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# #! /bin/bash
# --------------------Smooth bars animation with 1-2% increase in CPU usage -------------------
# 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 $dict
# done
# --------------------Optimized bars animation with 1-2% increase in CPU usage -------------------
bar="▁▂▃▄▅▆▇█"
dict="s/;//g"
# Calculate the length of the bar outside the loop
bar_length=${#bar}
# Create dictionary to replace char with bar
for ((i = 0; i < bar_length; i++)); do
dict+=";s/$i/${bar:$i:1}/g"
done
# Create cava config
config_file="/tmp/polybar_cava_config"
cat >"$config_file" <<EOF
[general]
bars = 10
[output]
method = raw
raw_target = /dev/stdout
data_format = ascii
ascii_max_range = 7
EOF
# Read stdout from cava and perform substitution in a single sed command
cava -p "$config_file" | sed -u "$dict"
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