> Hi Tobias, gimp-users, > >>> > I wish to scale the 6MP images from my camera to a smaller size >>> say >>> > 600x800 to be loaded into my phone. How can this be done via >>> command >>> > line ? What are the switches (and arguments) to be used ? I have >>> > hundreds of images to be scaled. doing this with the GUI is >>> > impractical. > > A possible solution: ImageMagick - Checkout convert, display, identify > http://www.imagemagick.org/script/convert.php > http://www.imagemagick.org/script/command-line-processing.php#geometry > > Here's a *sample* Bash script. Perhaps something like this will work > in > your situation. Read up on the options for resizing (see links above). > > Hope this helps. > > # > # Resize images in current directory using ImageMagick convert command > declare -r ImageExt="jpg" > declare -r Tag="600x800" > declare -r NewSubDir="resized-${Tag}" > declare -r IMResizeOpt="600x800!" > > # Create directories if not already present > if [ ! -d "${NewSubDir}" ]; then > printf "Make subdirectory %s\n" "${NewSubDir}" > mkdir "${NewSubDir}" > fi > > # Loop through all files in current folder > for theCurrentFile in *".${ImageExt}"; do > theNewFile="${NewSubDir}/${theCurrentFile%%.${ImageExt}}-${Tag}.${ImageExt}" > if [ ! -e "$theNewFile" ]; then > printf "Converting '%s' to '%s'\n" "${theCurrentFile}" > "${theNewFile}" > convert -resize "${IMResizeOpt}" "${theCurrentFile}" > "${theNewFile}" > fi > done
Maybe a modification of this; ================================================== #!/bin/bash for img in *.jpg do convert -sample 25%x25% $img thumb-$img done ================================================== _______________________________________________ Gimp-user mailing list Gimp-user@lists.XCF.Berkeley.EDU https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-user
