ggimg

#!/bin/bash

# ggimg - jzu@free.fr 2013 - WTFPL
# Searches Google Images using the parameter as search terms
# Grabs the first one to appear
# Normalizes its size to 480 pixels wide
# Gives it the name of the search terms + .jpg
# Creates a 32x32 thumbnail (e.g. to insert in FLAC files)
# Needs wget and ImageMagick


if [ $# -eq 0 ] 
then
  echo Usage: `basename $0` search terms 1>&2
  exit 1
fi

SEARCH="$*"

(
echo "$SEARCH" \
| sed -e 's/ /\+/g' \
      -e 's/^/\"http:\/\/www.google.com\/search\?tbm=isch\&q=/' \
      -e 's/$/"/' \
| xargs wget -nv -O - -U "Firefox/3.0.15" \
| sed 's/>/>\n/g' \
| grep -B 1 '<img' \
| head -1 \
| sed -e "s/.*imgurl=//" \
      -e "s/.amp;.*//" \
      -e "s/%3F.*//" \
| xargs wget -nv -U "Firefox/3.0.15" -O "img-$$"
) &> /dev/null

# Make it a JPEG

convert img-$$ -resize 480 "$SEARCH.jpg" &> /dev/null

# Shit happens - when download fails, img-$$ is zero-sized

if [ $? -ne 0 ]
then
  echo Error: \"$SEARCH\" - failed to download image
  /bin/rm -f img-$$
  exit
fi

# And make it a thumbnail, by the way

convert img-$$ -resize 32x32 "$SEARCH.png"

# Cleanup

/bin/rm img-$$