Added variable verbosity level

README.MD

@@ -14,8 +14,18 @@ Syncronises music from one folder to another.
 Options:
  -s, --source <source>     The source folder of the music
  -d, --dest <destination>  The destionation folder of the music
- -v, --verbose             Enable verbose output
+ -v, --verbose <0-6>       Set log level
  -h, --help                Display this help text
+
+Log levels:
+ 0 | Verbose
+ 1 | Debug
+ 2 | Info (Default)
+ 3 | Warning
+ 4 | Error
+ 5 | Fatal
+ 6 | No logging
+
 ```
 
 ## Licence

music-sync.sh

@@ -4,7 +4,7 @@
 set -o errexit -o pipefail -o noclobber -o nounset
 source="-"
 dest="-"
-verbose=true
+verbose=2
 help=false
 
 GetOptions() {
@@ -12,7 +12,7 @@ GetOptions() {
 	# https://stackoverflow.com/a/29754866
 	! getopt --test > /dev/null 
 	if [[ ${PIPESTATUS[0]} -ne 4 ]]; then
-		VerboseOutput "Fatal" "\`getopt --test\` failed"
+		VerboseOutput 5 "\`getopt --test\` failed"
 		echo "Sorry, It seems that your shell is not supported"
 		echo "If you're using mac or another unix-like system, please install GNU getopt"
 		exit 1
@@ -22,8 +22,8 @@ GetOptions() {
 	source=${*: -2:1}
 	dest=${*: -1:1}
 
-	OPTIONS=s:d:vh
-	LONGOPTS=source:,dest:,verbose,help
+	OPTIONS=s:d:v::h
+	LONGOPTS=source:,dest:,verbose::,help
 
 	# -use ! and PIPESTATUS to get exit code with errexit set
 	# -temporarily store output to be able to check for errors
@@ -40,12 +40,15 @@ GetOptions() {
 	# read getopt’s output this way to handle the quoting right:
 	eval set -- "$PARSED"
 
-	verbose=false
 	# now enjoy the options in order and nicely split until we see --
 	while true; do
 		case "$1" in
 			-v|--verbose)
-				verbose=true
+				verbose=2
+				if [[ $2 != "" ]]; then
+					verbose=${2}
+					shift
+				fi
 				shift
 				;;
 			-h|--help)
@@ -87,14 +90,44 @@ Usage() {
 	echo "Options:"
 	echo " -s, --source <source>     The source folder of the music"
 	echo " -d, --dest <destination>  The destionation folder of the music"
-	echo " -v, --verbose             Enable verbose output"
+	echo " -v, --verbose <0-6>       Set log level"
 	echo " -h, --help                Display this help text"
+	echo "Log levels:"
+	echo " 0 | Verbose"
+	echo " 1 | Debug"
+	echo " 2 | Info (Default)"
+	echo " 3 | Warning"
+	echo " 4 | Error"
+	echo " 5 | Fatal"
+	echo " 6 | No logging"
 	echo ""
 }
 
 VerboseOutput() {
-	if [[ "$verbose" = true ]]; then
-		echo "[$1] $2" >&2
+	level=""
+	if [[ $verbose -le $1 ]]; then
+		case "$1" in
+			0) 
+				level="Verbose"
+				;;
+			1)
+				level=" Debug "
+				;;
+			2)
+				level=" Info  "
+				;;
+			3)
+				level="Warning"
+				;;
+			4)
+				level=" Error "
+				;;
+
+			5)
+				level=" Fatal "
+				;;
+		esac
+		echo "[$level] $2" >&2
 	fi
 }
 
@@ -109,11 +142,11 @@ CreateFileList() {
 		if [[ -d "${1}/$relfile" ]]; then
 			newdir="${3}/$relfile"
 			newdir=${newdir#"/"}
-			VerboseOutput "Info" "Entering $newdir"
+			VerboseOutput 1 "Entering $newdir"
 			CreateFileList "${1}/$relfile" "${2}/$relfile" "$newdir"
 		elif [[ ! -f "${2}/$relfile" || "${1}/$relfile" -nt "${2}/$relfile" ]]; then
 			echo ${3}/$relfile >> /tmp/music-sync-filelist
-			VerboseOutput "Info" "Added: ${3}/${relfile}"
+			VerboseOutput 2 "Added: ${3}/${relfile}"
 		fi
 	done
 }
@@ -122,15 +155,15 @@ ConvertFiles() {
 	mkdir -p /tmp/converted
 	while read -r line
 	do
-		VerboseOutput "Info" "Converting $line"
+		VerboseOutput 1 "Converting: $line"
 		if [[ "/tmp/converted/$line" = */* ]]; then
 			mkdir -p "/tmp/converted/${line%/*}";
 		fi;
 		if [[ ! -f "/tmp/converted/$line" || "${source}/$file" -nt "/tmp/converted/$line" ]]; then
 			lame -b 192 $source/$line /tmp/converted/$line 1>/dev/null 2>/dev/null
-			VerboseOutput "Info" "Converted $line"
+			VerboseOutput 2 "Converted: $line"
 		else
-			VerboseOutput "Warning" "$line already converted"
+			VerboseOutput 3 "$line already converted"
 		fi;
 
 	done < "/tmp/music-sync-filelist"
@@ -139,20 +172,20 @@ ConvertFiles() {
 CopyFiles() {
 	while read -r line
 	do
-		VerboseOutput "Info" "Copy $line"
+		VerboseOutput 1 "Copying: $line"
 		if [[ "$dest/$line" = */* ]]; then
 			mkdir -p "$dest/${line%/*}";
 		fi;
 		cp -f $source/$line $dest/$line 1>/dev/null 2>/dev/null
 	done < "/tmp/music-sync-filelist"
-	VerboseOutput "Info" "Copied $line"
+	VerboseOutput 2 "Copied: $line"
 }
 
 CleanUp() {
-	VerboseOutput "Info" "Cleaning Up"
+	VerboseOutput 1 "Cleaning Up"
 	rm "/tmp/music-sync-filelist"
 	rm -rf "/tmp/converted"
-	VerboseOutput "Info" "Done"
+	VerboseOutput 1 "Done"
 }
 
 GetOptions $@