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useful for testing "streaming" file writes and watching cpu usage in htop

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test-writes.sh
Shell
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#!/bin/bash
#
# `msleep` is available at https://github.com/coolaj86/msleep-commandline
 
SIZE=${1}
LOCATION=${2}
DATFILE=~/data.tmp
if [ ! -n "${SIZE}" ]
then
SIZE=512K
fi
if [ ! -n "${LOCATION}" ]
then
LOCATION=/dev/shm
fi
 
dd if=/dev/zero of=${DATFILE} bs=${SIZE} count=1
while true
do
msleep 128
cp ${DATFILE} ${LOCATION}
done

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