add np-subsonic

.config/zsh/functions/np-subsonic

@@ -0,0 +1,26 @@
+#!/usr/bin/env zsh
+# get now playing from subsonic compatible API
+# cfg file: host\nuser\password
+
+setopt LOCAL_OPTIONS ERR_RETURN NO_UNSET PIPE_FAIL
+
+local -a cfg
+while IFS=\n read -r line; do
+    cfg+=${line}
+done < ${XDG_CONFIG_HOME:-~/.config}/nc-subsonic.cfg
+
+local host=${cfg[1]}
+local api_version=1.16.1
+local useragent=np-hack
+local user=${cfg[2]}
+local password=${cfg[3]}
+local salt=$(pwgen 20 1)
+local token=$(print -n "${password}${salt}" | md5sum | cut -d' ' -f1)
+
+local response=$(curl --silent \
+    "${host}/rest/getNowPlaying?v=${api_version}&c=${useragent}&u=${user}&s=${salt}&t=${token}&f=json")
+local entry=$(jq '."subsonic-response".nowPlaying.entry[0]' <<<${response})
+local title=$(jq --raw-output .title <<< ${entry})
+local artist=$(jq --raw-output .artist <<< ${entry})
+
+print ${title} – ${artist}