Swap i3blocks with polybar

polybar/scripts/cmus.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+cmusstatus=$(cmus-remote -C status)
+grep position <<< "$cmusstatus" 1>/dev/null 2>&1
+if [ ! $? -eq 0 ]; then exit; fi
+
+strindex() {
+  x="${1%%$2*}"
+  [[ "$x" = "$1" ]] && echo -1 || echo "${#x}"
+}
+
+prepend_zero () {
+    seq -f "%02g" $1 $1
+}
+
+get_all_but_first() {
+  shift
+  echo "$@"
+}
+
+get_stat() {
+  line=$(grep "$1" -m 1 <<< "$cmusstatus")
+  a=$(strindex "$line" "$1")
+  sub="${line:a}"
+  echo "$(get_all_but_first $sub)"
+}
+
+min_sec_from_sec() {
+  echo -n "$(prepend_zero $(($1 / 60))):$(prepend_zero $(($1 % 60)))"
+}
+
+echo -n "$(get_stat artist)  -  $(get_stat title)  [$(min_sec_from_sec $(get_stat position)) / $(min_sec_from_sec $(get_stat duration))]"