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February 16, 2013 13:41
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Analysing keyboard layouts Prints out stdin in the manner of the scan on http://infohost.nmt.edu/~shipman/ergo/parkinson.html
Summarises transitions between left and right hand
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| #!/usr/bin/perl | |
| # | |
| # Prints out stdin in the manner of the scan on http://infohost.nmt.edu/~shipman/ergo/parkinson.html | |
| # Summarises transitions between left and right hand | |
| # | |
| $input = `cat`; | |
| # Qwerty | |
| $l = "`¬1!2\"3£4\$5%6^qQwWeErRtTaAsSdDfFgG\\|zZxXcCvVbB"; | |
| $r = "7&8*9(0)-_=+yYuUiIoOpP[{]}hHjJkKlL;:'@#~nNmM,<.>/?"; | |
| print STDERR "Qwerty: "; | |
| count_transitions($l, $r, $input); | |
| # Colemak | |
| $l = "`¬1!2\"3£4\$5%6^qQwWfFpPgGaArRsStTdD\\|zZxXcCvVbB"; | |
| $r = "7&8*9(0)-_=+jJlLuUyY;:[{]}hHnNeEiIoOuU#~kKmM,<.>/?"; | |
| print STDERR "Colemak: "; | |
| count_transitions($l, $r, $input); | |
| # Dvorak | |
| $l = "`¬1!2\"3£4\$5%6^@',<.>pPyYaAoOeEuUiI\\|;:qQjJkKxX"; | |
| $r = "7&8*9(0)[{]}fFgGcCrRlL/?=+dDhHtTnNsS-_#~bBmMwWvVzZ"; | |
| print STDERR "Dvorak: "; | |
| count_transitions($l, $r, $input); | |
| sub count_transitions { | |
| my ($l, $r, $input) = @_; | |
| @lhs = split(//, $l); | |
| @rhs = split(//, $r); | |
| $transitions = 0; | |
| $left = 0; | |
| $i = 0; | |
| foreach (split //, $input) { | |
| foreach $x (split (//, $_)) { | |
| if ( $x ~~ @lhs) { | |
| print "\e[7m$x\e[m"; | |
| $transitions++ unless $left; | |
| $left = 1; | |
| } | |
| elsif ($x ~~ @rhs) { | |
| print "$x"; | |
| $transitions++ if $left; | |
| $left = 0; | |
| } | |
| else { | |
| print $x; | |
| } | |
| $i++; | |
| print "$i\n" unless ($i % 1000000); | |
| } | |
| } | |
| print STDERR "$transitions transitions\n"; | |
| } |
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