📄 ch30_20.htm

📁 the unix power tools
💻 HTM
字号:
<HTML><!--Distributed by F --><HEAD><TITLE>[Chapter 30] 30.20 Multiple Editor Setup Files; Starting with a Search </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="1998-08-04T21:45:34Z"><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_19.htm"TITLE="30.19 Modelines: Bug or Feature?"><LINKREL="next"HREF="ch30_21.htm"TITLE="30.21 Per File Setups in Separate Files "></HEAD><BODYBGCOLOR="#FFFFFF"TEXT="#000000"><DIVCLASS="htmlnav"><H1><IMGSRC="gifs/smbanner.gif"ALT="UNIX Power Tools"USEMAP="#srchmap"BORDER="0"></H1><MAPNAME="srchmap"><AREASHAPE="RECT"COORDS="0,0,466,58"HREF="index.htm"ALT="UNIX Power Tools"><AREASHAPE="RECT"COORDS="467,0,514,18"HREF="jobjects/fsearch.htm"ALT="Search this book"></MAP><TABLEWIDTH="515"BORDER="0"CELLSPACING="0"CELLPADDING="0"><TR><TDALIGN="LEFT"VALIGN="TOP"WIDTH="172"><ACLASS="SECT1"HREF="ch30_19.htm"TITLE="30.19 Modelines: Bug or Feature?"><IMGSRC="gifs/txtpreva.gif"SRC="gifs/txtpreva.gif"ALT="Previous: 30.19 Modelines: Bug or Feature?"BORDER="0"></A></TD><TDALIGN="CENTER"VALIGN="TOP"WIDTH="171"><B><FONTFACE="ARIEL,HELVETICA,HELV,SANSERIF"SIZE="-1">Chapter 30<BR>vi Tips and Tricks</FONT></B></TD><TDALIGN="RIGHT"VALIGN="TOP"WIDTH="172"><ACLASS="SECT1"HREF="ch30_21.htm"TITLE="30.21 Per File Setups in Separate Files "><IMGSRC="gifs/txtnexta.gif"SRC="gifs/txtnexta.gif"ALT="Next: 30.21 Per File Setups in Separate Files "BORDER="0"></A></TD></TR></TABLE>&nbsp;<HRALIGN="LEFT"WIDTH="515"TITLE="footer"></DIV><DIVCLASS="SECT1"><H2CLASS="sect1"><ACLASS="title"NAME="UPT-ART-0132">30.20 Multiple Editor Setup Files; Starting with a Search </A></H2><PCLASS="para">[This article shows <ICLASS="filename">vi</I>, but the same thing will work for othereditors that read a setup file when they start up. -JP]</P><PCLASS="para"><ACLASS="indexterm"NAME="AUTOID-33643"></A><ACLASS="indexterm"NAME="AUTOID-33646"></A>Like many people, I want different <EMCLASS="emphasis">vi</EM> options set for writing a programthan for working on a text file. Here's how I do it.</P><PCLASS="para">Instead of putting<SPANCLASS="link">mode lines (<ACLASS="linkend"HREF="ch30_19.htm"TITLE="Modelines: Bug or Feature?">30.19</A>)</SPAN>within each file, or writing<SPANCLASS="link">extensions to the filenames (<ACLASS="linkend"HREF="ch30_21.htm"TITLE="Per File Setups in Separate Files ">30.21</A>)</SPAN>,I've got several different<SPANCLASS="link"><EMCLASS="emphasis">.exrc</EM> (<ACLASS="linkend"HREF="ch30_06.htm"TITLE="Local Settings for vi and ex ">30.6</A>)</SPAN>startup files... onefor each <EMCLASS="emphasis">vi</EM> mode I'd like to use.I have<SPANCLASS="link">aliases (<ACLASS="linkend"HREF="ch10_02.htm"TITLE="Aliases for Common Commands ">10.2</A>)</SPAN>that let me select the <EMCLASS="emphasis">.exrc</EM> file I want.And I have <EMCLASS="emphasis">vi</EM> aliased so that, when I start it up, it tells mewhich <EMCLASS="emphasis">.exrc</EM> file is in use.Here are the lines (with comments) from my<SPANCLASS="link"><EMCLASS="emphasis">.cshrc</EM> (<ACLASS="linkend"HREF="ch02_01.htm#UPT-ART-4790"TITLE="Customizing the Shell ">2.1</A>)</SPAN>file (the CD-ROM has a set for Bourne-type shells):</P><PCLASS="para"><TABLECLASS="screen.co"BORDER="1"><TR><THVALIGN="TOP"><PRECLASS="calloutlist">&#13;<ACLASS="co"HREF="ch14_11.htm"TITLE="14.11 Finding (Anyone's) Home Directory, Quickly ">~</A> <ACLASS="co"HREF="ch06_01.htm"TITLE="6.1 What Environment Variables Are Good For ">setenv</A> <ACLASS="co"HREF="ch10_03.htm"TITLE="10.3 C Shell Aliases with Command-Line Arguments ">\!