Author: jilles
Date: Fri Sep 3 21:17:33 2010
New Revision: 212187
URL: http://svn.freebsd.org/changeset/base/212187
Log:
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.
Added:
head/tools/regression/bin/sh/builtins/read2.0 (contents, props changed)
Added: head/tools/regression/bin/sh/builtins/read2.0
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/tools/regression/bin/sh/builtins/read2.0 Fri Sep 3 21:17:33
2010 (r212187)
@@ -0,0 +1,31 @@
+# $FreeBSD$
+
+set -e
+{
+ echo 1
+ echo two
+ echo three
+} | {
+ read x
+ [ "$x" = 1 ]
+ (read x
+ [ "$x" = two ])
+ read x
+ [ "$x" = three ]
+}
+
+T=`mktemp sh-test.XXXXXX`
+trap 'rm -f "$T"' 0
+{
+ echo 1
+ echo two
+ echo three
+} >$T
+{
+ read x
+ [ "$x" = 1 ]
+ (read x
+ [ "$x" = two ])
+ read x
+ [ "$x" = three ]
+} <$T
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