diff --git a/CHEATSHEET.md b/CHEATSHEET.md index 72c4fba..2715af2 100644 --- a/CHEATSHEET.md +++ b/CHEATSHEET.md @@ -24,18 +24,12 @@ are syntax that add quotation marks around `key`, so you call them without the q `key`. The returned value of `$` is a string, or an empty string on failure. ($ KEY) -> "VAL" - (Q KEY) -> "\"VAL\"" ($ key [transformer]) 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. @@ -100,7 +94,7 @@ a target file, based on the filename extensions. - strings - procedures that return strings - `%makevar` hash-table references - - special variables + - automatic variables - anything whose string representation as created by (format #f "~A" ...) make sense @@ -113,9 +107,9 @@ a target file, based on the filename extensions. (~@ ...) doesn't print recipe to console (~+ ...) runs even when `--no-execute` was chosen -## Special Variables +## Automatic Variables - Recipes can contain the following special variables + Recipes can contain the following automatic variables $@ the target $* the target w/o a filename suffix @@ -126,9 +120,3 @@ a target file, based on the filename extensions. as a single space-separated string $$? the prerequisites that are files newer than the target file as a scheme list of strings - - There are quoted variants to all the above, where each target - or prerequisite string is placed within double quotation marks, as might - be required for filenames or paths that contain spaces. - - Q@ Q* Q< Q^ QQ^ Q? QQ?