filter wget progress - to display the progress bar only

filter-wget-progress

#! /bin/sh

function wgetFilter() {
  local flag=2 c count cr=$'\r' nl=$'\n'
  while IFS='' read -d '' -rn 1 c
  do
    if [ $flag == 1 ]
    then
      printf '%c' "$c"
      if [[ "$c" =~ (s$) ]]
      then
        flag=0
        echo ""
      fi
    elif [ $flag != 0 ]
    then
      if [[ $c != $cr && $c != $nl ]]
      then
        count=0
      else
        ((count++))
        if ((count > 1))
        then
          flag=1
        fi
      fi
    fi
  done
}

wget --progress=bar:force "http://www.foo.com.file" 2>&1 | wgetFilter