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Skip images already within pixel limit

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Check pixel count before processing and skip files that are already at or below 8MP, avoiding unnecessary re-compression.
This commit is contained in:
jim kolpack
2026-05-01 21:44:01 -04:00
parent 97ba5eac6a
commit cc9353cd61
1 changed files with 9 additions and 0 deletions
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images_resize.sh
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@@ -7,8 +7,17 @@
echo "Resizing large JPGs in $(pwd)" echo "Resizing large JPGs in $(pwd)"
MAX_PIXELS=8000000
find . -regextype posix-egrep -regex ".*\.(jpg|JPG|JPEG|jpeg)$" -print0 | while IFS= read -r -d '' f find . -regextype posix-egrep -regex ".*\.(jpg|JPG|JPEG|jpeg)$" -print0 | while IFS= read -r -d '' f
do do
# Check pixel count before processing
PIXELS=$(~/Applications/magick identify -format "%[fx:w*h]" "$f" 2>/dev/null)
if [[ -n "$PIXELS" && "$PIXELS" -le "$MAX_PIXELS" ]]; then
echo "Skipping $f: ${PIXELS}px already within limit"
continue
fi
# Get file size before resizing # Get file size before resizing
SIZE_BEFORE=$(stat -f%z "$f" 2>/dev/null || stat -c%s "$f" 2>/dev/null) SIZE_BEFORE=$(stat -f%z "$f" 2>/dev/null || stat -c%s "$f" 2>/dev/null)