19 lines
437 B
Raku
Executable file
19 lines
437 B
Raku
Executable file
#!/usr/bin/env raku
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#| convert arguments or stdin to fullwidth characters
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unit sub MAIN(*@args);
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sub widen(Str $str) {
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my %map = (['!'..'~'] Z ['!'..'~']).Map, ' ' => ' ';
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my @rejects = $str.comb.grep: {$^x !~~ /\s/ && $^x ∉ %map};
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note "unknown characters: @rejects.join(', ')" if @rejects;
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$str.trans: %map
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}
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if @args > 0 {
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say widen @args.join: ' '
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} else {
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say widen $_ for $*IN.lines
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}
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# vim: set ft=perl6 :
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