29 lines
548 B
Bash
29 lines
548 B
Bash
#!/bin/sh
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#
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# Make sure -S stops at the given size.
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rm -f $TMP1 $TMP2 2>/dev/null
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# exit on non-zero return codes
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set -e
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# generate some data
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dd if=/dev/urandom of=$TMP1 bs=1024 count=10 2>/dev/null
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# read through pv and test afterwards
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$PROG -S -s 5120 -q $TMP1 > $TMP2
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CKSUM2=`cksum $TMP2 | awk '{print $1}'`
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# take the first 5120 bytes of TMP1 and cksum them
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rm -f $TMP2
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dd if=$TMP1 of=$TMP2 bs=1024 count=5 2>/dev/null
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CKSUM1=`cksum $TMP2 | awk '{print $1}'`
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test "x$CKSUM1" = "x$CKSUM2"
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# clean up
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rm -f $TMP1 $TMP2 2>/dev/null
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# EOF
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