a german fuzzyclock in shell

fuzzyclock_german.sh

#!/bin/bash

###################################################################################
# Copyright (c) 2009 Armin Widegreen <armin.widegreen@gmail.com>                  #
#                                                                                 #
# This program is free software; you can redistribute it and/or modify it under   # 
# the terms of the GNU General Public License as published by the Free Software   #
# Foundation, either version 3 of the License, or (at your option) any later      #
# version.                                                                        #
#                                                                                 #
# This program is distributed in the hope that it will be useful, but WITHOUT ANY #
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A #
# PARTICULAR PURPOSE. See the GNU General Public License for more details.        #
#                                                                                 #
# You should have received a copy of the GNU General Public License along with    #
# this program.  If not, see <http://www.gnu.org/licenses/>.                      #
###################################################################################

wordsExactly=( "genau" );
wordsMinute=( "eine" "zwei" "drei"  "vier" "fuenf" "sechs" "sieben" "acht" "\n" "neun" "zehn" "elf" "zwoelf" "dreizehn"
"vierzehn" "fuenfzehn" "\n" "sechszehn" "siebzehn" "achtzehn" "neunzehn" "zwanzig" "\n" "einundzwanzig" "zweiundzwanzig"
"dreiundzwanzig" "\n" "vierundzwanzig" "fuenfundzwanzig" "sechsundzwanzig" "\n" "siebenundzwanzig" "achtundzwanzig"
"neunundzwanzig" "\n" "dreissig" "minuten" );
wordsBeforAfter=( "vor" "nach" );
wordsHour=( "eins" "zwei" "drei" "vier" "\n" "fuenf" "sechs" "sieben" "acht" "neun" "zehn" "elf" "zwoelf" "\n" );

tmpHighlightWord=""

###############################################
### functions
###############################################
function getNameFromValue {
  # $1 should be an value between 1 and 30
  

  case "$1" in
	 00) result="null";;
	  0) result="null";;
	 01) result="eine";;
	  1) result="eins";;
	 02) result="zwei";;
	  2) result="zwei";;
	 03) result="drei";;
	  3) result="drei";;
	 04) result="vier";;
	  4) result="vier";;
	 05) result="fuenf";;
	  5) result="fuenf";;
	 06) result="sechs";;
	  6) result="sechs";;
	 07) result="sieben";;
	  7) result="sieben";;
	 08) result="acht";;
	  8) result="acht";;
	 09) result="neun";;
	  9) result="neun";;
	 10) result="zehn";;
	 11) result="elf";;
	 12) result="zwoelf";;
	 13) result="dreizehn";;
	 14) result="vierzehn";;
	 15) result="fuenfzehn";;
	 16) result="sechszehn";;
	 17) result="siebzehn";;
	 18) result="achtzehn";;
	 19) result="neunzehn";;
	 20) result="zwanzig";;
	 21) result="einundzwanzig";;
	 22) result="zweiundzwanzig";;
	 23) result="dreiundzwanzig";;
	 24) result="vierundzwanzig";;
	 25) result="fuenfundzwanzig";;
	 26) result="sechsundzwanig";;
	 27) result="siebenundzwanzig";;
	 28) result="achtundzwanzig";;
	 29) result="neunundzwanzig";;
	 30) result="dreissig";;
	  *) result="nischt!";;
  esac
  
  numAsString=$result
}

function highlightWord {
  tmpHighlightWord='\E[37;44m'"\033[1m${1}\033[0m"
}

function changeOutput {
  # $1 type: wordsExactly, wordsMinute, wordsHour, wordsBeforAfter
  # $2 value to change (string)
  if [ "$1" == "wordsExactly" ]; then
    numOfWords=${#wordsExactly[@]}
    for (( i=0;i<$numOfWords;i++)); do
      if [ "$2" ==  "${wordsExactly[${i}]}" ]; then
        highlightWord ${wordsExactly[${i}]}
         wordsExactly[${i}]=$tmpHighlightWord        
        break 
      fi
    done
  elif [ "$1" == "wordsMinute" ]; then
    numOfWords=${#wordsMinute[@]}
    for (( i=0;i<$numOfWords;i++)); do
      if [ "$2" ==  "${wordsMinute[${i}]}" -o "${wordsMinute[${i}]}" == "minuten" ]; then
        highlightWord ${wordsMinute[${i}]}
        wordsMinute[${i}]=$tmpHighlightWord
      fi
    done
  elif [ "$1" == "wordsBeforAfter" ]; then
    numOfWords=${#wordsBeforAfter[@]}
    for (( i=0;i<$numOfWords;i++)); do
      if [ "$2" ==  "${wordsBeforAfter[${i}]}" ]; then
        highlightWord ${wordsBeforAfter[${i}]}
        wordsBeforAfter[${i}]=$tmpHighlightWord      
        break 
      fi
    done
  elif [ "$1" == "wordsHour" ]; then
    numOfWords=${#wordsHour[@]}
    for (( i=0;i<$numOfWords;i++)); do
      if [ "$2" ==  "${wordsHour[${i}]}" ]; then
        highlightWord ${wordsHour[${i}]}
        wordsHour[${i}]=$tmpHighlightWord
        break 
      fi
    done
  fi
}

function echoWord {
  # $1: word to output
  out=$1
  if [ "$out" != "\n" ]; then
    echo -en "$out "
  else 
    echo -en $out
  fi
}

###############################################
### programm
###############################################

hour=$(date +%l)
minute=$(date +%M)

beforeAfter=""
if [ "$minute" -lt 30 -a "$minute" -ne 00 ]; then
  beforeAfter="nach"
elif [ "$minute" -ge 30 ]; then
  beforeAfter="vor"
  ((minute=60-$minute))
  if [ $minute -eq 1 ]; then
    minute="01"
  fi
  if [ "$hour" -eq 12 ]; then
	 hour=1
  else
	 ((hour++))
  fi
fi

#echo $minute
#echo $hour

if [ "$minute" -eq 00 ]; then
  changeOutput "wordsExactly" "genau"
  getNameFromValue $hour
  changeOutput "wordsHour" $numAsString
else
  getNameFromValue $minute
  changeOutput "wordsMinute" $numAsString

  changeOutput "wordsBeforAfter" $beforeAfter

  getNameFromValue $hour
  changeOutput "wordsHour" $numAsString
fi 

#output all!
echo "-------------------------------------------------"
# output exactly
numElements=${#wordsExactly[@]}
for (( i=0;i<$numElements;i++)); do
  echoWord ${wordsExactly[${i}]}
done 

# output minute
numElements=${#wordsMinute[@]}
for (( i=0;i<$numElements;i++)); do
  echoWord ${wordsMinute[${i}]}
done 

# output beforeafter
numElements=${#wordsBeforAfter[@]}
for (( i=0;i<$numElements;i++)); do
  echoWord ${wordsBeforAfter[${i}]}
done 

# output hour
numElements=${#wordsHour[@]}
for (( i=0;i<$numElements;i++)); do
  echoWord ${wordsHour[${i}]}
done
echo "-------------------------------------------------"