19 lines
503 B
Plaintext
19 lines
503 B
Plaintext
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#!/usr/bin/env sh
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# Benchmarking script using gnu date
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# can be used to output running time of script in milliseconds
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# usage: benchmark scripttorun
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#
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# Note: script itself uses roughly 1 millisecond (on my system), so subtract that
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# from https://unix.stackexchange.com/a/334152
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START=$(date +%s.%N)
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# do something #######################
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"$@" 1>/dev/null 2>/dev/null
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#######################################
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END=$(date +%s.%N)
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DIFF=$(echo "scale=3; (${END} - ${START})*1000/1" | bc)
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echo "${DIFF}"
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