K 10
svn:author
V 6
jilles
K 8
svn:date
V 27
2010-12-31T18:20:17.925744Z
K 7
svn:log
V 174
sh: Check if dup2 for redirection from/to a file succeeds.

A failure (e.g. caused by ulimit -n being set very low) is a redirection
error.

Example:
  ulimit -n 9; exec 9<.

END