Initial upload of working script

tinypng.sh

@@ -0,0 +1,55 @@
+#!/bin/bash
+
+if [ -z "$1" ] || [ -z "$2" ] || [ ! -d "$1" ] ; then
+	printf "Usage: $0 <Directory to Search> <File Expression>\n"
+	printf "\tex. tinypng.sh . 'thumb*.jpg' // All JPG thumbnails in current directory\n"
+	printf "\tex. tinypng.sh subdirectory/ '*.png' // All PNG files under subdirectory\n"
+	exit 1
+fi
+
+APIKEY="INSERT_API_KEY_HERE"
+LOGFILE="tinypng.log"
+
+# Find all jpg/png files with names starting with 'thumb*' (thumbnails)
+FILES="$(find $1 -type f -name $2)";
+for FILE in $FILES ; do
+
+	# Prepend './' if directory was given (to match output from '.')
+	if [ "$1" != "." ] ; then
+		FILE="./$FILE"
+	fi
+
+	# Sanity check to ensure file exists
+	if [ -e "$FILE" ] ; then
+
+		# Check if the file has been compressed previously
+		if [ -e "$LOGFILE" ] && (grep -Fxq "$FILE" "$LOGFILE") ; then
+			printf "$FILE has already been compressed\n"
+			continue
+		fi
+
+		# Upload file to tinypng compression service
+		printf "Uploading $FILE..\n"
+		JSON=`curl --progress-bar https://api.tinypng.com/shrink --user api:$APIKEY --data-binary @"$FILE"`
+		URL=`echo $JSON | grep -oP 'url\":\"\K.+(?=")'`
+		RATIO=`echo $JSON | grep -oP 'ratio\":\K.+(?=,)'`
+
+		# Download replacement if URL is given
+		if [ -n "$URL" ] ; then 
+			printf "URL: $URL\n"
+			printf "Downloading replacement $FILE..\n"
+			curl --progress-bar $URL > "$FILE" 
+			printf "${FILE} is $RATIO%% smaller than the original\n"
+
+			printf "$FILE\n" >> "$LOGFILE"
+		fi
+
+		printf "\n"
+ 	fi
+done
+
+unset -v APIKEY
+unset -v LOGFILE
+unset -v JSON
+unset -v URL
+unset -v RATIO