12 lines
256 B
Plaintext
12 lines
256 B
Plaintext
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#!/bin/sh
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case $1 in
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stop) rm -f /tmp/timer.txt \
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&& echo stopped
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;;
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*) [ -f /tmp/timer.txt ] \
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&& echo $(( $(date +%s) - $(</tmp/timer.txt) )) \
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|| ( date +%s > /tmp/timer.txt && echo started )
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;;
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esac
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