compress large uncompressed or lossless format into compressed/lossy format. // powered by imagemagick

recursive_image_converter.bash

#!/bin/bash

CONV='/usr/bin/convert.exe'

#find "$1" -type f \( -iname "*.bmp" \) -print0 | while IFS= read -r -d '' fullfile; do # BMP->PNG (Lossless)
find "$1" -type f \( -iname "*.bmp" -o -iname "*.png" \) -print0 | while IFS= read -r -d '' fullfile; do # any Lossless to Lossy JPEG
    #$CONV "${fullfile}" "${fullfile}.png" && rm -f "${fullfile}" # BMP->PNG (Lossless)
    $CONV -quality 80 "${fullfile}" "${fullfile}.jpg" && rm -f "${fullfile}" # any Lossless to Lossy JPEG
done