diffutils: patch and Keyboard Input
10.11.2 Inhibiting Keyboard Input
---------------------------------
There are two ways you can prevent 'patch' from asking you any
questions. The '--force' ('-f') option assumes that you know what you
are doing. It causes 'patch' to do the following:
* Skip patches that do not contain file names in their headers.
* Patch files even though they have the wrong version for the
'Prereq:' line in the patch;
* Assume that patches are not reversed even if they look like they
are.
The '--batch' ('-t') option is similar to '-f', in that it suppresses
questions, but it makes somewhat different assumptions:
* Skip patches that do not contain file names in their headers (the
same as '-f').
* Skip patches for which the file has the wrong version for the
'Prereq:' line in the patch;
* Assume that patches are reversed if they look like they are.
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