them without the q
($ KEY) -> "VAL"
($ key [transformer])
Look up `key` in the `%makevars` hash table and return the result.
Look up `key` in the `%makevars` hash table and return the result
as a string. If `key` is not found, return an empty string.
If a string-to-string transformer procedure is provided, apply it to each
space-separated token in the result.
(Q key [transformer])
Like `$` above, except the returned value string has double quotation marks around
each space-separated token. If transformer is supplied, the quotation
marks are added after the transformer is applied to each space-separated
token.
(?= key val)
Assign `val` to `key` in the `%makevars` hash table. If `val` is a procedure,
assign its output to `key` the first time that `key` is referenced.