<pikhq> ` cat >src/pikhqbow.c <<<$\'#include <stdio.h>\\n#include <wchar.h>\\n#include <locale.h>\\n\'\'int main(){wint_t c;int a=0;setlocale(LC_ALL,"C.UTF-8");b:c=fgetwc(stdin);if(c==EOF) return 0;printf("\\x03%d%lc%s",(int[]){4,8,9,11,12,13}[a],c,c==L\'\\\'\',\'\\\'\'?"\\x0f":"",c);if(a++==6)a=0;goto b;}\'

#!/bin/sh
count () {
    hg log --template '{desc}\n' |
    egrep '<[^]]*> karma\'$1 |
    fgrep -vix "<$2> karma$1 $2" |
    cut -d' ' -f3 |
    fgrep -cix "$2"
}
plus=$(count + "$1")
minus=$(count - "$1")
echo $(($plus-$minus))