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34 lines
808 B
34 lines
808 B
4 years ago
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#!/bin/bash
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# Generate 100 matching
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bound=$1
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ITERATIONS=${ITERATIONS:-100}
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BREAK_AT=50
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cd $2 || exit 1
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echo ">>> Generating ${ITERATIONS} matching files"
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mkdir matching
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dd if=/dev/urandom of=./matching/0 bs=$bound count=1 >> /dev/null 2>&1 || exit 1
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pushd matching >>/dev/null
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for i in $(seq 1 ${ITERATIONS}); do
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cp -f 0 $i || exit 1
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done
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popd >>/dev/null
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echo ">>> Generatig ${ITERATIONS} with unmatching file"
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mkdir unmatching
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dd if=/dev/urandom of=./unmatching/0 bs=$bound count=1 >> /dev/null 2>&1 || exit 1
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pushd unmatching >> /dev/null
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for i in $(seq 1 ${ITERATIONS}); do
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if [[ $i == ${BREAK_AT} ]]; then
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echo " $i < unmatching"
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dd if=/dev/urandom of=$i bs=$bound count=1 >>/dev/null 2>&1 || exit
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else
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cp -f 0 $i || exit 1
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fi
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done
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popd >> /dev/null
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echo ">>> Generated in $2"
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