Script for scraping dict.cc for conjugations

konj.sh

#!/bin/sh

p=$2;
t=$3;
word=$1;

case "$2" in 
  'ich')
    p=1
    ;;
  'du')
    p=2
    ;;
  'er')
    p=2
    ;;
  'sie')
    p=2
    ;;
  'es')
    p=2
    ;;
  'wir')
    p=3
    ;;
  'ihr')
    p=4
    ;;
  'Sie')
    p=5
    ;;
  'all')
    p='all'
    ;;
  *)
    p=-1
    ;;
esac

case "$3" in
  'present')
    t=1
    ;;
  'praesens')
    t=1;
    ;;
  'präsens')
    t=1;
    ;;
  'imperfekt')
    t=2;
    ;;
  'konjunctivI')
    t=3;
    ;;
  'konjunctivII')
    t=4;
    ;;
  *)
    p=-1
    ;;
esac

[ $p == -1 ] && [ $t == -1 ] && exit 1

curl http://www.dict.cc/deutsch/${word}.html 2>/dev/null | 
  xmllint --html - 2>/dev/null | 
  awk "
    /BEGIN/ { inVerbs = 0; person = 0; tense = 0 }
    /Konjugation des Verbs/ { inVerbs = 1; person = -1 }
    /^<tr/ { 
      if (inVerbs) {
        person++;
        tense = -1;
      }
    }
    /^<td/ {
      if (person > 0)  
        tense++;
    }
    /<\/table>/ { 
      if (inVerbs) 
        inVerbs = 0;

    }
    inVerbs && ($p == all || $p == person) && $t == tense { print }
  " |
  sed 's/<[^<]*>//g;/^$/d'