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#!/usr/bin/perl |
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$integer = '[+-]?[0-9]+'; |
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$real = '[+-]?[0-9]+\.[0-9]+'; |
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|
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$RANGE = '(\.\.)(\.)?'; |
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$PLUMIN = q(\'\+\-\'); |
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$FLOAT = "(($integer)|($real))([eE]($integer))?"; |
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$EXTENSION = '<|>|~'; |
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|
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$boundary = "($EXTENSION)?$FLOAT"; |
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$deviation = $FLOAT; |
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|
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$rule_1 = $boundary . $PLUMIN . $deviation; |
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$rule_2 = $boundary . $RANGE . $boundary; |
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$rule_3 = $boundary . $RANGE; |
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$rule_4 = $RANGE . $boundary; |
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$rule_5 = $boundary; |
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|
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|
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print "$rule_5\n"; |
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while (<>) { |
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# s/ +//g; |
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if ( /^($rule_1)$/ ) { |
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print; |
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} |
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elsif ( /^($rule_2)$/ ) { |
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print; |
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} |
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elsif ( /^($rule_3)$/ ) { |
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print; |
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} |
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elsif ( /^($rule_4)$/ ) { |
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print; |
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} |
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elsif ( /^($rule_5)$/ ) { |
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print; |
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} |
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else { |
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print STDERR "error in $_\n"; |
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} |
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|
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} |