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Cause:
Sudo word wrapping feature caused output to be wrapped at terminal width boundary even in output that was piped to an other command.
Consequence:
When piped to grep for example, the matching line could be displayed incomplete due to the output being wrapped by sudo before passing it to grep.
Fix:
Code was added to sudo to detect whether the output is a pipe and disabling the word wrapping feature if that's the case.
Result:
Sudo doesn't wrap the output if it goes to a pipe. Greping output from sudo works as expected.
Technical note added. If any revisions are required, please edit the "Technical Notes" field
accordingly. All revisions will be proofread by the Engineering Content Services team.
New Contents:
Cause:
Sudo word wrapping feature caused output to be wrapped at terminal width boundary even in output that was piped to an other command.
Consequence:
When piped to grep for example, the matching line could be displayed incomplete due to the output being wrapped by sudo before passing it to grep.
Fix:
Code was added to sudo to detect whether the output is a pipe and disabling the word wrapping feature if that's the case.
Result:
Sudo doesn't wrap the output if it goes to a pipe. Greping output from sudo works as expected.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
http://rhn.redhat.com/errata/RHBA-2012-0905.html
Technical note added. If any revisions are required, please edit the "Technical Notes" field accordingly. All revisions will be proofread by the Engineering Content Services team. New Contents: Cause: Sudo word wrapping feature caused output to be wrapped at terminal width boundary even in output that was piped to an other command. Consequence: When piped to grep for example, the matching line could be displayed incomplete due to the output being wrapped by sudo before passing it to grep. Fix: Code was added to sudo to detect whether the output is a pipe and disabling the word wrapping feature if that's the case. Result: Sudo doesn't wrap the output if it goes to a pipe. Greping output from sudo works as expected.