#!/bin/bash
-# Desc: Writes stdin to disk every 5 minutes
-
-yell() { echo "[$(date --iso-8601=ns)]:$0: $*" >&2; } #o Yell, Die, Try Three-Fingered Claw technique
+# Desc: Writes stdin to disk every 5 seconds
+yell() { echo "$0: $*" >&2; } #o Yell, Die, Try Three-Fingered Claw technique
die() { yell "$*"; exit 111; } #o Ref/Attrib: https://stackoverflow.com/a/25515370
try() { "$@" || die "cannot $*"; } #o
-
declare -a buffer # Initialize buffer array
scriptTTL="15";
bufferTTL="5";
-
magicWriteBuffer() {
printf "%s\n" "${buffer[@]}" | cat | cat | cat >> /dev/shm/$(date +%s)..bkFreqWrite-output1.txt;
printf "%s\n" "${buffer[@]}" | cat | cat | cat >> /dev/shm/$(date +%s)..bkFreqWrite-output2.txt;
bufferTOD="$((SECONDS + $bufferTTL))";
lineCount=0;
# Consume stdin to fill buffer until buffer time-of-death (TOD) arrives
- while read -r line && [[ $SECONDS -lt "$bufferTOD" ]]; do
- # Append line to buffer
+ while read -r -t "$bufferTTL" line && [[ $SECONDS -lt "$bufferTOD" ]]; do
+ # Append line to buffer array
buffer+=("$line");
- echo "Processing line:$lineCount";
- echo "Current line :$line";
- echo "buf elem count :${#buffer[@]}";
+ echo "DEBUG:Processing line:$lineCount";
+ echo "DEBUG:Current line :$line";
+ echo "DEBUG:buf elem count :${#buffer[@]}";
((lineCount++));
done;
# Export buffer to asynchronous processing.
magicWriteBuffer &
- unset buffer;
+ unset buffer; # Clear buffer array for next bufferRound
# Increment buffer round
((bufferRound++));
done;