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fsgqa
38 lines
593 B
Bash
Executable File
38 lines
593 B
Bash
Executable File
#!/bin/sh -x
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#
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# Produces a .tar file (if one doesn't exist as $TARFILE), then
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# times how long it takes to untar it onto the current directory.
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#
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TARFILE=${TARFILE:=/var/tmp/bench.tar}
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barf()
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{
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echo $@ >2
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exit 1
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}
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new_tar()
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{
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source="bin sbin lib"
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if [ ! -f $TARFILE ]; then
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( cd / && tar cf $TARFILE $source ) || barf "tar c failed"
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fi
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}
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run_tar()
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{
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# %U=user %S=system %E=elapsed
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mkdir ./tar || exit 1
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cd tar
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/usr/bin/time -f '%U,%S,%E' tar xf $TARFILE || exit 1
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cd ..
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rm -fr ./tar || exit 1
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}
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if [ $# -gt 0 ]; then
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echo "user,system,elapsed"
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exit 0
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fi
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new_tar
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run_tar
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