31 lines
825 B
Plaintext
31 lines
825 B
Plaintext
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#!/bin/sh
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#
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# this daemon allows 'tail -f' on v86 files (which don't persist inode when updated
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# via javascript)
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# more info see: https://github.com/copy/v86/issues/1140
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#
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# Hopefully as V86 (or my understanding of it) matures, this will be no longer needed
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test -z $2 && { echo "usage: v86pipe <logfile> <namedpipe>"; exit 0; }
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# Start reading from the last line in the log file
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last_size=0
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LOG_FILE=$1
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LOG_PIPE=$2
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test -f $LOG_FILE || touch $LOG_FILE
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test -p $LOG_PIPE || mkfifo $LOG_PIPE
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while true; do
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# Get the current size of the file using wc -c (count bytes)
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current_size=$(wc -c < $LOG_FILE)
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test $current_size = $last_size || {
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cat $LOG_FILE > $LOG_PIPE
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truncate -s 0 $LOG_FILE
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}
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last_size=$current_size
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# Sleep for a moment to avoid excessive CPU usage
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sleep 0.2
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done
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