feat: add printer cups in bar

waybar/.config/waybar/scripts/print-queue.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env sh
+
+jobs_output="$(lpstat -o 2>/dev/null)"
+status=$?
+
+if [ "$status" -ne 0 ]; then
+  printf '%s\n' '{"text":"󰐪 n/a","class":"disabled","tooltip":"CUPS is unavailable"}'
+  exit 0
+fi
+
+if [ -z "$jobs_output" ]; then
+  printf '%s\n' '{"text":"","class":"idle","tooltip":"No print jobs queued"}'
+  exit 0
+fi
+
+job_count="$(printf '%s\n' "$jobs_output" | sed '/^[[:space:]]*$/d' | wc -l | tr -d ' ')"
+
+if [ "$job_count" = "1" ]; then
+  tooltip="1 print job queued"
+else
+  tooltip="$job_count print jobs queued"
+fi
+
+printf '{"text":"󰐪 %s","class":"active","tooltip":"%s"}\n' "$job_count" "$tooltip"