From 82a9f967704a7683d4be7d88fa801d6a4fb20514 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Carlos=20Sol=C3=ADs?= <csolisr@azkware.net>
Date: Fri, 7 Feb 2025 14:54:35 +0000
Subject: [PATCH] feat: Add detection and correction of image files with the
 wrong extension

---
 media-optimize-local.sh | 176 ++++++++++++++++++++++++++++------------
 1 file changed, 125 insertions(+), 51 deletions(-)

diff --git a/media-optimize-local.sh b/media-optimize-local.sh
index fd2db6e..e1c2399 100755
--- a/media-optimize-local.sh
+++ b/media-optimize-local.sh
@@ -2,58 +2,132 @@
 IFS="
 "
 #media-optimize
-find . -type f -iname "*.jp*" -size +50k | (
-	while read p; do
-		nice -n 15 jpegoptim -m 76 "${p}" &
-		if [[ $(jobs -r -p | wc -l) -ge $(getconf _NPROCESSORS_ONLN) ]]; then
-			wait -n
-		fi
-	done
-	wait
-)
-find . -type f -iname "*.gif" -size +500k | (
-	while read q; do
-		nice -n 15 gifsicle --batch -O3 --lossy=80 --colors=255 "${q}" &
-		if [[ $(jobs -r -p | wc -l) -ge $(getconf _NPROCESSORS_ONLN) ]]; then
-			wait -n
-		fi
-	done
-	wait
-)
-#Specific compression for large GIF files: halving the frame rate
-find . -type f -size +500k -iname "*-320.gif" -or -iname "*-80.gif" -or -iname "*-48.gif" | (
-	while read p; do
-		while [[ $(stat -c%s "${p}" || 0) -ge 512000 ]]; do
-			frameamount=$(($(exiftool -b -FrameCount "${p}" || 1) - 1))
-			nice -n 15 gifsicle "${p}" $(seq -f "#%g" 0 2 "${frameamount}") -O3 --lossy=80 --colors=255 -o "${p}"
-		done
-	done
-)
-find . -type f -iname "*.png" -size +500k | (
-	while read r; do
-		nice -n 15 oxipng -o max "${r}" &
-		if [[ $(jobs -r -p | wc -l) -ge $(getconf _NPROCESSORS_ONLN) ]]; then
-			wait -n
-		fi
-	done
-	wait
-)
+while read -r p; do
+	nice -n 15 jpegoptim -m 76 "${p}" #&>/dev/null &
+	if [[ $(jobs -r -p | wc -l) -ge $(getconf _NPROCESSORS_ONLN) ]]; then
+		wait -n
+	fi
+done < <(find . -type f -iname "*.jp*" \( -size +50k -and -mtime -8 \))
+wait
+while read -r q; do
+	nice -n 15 gifsicle --batch -O3 --lossy=80 --colors=255 "${q}" #&>/dev/null &
+	if [[ $(jobs -r -p | wc -l) -ge $(getconf _NPROCESSORS_ONLN) ]]; then
+		wait -n
+	fi
+done < <(find . -type f -iname "*.gif" \( -size +500k -and -mtime -8 \))
+wait
+while read -r p; do
+	(while [[ $(stat -c%s "${p}" || 0) -ge 512000 ]]; do
+		frameamount=$(($(exiftool -b -FrameCount "${p}" || 1) - 1))
+		nice -n 15 gifsicle "${p}" $(seq -f "#%g" 0 2 "${frameamount}") -O3 --lossy=80 --colors=255 -o "${p}" #&>/dev/null
+	done) &
+	if [[ $(jobs -r -p | wc -l) -ge $(getconf _NPROCESSORS_ONLN) ]]; then
+		wait -n
+	fi
+done < <(find . -type f -size +500k \( -iname "*-320.gif" -or -iname "*-80.gif" -or -iname "*-48.gif" \))
+wait
+while read -r r; do
+	nice -n 15 oxipng -o max "${r}" #&>/dev/null &
+	if [[ $(jobs -r -p | wc -l) -ge $(getconf _NPROCESSORS_ONLN) ]]; then
+		wait -n
+	fi
+done < <(find . -type f -iname "*.png" -size +500k)
+
+wait
 #compress-webp
-find . -type f -iname "*.webp" -size +50k | (
-	while read s; do
-		#If file is not animated
-		if ! grep -v -q -e "ANIM" -e "ANMF" "${s}"; then
-			cwebp -mt -af -quiet "${s}" -o /tmp/"${s##.*\/}"_temp.webp
-			if [[ -f /tmp/"${s##.*\/}"_temp.webp ]]; then
-				size_new=$(stat -c%s /tmp/"${s##.*\/}"_temp.webp || 0)
-				size_original=$(stat -c%s "${s}" || 0)
-				if [[ "${size_original}" -gt "${size_new}" ]]; then
-					mv /tmp/"${s##.*\/}"_temp.webp "${s}"
-				else
-					rm /tmp/"${s##.*\/}"_temp.webp
+while read -r s; do
+	#If file is not animated
+	if ! grep -v -q -e "ANIM" -e "ANMF" "${s}"; then
+		cwebp -mt -af -quiet "${s}" -o /tmp/"${s##.*\/}"_temp.webp #&>/dev/null
+		if [[ -f /tmp/"${s##.*\/}"_temp.webp ]]; then
