Patch (Unix) - Wikipedia - Recent changes [en]

==Examples==

==Examples==

The following command creates a patch file, {{code|mods.diff}}, that encodes how to generate {{code|newFile}} from {{code|oldFile}}. The {{code|-u}} option selects to output in unified diff format.

The following command creates a patch file, {{code|patchFile}}, that encodes how to generate {{code|newFile}} from {{code|oldFile}}. The {{code|-u}} option selects to output in unified diff format.

<syntaxhighlight lang="console">

<syntaxhighlight lang="console">

$ diff -u oldFile newFile > mods.diff

$ diff -u oldFile newFile > patchFile

</syntaxhighlight>

</syntaxhighlight>

The following command applies the changes to the file identified in <code>mods.diff</code>.

The following command applies the changes to the file identified in <code>patchFile</code>.

<syntaxhighlight lang="console">

<syntaxhighlight lang="console">

$ patch < mods.diff

$ patch < patchFile

</syntaxhighlight>

</syntaxhighlight>

<syntaxhighlight lang="console">

<syntaxhighlight lang="console">

$ patch -R < mods.diff

$ patch -R < patchFile

</syntaxhighlight>

</syntaxhighlight>