Commands tagged identify (5)

  • Identify name and resolution of all jpgs in current directory


    4
    identify -verbose *.jpg|grep "\(Image:\|Resolution\)"
    Andthink · 2009-04-10 20:08:43 7
  • remove *.jpg smaller than 500x500


    2
    identify -format '%w %h %f\n' *.jpg | awk 'NF==3&&$1<500&&$2<500{print $3}' | xargs -r rm
    kev · 2011-12-03 03:34:16 4
  • Resolution of a image

    You can use the -format switch to get the size of the image. Replace "logo:" with your image. Show Sample Output


    1
    identify -format "%[fx:w]x%[fx:h]" logo:
    dratini0 · 2012-02-19 08:29:56 5
  • A quick shell command to weed out the small wallpapers

    For all of the jpgs in a directory, determine their size and if below a threshold remove them forcefully.


    0
    for i in ~/Desktop/Personal/Wallpapers/*.jpg ; { size=$((`identify -format "%wx%h" $i | sed 's/x/*/'`)) ; if [[ $size -lt 800001 ]] then ; rm -f "$i" ; fi; }
    cbrinker · 2009-10-16 00:21:21 4
  • add title and alt-text to your collection of xkcd comics

    full command: for fn in xkcd*.png xkcd*.jpg; do; echo $fn; read xw xh <<<$(identify -format '%w %h' $fn); nn="$(echo $fn | sed 's/xkcd-\([0-9]\+\)-.*/\1/')"; wget -q -O xkcd-${nn}.json http://xkcd.com/$nn/info.0.json; tt="$(sed 's/.*"title": "\([^"]*\)", .*/\1/' xkcd-${nn}.json)"; at="$(sed 's/.*alt": "\(.*\)", .*/\1/' xkcd-${nn}.json)"; convert -background white -fill black -font /usr/share/fonts/truetype/freefont/FreeSansBold.ttf -pointsize 26 -size ${xw}x -gravity Center caption:"$tt" tt.png; convert -background '#FFF9BD' -border 1x1 -bordercolor black -fill black -font /usr/share/fonts/truetype/freefont/FreeSans.ttf -pointsize 16 -size $(($xw - 2))x -gravity Center caption:"$at" at.png; th=$(identify -format '%h' tt.png); ah=$(identify -format '%h' at.png); convert -size ${xw}x$(($xh+$th+$ah+5)) "xc:white" tt.png -geometry +0+0 -composite $fn -geometry +0+$th -composite at.png -geometry +0+$(($th+$xh+5)) -composite ${fn%\.*}_cmp.png; echo -e "$fn $nn $xw $xh $th $ah \n$tt \n$at\n"; done this assumes that all comics are saved as xkcd-[number]-[title].{png|jpg}. it will then download the title and alt-text, create pictures from them, and put everything together in a new png-file. it's not perfect, but it worked for nearly all my comics. it uses the xkcd-json-interface. though it's poorly written, it doesn't completely break on http://xkcd.com/859/


    -2
    for fn in xkcd*.png xkcd*.jpg; do echo $fn; read xw xh <<<$(identify -format '%w %h' $fn); nn="$(echo $fn | sed 's/xkcd-\([^-]\+\)-.*/\1/')"; wget -q -O xkcd-${nn}.json http://xkcd.com/$nn/info.0.json; tt="$(sed 's/.*"title": "\([^"]\+\)",.*/\1/' ...
    fpunktk · 2012-01-06 20:26:11 9

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