scripts/_wget_retval_sh_fd.sh

   1
   2 exec 4>&1
   3 WGET_CONNOPTS="--passive-ftp -t 1 --timeout=5"
   4 WGET_OPTS="-q --progress=dot --show-progress"
   5
   6 [ -z "$1" ] && exit 1
   7 URL="$1"
   8 FILE="${URL##*/}"
   9
  10 bar=`expr $(stty size | cut -d " " -f 2) - ${#FILE} - 1 - 2 - 4 - 1 - 1`
  11
  12 retval=`(((wget $WGET_OPTS $WGET_CONNOPTS $URL -O $FILE 2>&1; printf "$?" >&3) | \
  13 sed -u -n -e 's/%.*//' -e 's/.* //p' | \
  14 while read perc; do
  15 if [ "$dperc" != "$perc" ] && [ ! -z "$perc" ]; then
  16     barp=$(($bar * $perc / 100))
  17     barend=$(($bar - $barp))
  18     printf "\r%-$((${#FILE} + 1))s" "$FILE"
  19     printf "["
  20     for i in $(seq 1 $barp); do
  21         printf "#"
  22     done
  23     for i in $(seq 1 $barend); do
  24         printf " "
  25     done
  26     printf "] "
  27     printf "%4s" "${perc}%"
  28     dperc=$perc
  29 fi
  30 done) >&4) 3>&1`
  31
  32 if [ "$retval" = "0" ]; then
  33     printf "\r%-$((${#FILE} + 1))s" "$FILE"
  34     printf "["
  35     for i in $(seq 1 $bar); do
  36         printf "#"
  37     done
  38     printf "] "
  39     printf "%4s" "100%"
  40     printf "\n"
  41 fi
  42
  43 exit $retval