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<HTML><!--Distributed by F --><HEAD><TITLE>[Chapter 30] 30.25 vi -r May not Write Recovered Buffer When You Exit </TITLE><METANAME="DC.title"CONTENT="UNIX Power Tools"><METANAME="DC.creator"CONTENT="Jerry Peek, Tim O'Reilly &amp; Mike Loukides"><METANAME="DC.publisher"CONTENT="O'Reilly &amp; Associates, Inc."><METANAME="DC.date"CONTENT="1998-08-04T21:45:44Z"><METANAME="DC.type"CONTENT="Text.Monograph"><METANAME="DC.format"CONTENT="text/html"SCHEME="MIME"><METANAME="DC.source"CONTENT="1-56592-260-3"SCHEME="ISBN"><METANAME="DC.language"CONTENT="en-US"><METANAME="generator"CONTENT="Jade 1.1/O'Reilly DocBook 3.0 to HTML 4.0"><LINKREV="made"HREF="mailto:online-books@oreilly.com"TITLE="Online Books Comments"><LINKREL="up"HREF="ch30_01.htm"TITLE="30. vi Tips and Tricks"><LINKREL="prev"HREF="ch30_24.htm"TITLE="30.24 vi/ex File Recovery vs. Networked Filesystems "><LINKREL="next"HREF="ch30_26.htm"TITLE="30.26 Shell Escapes: Running One UNIX Command While Using 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Another"><IMGSRC="gifs/txtnexta.gif"SRC="gifs/txtnexta.gif"ALT="Next: 30.26 Shell Escapes: Running One UNIX Command While Using Another"BORDER="0"></A></TD></TR></TABLE>&nbsp;<HRALIGN="LEFT"WIDTH="515"TITLE="footer"></DIV><DIVCLASS="SECT1"><H2CLASS="sect1"><ACLASS="title"NAME="UPT-ART-0144">30.25 vi -r May not Write Recovered Buffer When You Exit </A></H2><PCLASS="para">Usually, when you're editing a file with <EMCLASS="emphasis">vi</EM>, if you type thecommand <EMCLASS="emphasis">ZZ</EM>, it saves your file.But, on some versions of <EMCLASS="emphasis">vi</EM>, if you recover a file with<SPANCLASS="link"><EMCLASS="emphasis">vi -r</EM> (<ACLASS="linkend"HREF="ch30_24.htm"TITLE="vi/ex File Recovery vs. Networked Filesystems ">30.24</A>)</SPAN>,typing <EMCLASS="emphasis">ZZ</EM> may not save your edits!</P><PCLASS="para">That might be a good thing.When you recover a buffer, you need to decide whether the recoveredbuffer is really what you want.Maybe you've made other changes to the file since then.Maybe something went wrong as the buffer was being saved (say, the systemcrashed).You shouldn't just save without checking first.</P><PCLASS="para">You can use the <CODECLASS="literal">:w!</CODE> command to write the recovered version afteryou're sure that you want it.Use the <CODECLASS="literal">:q!</CODE> command if you don't want the recovered version.</P><DIVCLASS="sect1info"><PCLASS="SECT1INFO">- <SPANCLASS="authorinitials">JP</SPAN></P></DIV></DIV><DIVCLASS="htmlnav"><P></P><HRALIGN="LEFT"WIDTH="515"TITLE="footer"><TABLEWIDTH="515"BORDER="0"CELLSPACING="0"CELLPADDING="0"><TR><TDALIGN="LEFT"VALIGN="TOP"WIDTH="172"><ACLASS="SECT1"HREF="ch30_24.htm"TITLE="30.24 vi/ex File Recovery vs. Networked Filesystems "><IMGSRC="gifs/txtpreva.gif"SRC="gifs/txtpreva.gif"ALT="Previous: 30.24 vi/ex File Recovery vs. Networked Filesystems "BORDER="0"></A></TD><TDALIGN="CENTER"VALIGN="TOP"WIDTH="171"><ACLASS="book"HREF="index.htm"TITLE="UNIX Power 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