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#!/bin/bash |
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LOGFILE=log.log |
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RETAIN_NUM_LINES=10 |
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function logsetup { |
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TMP=$(tail -n $RETAIN_NUM_LINES $LOGFILE 2>/dev/null) && echo "${TMP}" > $LOGFILE |
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exec > >(tee -a $LOGFILE) |
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exec 2>&1 |
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} |
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function log { |
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echo "[$(date --rfc-3339=seconds)]: $*" |
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} |
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logsetup |
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log hello this is a log |