+			size_new=$(stat -c%s /tmp/"${s##.*\/}"_temp.webp || 0)
+			size_original=$(stat -c%s "${s}" || 0)
+			if [[ -n "${size_original}" && -n "${size_new}" && "${size_original}" -gt "${size_new}" ]]; then
+				mv /tmp/"${s##.*\/}"_temp.webp "${s}"
+			else
+				rm /tmp/"${s##.*\/}"_temp.webp
+			fi
+		fi
+	fi
+done < <(find . -type f -iname "*.webp" \( -size +50k -and -mtime -8 \))
+wait
+while read -r i; do
+	if file -b "${i}" | grep -vq "PNG" | grep -vq "empty" | grep -vq "symbolic link" | grep -vq "directory" | grep -vq "text"; then
+		if file -b "${i}" | grep -q "JPEG"; then
+			mv "${i}" "${i%.*}".jpg
+			jpegoptim -m76 "${i%.*}".jpg #&>/dev/null
+		elif file "${i}" | grep -q "GIF"; then
+			mv "${i}" "${i%.*}".gif
+			gifsicle --batch -O3 --lossy=80 --colors=255 "${i%.*}".gif #&>/dev/null
+		elif file "${i}" | grep -q "Web/P"; then
+			mv "${i}" "${i%.*}".webp
+			#cwebp -mt -af -quiet $i
+		fi
+	fi
+done < <(find . -iname "*.png" -mtime -8)
+while read -r j; do
+	if file -b "${j}" | grep -v -q -e "JPEG" -e "empty" -e "symbolic link" -e "directory" -e "text"; then
+		if file -b "${j}" | grep -q "PNG"; then
+			mv "${j}" "${j%.*}".png
+			oxipng -o max "${j%.*}".png #&>/dev/null
+		elif file -b "${j}" | grep -q "GIF"; then
+			mv "${j}" "${j%.*}".gif
+			gifsicle --batch -O3 --lossy=80 --colors=255 "${j%.*}".gif #&>/dev/null
+		elif file -b "${j}" | grep -q "Web/P"; then
+			mv "${j}" "${j%.*}".webp
+			#If file is not animated
+			if ! grep -v -q -e "ANIM" -e "ANMF" "${s}"; then
+				cwebp -mt -af -quiet "${s}" -o /tmp/"${s##.*\/}"_temp.webp #&>/dev/null
+				if [[ -f /tmp/"${s##.*\/}"_temp.webp ]]; then
+					size_new=$(stat -c%s /tmp/"${s##.*\/}"_temp.webp || 0)
+					size_original=$(stat -c%s "${s}" || 0)
+					if [[ -n "${size_original}" && -n "${size_new}" && "${size_original}" -gt "${size_new}" ]]; then
+						mv /tmp/"${s##.*\/}"_temp.webp "${s}"
+					else
+						rm /tmp/"${s##.*\/}"_temp.webp
+					fi
 				fi
 			fi
 		fi
-	done
-	wait
-)
+	fi
+done < <(find . -mtime -8 \( -iname "*.jpg" -and -iname "*.jpeg" \))
+while read -r k; do
+	if file -b "${k}" | grep -v -q -e "GIF" -e "empty" -e "symbolic link" -e "directory" -e "text"; then
+		if file -b "${k}" | grep -q "JPEG"; then
+			mv "${k}" "${k%.*}".jpg
+			jpegoptim -m76 "${k%.*}".jpg #&>/dev/null
+		elif file -b "${k}" | grep -q "PNG"; then
+			mv "${k}" "${k%.*}".png
+			oxipng -o max "${k%.*}".png #&>/dev/null
+		elif file -b "${k}" | grep -q "Web/P"; then
+			mv "${k}" "${k%.*}".webp
+			#If file is not animated
+			if ! grep -v -q -e "ANIM" -e "ANMF" "${s}"; then
+				cwebp -mt -af -quiet "${s}" -o /tmp/"${s##.*\/}"_temp.webp #&>/dev/null
+				if [[ -f /tmp/"${s##.*\/}"_temp.webp ]]; then
+					size_new=$(stat -c%s /tmp/"${s##.*\/}"_temp.webp || 0)
+					size_original=$(stat -c%s "${s}" || 0)
+					if [[ -n "${size_original}" && -n "${size_new}" && "${size_original}" -gt "${size_new}" ]]; then
+						mv /tmp/"${s##.*\/}"_temp.webp "${s}"
+					else
+						rm /tmp/"${s##.*\/}"_temp.webp
+					fi
+				fi
+			fi
+		fi
+	fi
+done < <(find . -iname "*.gif" -mtime -8)
+while read -r l; do
+	if file -b "${l}" | grep -v -q -e "Web/P" -e "empty" -e "symbolic link" -e "directory" -e "text"; then
+		if file -b "${l}" | grep -q "JPEG"; then
+			mv "${l}" "${l%.*}".jpg
+			jpegoptim -m76 "${l%.*}".jpg #&>/dev/null
+		elif file -b "${l}" | grep -q "PNG"; then
+			mv "${l}" "${l%.*}".png
+			oxipng -o max "${l%.*}".png #&>/dev/null
+		elif file -b "${l}" | grep -q "GIF"; then
+			mv "${l}" "${l%.*}".gif
+			gifsicle --batch -O3 --lossy=80 --colors=255 "${l%.*}".gif #&>/dev/null
+		fi
+	fi
+done < <(find . -iname "*.webp" -mtime -8)