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config/polybar/scripts/cava.sh

@@ -0,0 +1,29 @@
+#! /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
+
+# write cava config
+config_file="/tmp/polybar_cava_config"
+echo "
+[general]
+bars = 10
+
+[output]
+method = raw
+raw_target = /dev/stdout
+data_format = ascii
+ascii_max_range = 7
+" >$config_file
+
+# read stdout from cava
+cava -p $config_file | while read -r line; do
+  echo $line | sed $dict
+done