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#!/usr/bin/env ruby
# plusminus, Copyright © 2004 by Mathieu Bouchard
# this program makes stats about a unified diff (diff -u) output.
# for example, run this command: cvs diff -u | ./plusminus
# NOTE: the -u option is required! (you can put it in ~/.cvsrc)
puts "-"*64
$plustot=0
$minustot=0
def show
printf "%20s %+5d %+5d (net %+5d)\n", $file, $plus, -$minus, $plus-$minus
end
loop{
line = gets
break if not line
if /^diff/.match line then
x = line.split(/\s+/)
$plustot+=$plus if $plus
$minustot+=$minus if $minus
show if $file
$file = x[-1]
$on=false
$plus=0
$minus=0
elsif /^\@\@/ =~ line then $on=true
elsif $on and /^\+/ =~ line then $plus+=1
elsif $on and /^\-/ =~ line then $minus+=1
end
}
$plustot+=$plus if $plus
$minustot+=$minus if $minus
show if $file
$file="total"
$plus=$plustot
$minus=$minustot
puts "-"*64
show
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