1 2 Printing dollar from literals and variables 3 4 To survive the parser, a dollar sign must be doubled. 5 1 dollar literal => <single-quote-var-value> 6 1 dollar literal eol => <> 7 2 dollar literal => <$> 8 4 dollar literal => <$$> 9 Some hungry part of make eats all the dollars after a :U modifier. 10 1 dollar default => <> 11 2 dollar default => <> 12 4 dollar default => <> 13 This works as expected. 14 1 dollar variable => <> 15 2 dollar variable => <$> 16 4 dollar variable => <$$> 17 Some hungry part of make eats all the dollars after a :U modifier. 18 1 dollar var-default => <> 19 2 dollar var-default => <$> 20 4 dollar var-default => <$$> 21 22 Dollar in :S pattern 23 24 S,$,word, => <$XYword> 25 S,$X,word, => <$XY> 26 S,$$X,word, => <$XY> 27 S,$$$X,word, => <$XY> 28 S,$X,replaced, => <replaced> 29 S,$$X,replaced, => <replaced> 30 S,$$$X,replaced, => <replaced> 31 32 Dollar in :C character class 33 34 The A is replaced because the $$ is reduced to a single $, 35 which is then resolved to the variable X with the value VAR_X. 36 The effective character class becomes [VAR_XY]. 37 C,[$$XY],<&>,g => <$<A><X><Y>> 38 39 Dollar in :C pattern 40 41 For some reason, multiple dollars are folded into one. 42 C,$,dollar,g => <> 43 C,$$,dollar,g => <> 44 45 Dollar in :S replacement 46 47 For some reason, multiple dollars are folded into one. 48 S,word,a$Xo, => <aVAR_Xo> 49 S,word,a$$Xo, => <aVAR_Xo> 50 S,word,a$$$Xo, => <aVAR_Xo> 51 exit status 0 52
Indexes created Wed Sep 24 14:09:57 GMT 2025