#!/bin/bash
## Version 1.0.1-1
##
## License: GPL2
##
## NOTE: It is just a simple example of how to list content with AWK 
## and send command to the shell within AWK.
## 
## it reads file ~/.mplayer/channels.conf
## and then starts mplayer with function system() in AWK
##


if [ "$1" ];then
CC='^[0-9]+$';
  if ! [[ "$@" =~ $CC ]];then echo Is not a channel number!;
   else
##
  xset -dpms s off;
    awk -F':' -v AA="$1" '//{ZZ++;
     if(AA == ZZ)system("mplayer dvb://""\""$1"\"")}
     END{if(AA > ZZ)printf "The highest channel number is: "ZZ"\n"}' "$HOME/.mplayer/channels.conf"
  xset +dpms s on;
##
  fi;
else
awk -F':' '// { ZZ++; printf  ZZ " | " $1 "\n"}' "$HOME/.mplayer/channels.conf"
fi;