*</A> <ACLASS="co"HREF="ch40_02.htm"TITLE="40.2 Waiting a Little While: sleep ">sleep</A> &#13;</PRE></TH><TDVALIGN="TOP"><PRECLASS="screen">&#13;setenv EXSTAT text        # INITIALIZATION FOR 'vi' ALIAS        # -- THESE ALIASES RESET THE .exrc FILE -- ## SET 'vi' FOR 4-CHARACTER TABS/SHIFTS:alias 4vi 'cp ~/lib/vi/exrc4 ~/.exrc; setenv EXSTAT programming'# SET 'vi' FOR 8-CHARACTER TABS/SHIFTS:alias 8vi 'cp ~/lib/vi/exrc8 ~/.exrc; setenv EXSTAT text'# SET 'vi' FOR QUICK WORK WHEN SYSTEM IS SLOW (NO .exrc FILE):alias qvi 'rm ~/.exrc; setenv EXSTAT quick'   # -- THESE ARE THE vi ALIASES. ONE SETS THE vi MODE FIRST -- #alias vi 'echo &quot;MODE: $EXSTAT&quot;; sleep 1; /usr/ucb/vi \!*'# CALL vi WITH A SEARCH:alias vs '8vi; vi +/\!*'</PRE></TD></TR></TABLE></P><PCLASS="para"><ACLASS="indexterm"NAME="AUTOID-33671"></A>The <EMCLASS="emphasis">EXSTAT</EM> variable remembers which setup file has been stored inthe <EMCLASS="emphasis">.exrc</EM> file. Also, becauseyou can't start <EMCLASS="emphasis">vi</EM> with a search (<CODECLASS="literal">vi +/PATTERN</CODE>) unlessthe <EMCLASS="emphasis">wrapscan</EM> option has been set... so, I start the <EMCLASS="emphasis">vs</EM>alias with an <CODECLASS="literal">8vi</CODE> because my <EMCLASS="emphasis">exrc8</EM> file sets <EMCLASS="emphasis">wrapscan</EM>.Here's an example. I'll edit the file <EMCLASS="emphasis">report</EM> and search for a linethat has the word <EMCLASS="emphasis">misteak</EM>:</P><PCLASS="para"><BLOCKQUOTECLASS="screen"><PRECLASS="screen">% <CODECLASS="userinput"><B>vs misteak report</B></CODE>MODE: text&quot;report&quot; 45 lines, 2734 characters</PRE></BLOCKQUOTE></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_19.htm"TITLE="30.19 Modelines: Bug or Feature?"><IMGSRC="gifs/txtpreva.gif"SRC="gifs/txtpreva.gif"ALT="Previous: 30.19 Modelines: Bug or Feature?"BORDER="0"></A></TD><TDALIGN="CENTER"VALIGN="TOP"WIDTH="171"><ACLASS="book"HREF="index.htm"TITLE="UNIX Power Tools"><IMGSRC="gifs/txthome.gif"SRC="gifs/txthome.gif"ALT="UNIX Power Tools"BORDER="0"></A></TD><TDALIGN="RIGHT"VALIGN="TOP"WIDTH="172"><ACLASS="SECT1"HREF="ch30_21.htm"TITLE="30.21 Per File Setups in Separate Files "><IMGSRC="gifs/txtnexta.gif"SRC="gifs/txtnexta.gif"ALT="Next: 30.21 Per File Setups in Separate Files "BORDER="0"></A></TD></TR><TR><TDALIGN="LEFT"VALIGN="TOP"WIDTH="172">30.19 Modelines: Bug or Feature?</TD><TDALIGN="CENTER"VALIGN="TOP"WIDTH="171"><ACLASS="index"HREF="index/idx_0.htm"TITLE="Book Index"><IMGSRC="gifs/index.gif"SRC="gifs/index.gif"ALT="Book Index"BORDER="0"></A></TD><TDALIGN="RIGHT"VALIGN="TOP"WIDTH="172">30.21 Per File Setups in Separate Files </TD></TR></TABLE><HRALIGN="LEFT"WIDTH="515"TITLE="footer"><IMGSRC="gifs/smnavbar.gif"SRC="gifs/smnavbar.gif"USEMAP="#map"BORDER="0"ALT="The UNIX CD Bookshelf Navigation"><MAPNAME="map"><AREASHAPE="RECT"COORDS="0,0,73,21"HREF="../index.htm"ALT="The UNIX CD Bookshelf"><AREASHAPE="RECT"COORDS="74,0,163,21"HREF="index.htm"ALT="UNIX Power Tools"><AREASHAPE="RECT"COORDS="164,0,257,21"HREF="../unixnut/index.htm"ALT="UNIX in a Nutshell"><AREASHAPE="RECT"COORDS="258,0,321,21"HREF="../vi/index.htm"ALT="Learning the vi Editor"><AREASHAPE="RECT"COORDS="322,0,378,21"HREF="../sedawk/index.htm"ALT="sed &amp; awk"><AREASHAPE="RECT"COORDS="379,0,438,21"HREF="../ksh/index.htm"ALT="Learning the Korn Shell"><AREASHAPE="RECT"COORDS="439,0,514,21"HREF="../lrnunix/index.htm"ALT="Learning the UNIX Operating System"></MAP></DIV></BODY></HTML>
⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -