#!/bin/sh


#test for jpeg
if [[ $REQUEST_METHOD = 'GET' ]]; then

  #since ash does not handle arrays we create variables using eval
  IFS='&'
  for PAIR in $QUERY_STRING
  do
      K=$(echo $PAIR | cut -f1 -d=)                                             
      VA=$(echo $PAIR | cut -f2 -d=)
      #VB=${VA//%3A/:}
      #echo "<div>$K=$VA</div>"
      eval GET_$K=$VA
  done
fi

if [ -z "$GET_channel" ]; 
then
  echo "X-Channel-Override: 0"
  GET_channel=0
fi

echo "X-Channel: $GET_channel"

cmd jpeg "$GET_channel"