sh: Add a test that 'read' leaves the file pointer at the correct place.
Naive buffering would break the common while read x... construct, which did not appear to be tested yet.
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=212187
31
tools/regression/bin/sh/builtins/read2.0
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31
tools/regression/bin/sh/builtins/read2.0
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@ -0,0 +1,31 @@
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# $FreeBSD$
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set -e
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{
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echo 1
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echo two
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echo three
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} | {
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read x
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[ "$x" = 1 ]
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(read x
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[ "$x" = two ])
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read x
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[ "$x" = three ]
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}
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T=`mktemp sh-test.XXXXXX`
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trap 'rm -f "$T"' 0
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{
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echo 1
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echo two
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echo three
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} >$T
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{
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read x
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[ "$x" = 1 ]
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(read x
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[ "$x" = two ])
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read x
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[ "$x" = three ]
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} <$T
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