1.155.1. RHBA-2011:0397: sed bug fix update
An updated sed package that fixes two bugs is now available for Red Hat Enterprise Linux 5.
Sed is a stream or batch (non-interactive) editor. Sed takes text as input, performs an operation or set of operations on the text, and outputs the modified text.
This update fixes the following bugs:
* Due to an error in a symbolic link resolution, an attempt to use in-place substitution (that is, the "-i" command line option) with a symbolic link caused sed to fail with the following error:
sed: ck_follow_symlink: couldn't lstat [symbolic_link]/[original_file]: Not a directory
With this update, when a symbolic link is supplied, sed determines the original file path correctly. As a result, using the in-place substitution on symbolic links now works as expected. (BZ#490473
* Previously, when an input stream contained a wide character that ended with U+005C (that is, the '\' character), sed failed to process it and reported a syntax error. This update applies an upstream patch that ensures the wide characters are now processed as expected. Additionally, this update also prevents sed from entering an infinite loop while handling incomplete string sequences. (BZ#527427
All users of sed are advised to upgrade to this updated package, which fixes these bugs.