19 lines
528 B
Plaintext
19 lines
528 B
Plaintext
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#!/bin/sh
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# adapted from other script i wrote, also in the public domain
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if [ "$(uname)" = "Linux" ]; then
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# this is a dirty hack.
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# acpi | awk '{print $4}' will print the battery percentage,
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# and s/,$// strips the trailing comma.
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printf "%s\n" "$(acpi | awk '{print $4}' | sed 's/,$//')"
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elif [ "$(uname)" = "NetBSD" ]; then
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printf "%s\n" "$(envstat -s acpibat0:charge \
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| sed 1,2d \
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| cut -d ':' -f 2 \
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| awk '{print $1}' \
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| cut -d '.' -f 1)"
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else
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printf "%s: unsupported system\n" "$(uname)" 1>&2
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exit 1
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fi
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