28 lines
869 B
Bash
28 lines
869 B
Bash
#!/bin/sh
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FPREFIX="tmp-lzc"
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set -e
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remove () {
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rm $FPREFIX*
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}
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trap remove EXIT
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set -x
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datagen -g15M > $FPREFIX
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lz4 -v $FPREFIX -c | lz4 -t
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lz4 -v --content-size $FPREFIX -c | lz4 -d > $FPREFIX-dup
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diff $FPREFIX $FPREFIX-dup
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lz4 -f $FPREFIX -c > $FPREFIX.lz4 # compressed with content size
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lz4 --content-size $FPREFIX -c > $FPREFIX-wcz.lz4
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diff $FPREFIX.lz4 $FPREFIX-wcz.lz4 && exit 1 # must differ, due to content size
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lz4 --content-size < $FPREFIX > $FPREFIX-wcz2.lz4 # can determine content size because stdin is just a file
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diff $FPREFIX-wcz.lz4 $FPREFIX-wcz2.lz4 # both must contain content size
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cat $FPREFIX | lz4 > $FPREFIX-ncz.lz4
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diff $FPREFIX.lz4 $FPREFIX-ncz.lz4 # both don't have content size
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cat $FPREFIX | lz4 --content-size > $FPREFIX-ncz2.lz4 # can't determine content size
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diff $FPREFIX.lz4 $FPREFIX-ncz2.lz4 # both don't have content size
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