K 10
svn:author
V 6
jilles
K 8
svn:date
V 27
2010-10-24T20:09:49.291479Z
K 7
svn:log
V 184
sh: Check whether dup2 was successful for >&FD and <&FD.

A failure (usually caused by FD not being open) is a redirection error.

Exp-run done by:	pav (with some other sh(1) changes)

END