[problem]
You want to resize images from the command line.
[/problem]
[solution]
Use image magik mogrify command.
mogrify -resize "percentage" image_na
Also you can view current sizing – like this:
% identify IMG_3864.JPG
IMG_3864.JPG JPEG 563x422 563x422+0+0 DirectClass 8-bit 32.8887kb
[/solution]
[example]
mogrify -resize 20% IMG_3705.JPG
[/example]
[reference]
[tags]mogrify[/tags]
[/reference]
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