More log changes, add download-only option

README.md

@@ -4,13 +4,13 @@ A tool to play a plaintext playlist composed entirely of youtube-dl search queri
 
 ## Installation
 
-Put `ptgdp` somewhere in `$PATH` and install `youtube-dl`.
+Put `ptgdp` somewhere in `$PATH` and install youtube-dl. Additionally, you need some implementation of `pgrep`, which is probably already on your system, and Bash.
 
 ## Quickstart
 
 Make a file containing a few download queries. For example:
 
-    myplaylist.gdp
+    myplaylist
 
 ```
 alice in chains love hate love
@@ -20,7 +20,7 @@ tool parabola
 
 Then invoke `ptgdp`:
 
-    ptgdp myplaylist.gdp
+    ptgdp myplaylist
 
 See below for more intricate usage.
 

ptgdp

@@ -25,6 +25,7 @@ declare -A _config=(
 )
 declare _optconfigfile="${XDG_CONFIG_HOME:-$HOME/.config}/${_name}.conf"
 declare -i _optautoplay=0
+declare -i _optdlonly
 declare -i _opthelp
 declare -i _optverbose
 # Working variables
@@ -226,12 +227,14 @@ backend-execqueue() {
 			fi
 			;;
 	esac
+	if [ -z "$_optdlonly" ]; then
 		for song in "${_queue[@]}"; do
 			backend-enqueue "$song"
 		done
 		if [ "$_optautoplay" != "0" ]; then
 			backend-play
 		fi
+	fi
 }
 
 # Core program functions
@@ -242,6 +245,7 @@ Use youtube-dl and a music player to queue up or download a number of songs
 given plaintext files with only search queries
 
   -c [FILE]		Load the given file in place of the usual config file
+  -d			Download songs but don't queue them up
   -h			Print this help text
   -p			Play the queue after it's built
   -v			Print more status messages. Stacks
@@ -288,11 +292,14 @@ playlist() {
 # Main
 main() {
 	# Getopts before anything else
-	while getopts ":c:hpv" opt; do
+	while getopts ":c:dhpv" opt; do
 		case $opt in
 			c)
 				_optconfigfile="$OPTARG"
 				;;
+			d)
+				_optdlonly=1
+				;;
 			h)
 				_opthelp=1
 				;;
@@ -322,6 +329,8 @@ main() {
 				log "Setting $varname to $value" 2
 			fi
 		done < "$_optconfigfile"
+	else
+		warn "Could not find configuration file" 2
 	fi
 	# Store arguments
 	shift $((OPTIND - 1))
@@ -344,7 +353,7 @@ main() {
 				error "Missing dependency for backend ${_config[backend]}: $_return" 50
 				;;
 			*)
-				error "Dependency error: $errorcode: $_return" 50
+				error "Backend error: $errorcode: $_return" 50
 				;;
 		esac
 	fi
@@ -354,15 +363,15 @@ main() {
 
 	# Do the do
 	log "Validating dependencies" 2
-	if ! has youtube-dl; then
-		error "Failed to validate dependency on program: $_return" 1
+	if ! has youtube-dl pgrep; then
+		error "Failed to find program: $_return" 1
 	fi
 	if [ -n "${_args[*]}" ]; then
 		for arg in "${_args[@]}"; do
 			playlist "$arg"
 		done
 	else
-		log "Nothing to do"
+		warn "Nothing to do"
 		exit 0
 	fi
 }