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| ugexe | coleman: i think rakudo.org is still down. i notice because my github actions are all failing due to a timeout | 01:42 | |
| coleman | you're right, it went down again. i'm going to poke it | 01:45 | |
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| Geth | raku.org: librasteve++ created pull request #297: Merge recent changes to main to dev |
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| david7832 | Is there a way to use lines() together with its $number argument within a feedforward chain? Sonething like $string ==> lines(5) to get the first 5 lines (which fails because the only relevant signature of &lines is ($what, $number), i.e. there's no signature where $what comes last) | 20:09 | |
| antononcube | You can do this: slurp('./jupyter.log') ==> { .lines }() ==> { .head(5) }() | 20:17 | |
| Using andthen is another option. | 20:19 | ||
| Maybe this is what you are looking for: './jupyter.log'.IO ==> { .lines(5) }() | 20:20 | ||
| So, there is a sub &lines and a method .lines. The latter has the number of lines (or limit) as a first argument. | 20:23 | ||
| david7832 | Thank you. The solution with { .lines(5) }() or andthen could be exactly what I'm looking for | ||
| antononcube | Here is a corresponding andthen : './jupyter.log' andthen .IO andthen .lines(5) | 20:25 | |
| david7832 | seems I could also use it like: $string andthen lines($_, 5) | ||
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| david7832 | Are there any inbuilt sets of Unicode characters (like those available for regexes) that one can use to do things like looking which potentially-problematic characters occur in a given string? | 22:12 | |
| My current way of doing this is: $str.comb.Set (-) Set('A'..'Z', 'a'..'z', '0'..'9',' ', <ü Ü ä Ä ö Ö ß ẞ ! ? - ( ) ° " ' : . , ; [ ] />) but surely there is something better at least for the letters and digits? | |||
| timo | are you thinking of Confusables? | 22:14 | |
| david7832 | no, mostly about ones that could cause trouble with shell or json interpolation. But Confusables might be another usecase | 22:15 | |
| actually it's mostly targetting towards debugging | 22:16 | ||
| timo | input sanitisation is a field with a long and proud tradition :) | ||
| david7832 | we all know and love little Bobby Tables | 22:17 | |
| timo | m: sub addslashes(Str(Cool) $string is copy) { #`( github.com/sugar700/perl6-Acme-Add...slashes.pm ) $string ~~ s:g/(.)/$0\c[COMBINING LONG SOLIDUS OVERLAY]/; $string }; say addslashes(Q["Robert'); DROP TABLE Students;--"]); | 22:18 | |
| camelia | "̸R̸o̸b̸e̸r̸t̸'̸)̸;̸ ̸D̸R̸O̸P̸ ̸T̸A̸B̸L̸E̸ ̸S̸t̸u̸d̸e̸n̸t̸s̸;̸-̸-̸"̸ | ||
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