better structure

config/eww/Main/scripts/cava

@@ -0,0 +1,40 @@
+#! /bin/bash
+
+
+bar="▁▂▃▄▅▆▇█"
+dict="s/;//g;"
+
+# creating "dictionary" to replace char with bar
+i=0
+while [ $i -lt ${#bar} ]
+do
+    dict="${dict}s/$i/${bar:$i:1}/g;"
+    i=$((i=i+1))
+done
+
+# make sure to clean pipe
+pipe="/tmp/cava.fifo"
+if [ -p $pipe ]; then
+    unlink $pipe
+fi
+mkfifo $pipe
+
+# write cava config
+config_file="/tmp/waybar_cava_config"
+echo "
+[general]
+bars = 30
+[output]
+method = raw
+raw_target = $pipe
+data_format = ascii
+ascii_max_range = 7
+" > $config_file
+
+# run cava in the background
+cava -p $config_file &
+
+# reading data from fifo
+while read -r cmd; do
+    echo $cmd | sed $dict
+done < $pipe