38 lines
681 B
Bash
38 lines
681 B
Bash
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#!/bin/bash
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# check for mogrify
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which mogrify > /dev/null
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if [[ $? -ne 0 ]]
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then
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echo "mogrify not found, run the following:"
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echo "sudo apt install imagemagick"
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exit 1
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fi
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# finds pattern [number]x[number]
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REGEX="([0-9]+)x[0-9]+"
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MAX_WIDTH=1200
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for FILE in $(find src/img)
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do
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# skip directories
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if [ -d $FILE ]
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then
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continue
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fi
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# `identify` prints out file info incl. dimensions in pixels
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if [[ $(identify $FILE) =~ $REGEX ]]
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then
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# regex capture groups
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WIDTH=${BASH_REMATCH[1]}
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# resize if too large
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if (( $WIDTH > $MAX_WIDTH ))
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then
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echo "resizing $FILE with width $WIDTH"
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mogrify -resize 1200x $FILE
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fi
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fi
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done
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