Updated docs

music-sync.sh

@@ -1,4 +1,38 @@
 #!/bin/bash
+#
+#/
+#/ Usage:
+#/ music-sync <options> -s|--source <source> -d|--dest <destination>
+#/ music-sync <options> <source> <destination>
+#/ 
+#/ Syncronises music from one folder to another.
+#/ 
+#/ Options:
+#/  -s, --source <source>      The source folder of the music
+#/  -d, --dest <destination>   The destination folder of the music
+#/  -t, --temp <folder>        The temporary cache for converted files (default: /tmp/converted)
+#/  -c, --convert <bitrate>    Convert files to a given bitrate in kbps before syncing (default: 192)
+#/  -a, --resize-art <width>   Resize album-art before syncing (default width: 200)
+#/  -j, --jobs <nproc>         Number of processes to use in multi-threading (default: CPU_CORES - 2)
+#/  -v, --verbose <0-6>        Set log level (default: 2)
+#/  -h, --help                 Display this help text
+#/ 
+#/ Log levels:
+#/  0 | Verbose
+#/  1 | Debug
+#/  2 | Info
+#/  3 | Warning
+#/  4 | Error
+#/  5 | Fatal
+#/  6 | Silence
+#/ 
+#/ Exit Codes:
+#/  1 Dependencies not met
+#/  2 Invalid Argument
+#/  3 Source Unreachable
+#/  4 Destination Unreachable
+#/  5 Command failed
+#/
 
 begin=$(date +"%s")
 # saner programming env: these switches turn some bugs into errors
@@ -14,6 +48,8 @@ convertart=false
 coverartsize=200
 jobcount="-2"
 multithread=false
+script_name=$(basename "${0}")
+script_dir=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
 
 CheckDeps() {
 	if [[ $1 == 0 ]]; then
@@ -198,38 +234,7 @@ GetOptions() {
 }
 
 Usage() {
-	echo ""
+	grep '^#/' "${script_dir}/${script_name}" | sed 's/^#\/\w*//'
-	echo "Usage:"
-	echo "music-sync <options> -s|--source <source> -d|--dest <destination>"
-	echo "music-sync <options> <source> <destination>"
-	echo ""
-	echo "Syncronises music from one folder to another."
-	echo ""
-	echo "Options:"
-	echo " -s, --source <source>      The source folder of the music"
-	echo " -d, --dest <destination>   The destination folder of the music"
-	echo " -t, --temp <folder>        The temporary cache for converted files (default: /tmp/converted)"
-	echo " -c, --convert <bitrate>    Convert files to a given bitrate in kbps before syncing (default: 192)"
-	echo " -a, --resize-art <width>   Resize album-art before syncing (default width: 200)"
-	echo " -v, --verbose <0-6>        Set log level (default: 2)"
-	echo " -h, --help                 Display this help text"
-	echo ""
-	echo "Log levels:"
-	echo " 0 | Verbose"
-	echo " 1 | Debug"
-	echo " 2 | Info"
-	echo " 3 | Warning"
-	echo " 4 | Error"
-	echo " 5 | Fatal"
-	echo " 6 | Silence"
-	echo ""
-	echo "Exit Codes:"
-	echo " 1 Dependencies not met"
-	echo " 2 Invalid Argument"
-	echo " 3 Source Unreachable"
-	echo " 4 Destination Unreachable"
-	echo " 5 Command failed"
-	echo ""
 }
 
 VerboseOutput() {