Update bash-folders-image-to-webp.sh

bash-folders-image-to-webp.sh

@@ -2,25 +2,17 @@
 #!/usr/bin/env bash
 
 # --
-# Description: Script that decompresses all the files that are left in the folder.
-# --nnnnnnn
-# Requirements: Install inotify-tools, gzip bzip2 xz-utils unzip p7zip-full and unrar
-# Example Debian: $sudo apt install inotify-tools gzip bzip2 xz-utils unzip p7zip-full unrar
+# Description: Script that watches when new image (PNG or JPEG) are added and transform to WebP format.
 # --
-# Cron: @reboot bash-folders-descompress.sh >/dev/null 2>&1 &
+# Requirements: Install webp
+# Example Debian: $sudo apt install webp
+# --
+# Cron: @reboot bash-folders-image-to-webp.sh >/dev/null 2>&1 &
 # --
 
 # START
 set -e
 
-# EXPORTS
-# Fix: notify-send command doesn't launch the notification through systemd service
-export DBUS_SESSION_BUS_ADDRESS="${DBUS_SESSION_BUS_ADDRESS:-unix:path=/run/user/${UID}/bus}"
-
-# VARIABLES
-PROGNAME=$(basename "$0")
-FOLDER_ORIGIN="$2"
-EXTENSIONS_TO_WATCH=("gzip" "bzip2" "xz" "zip" "7z" "rar")
 
 # FUNCTIONS
 
@@ -31,7 +23,7 @@ usage() {
 
     cat << EOF
 Usage: $PROGNAME [OPTION]
-Watches new compress files and decompresses all the files.
+Watches when new image (PNG or JPEG) are added and transform to WebP format.
 Options:
 --folder [path]  Folder path where will be monitored.
 --help           Display this usage message and exit
@@ -40,17 +32,6 @@ EOF
     exit 1
 }
 
-send-notification() {
-    if command -v notify-send >/dev/null 2>&1; then
-	# Send a native notification
-	notify-send "$1"
-    else
-	# If the above command is not available, print by console
-	echo "$1"
-    fi
-
-}
-
 start() {
     # Output
     cd "$FOLDER_ORIGIN"
@@ -63,33 +44,10 @@ start() {
 	    # Checks if the extension is in the extension list
 	    for ext in "${EXTENSIONS_TO_WATCH[@]}"; do
 		if [[ "$ext" = "$extension" ]]; then
-		    # Notifies that the conversion is to be started
-		    send-notification "Descompressing '$filename', please wait."
+			filename_output="optimized_${filename%.*}.mp4"
 		    # Decompresses the file
 		    filetype=$(file -b "$filepath" | awk '{print $1}')
-		    case "$filetype" in
-			"gzip")
-			    gzip -d "$filepath"
-			    ;;
-			"bzip2")
-			    bzip2 -d "$filepath"
-			    ;;
-			"XZ")
-			    xz -d "$filepath"
-			    ;;
-			"Zip")
-			    unzip "$filepath"
-			    ;;
-			"7-zip")
-			    7z x "$filepath"
-			    ;;
-			"RAR")
-			    unrar x "$filepath"
-			    ;;
-			*)
-			    send-notification "Error: Unknown file type $filetype"
-			    ;;
-		    esac
+		    cwebp -q 90 example.jpeg -o example.webp
 		    # Notifies that it has been terminated
 		    send-notification "Descompressing $filename finished."
 		fi
@@ -97,27 +55,45 @@ start() {
 	done
 }
 
-# CONTROLE ARGUMENTS
-isArg=""
 
-while [ $# -gt 0 ] ; do
-    case "$1" in
-    --help)
-        usage
-        ;;
-    --folder)
-        isArg="1"
-	if [ $# -eq 2 ]; then
-	    start
-	else
-	    usage "You need to specify the path of the folder to watch."
-	fi
-        ;;
-    *)
+# CONTROLE ARGUMENTS
+
+# Parse command line arguments
+while [[ $# -gt 0 ]]
+do
+    key="$1"
+    case $key in
+	--folder)
+	    FOLDER_ORIGIN="$2"
+	    shift # past argument
+	    shift # past value
+	    ;;
+	--quality)
+	    QUALITY="$2"
+	    shift # past argument
+	    shift # past value
+	    ;;
+	*)
+	    usage "Unknown option: $1"
+	    ;;
     esac
-    shift
 done
 
-if [ -z $isArg ] ; then
-    usage "Not enough arguments"
-fi
+# VARIABLES
+PROGNAME=$(basename "$0")
+FOLDER_ORIGIN="$2"
+EXTENSIONS_TO_WATCH=("jpg" "jpeg" "png")
+
+# CHECKS
+
+# Check if exists cwebp
+if ! which -q cwebp; then
+    echo "Error: You must install the WebP terminal tools."
+    exit 1
+
+# Check if the required --folder flag is provided
+if [ -z "$FOLDER_ORIGIN" ]; then
+    echo "Error: The --folder flag is required."
+    exit 1
+    
+start