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#!/usr/bin/env bash
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cpu() {
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bc<<<"scale=3;$(ps aux | awk 'BEGIN {sum=0} {sum+=$3}; END {print sum}') / $(nproc --all)"
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}
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ram() {
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free -h | sed '2!d' | (read _ _ used _; echo $used)
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}
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bat() {
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acpi -b | sed 's/Battery /BAT/'
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}
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echo "$(cpu)% $(ram) $(bat)"
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