📄 ch09_09.htm
字号:
<HTML><!--Distributed by F --><HEAD><TITLE>[Chapter 9] 9.9 Don't Match Useless Files in Filename Completion </TITLE><METANAME="DC.title"CONTENT="UNIX Power Tools"><METANAME="DC.creator"CONTENT="Jerry Peek, Tim O'Reilly & Mike Loukides"><METANAME="DC.publisher"CONTENT="O'Reilly & Associates, Inc."><METANAME="DC.date"CONTENT="1998-08-04T21:35:01Z"><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="ch09_01.htm"TITLE="9. Saving Time on the Command Line"><LINKREL="prev"HREF="ch09_08.htm"TITLE="9.8 Filename Completion: Faster Filename Typing "><LINKREL="next"HREF="ch09_10.htm"TITLE="9.10 Filename Completion Isn't Always the Answer "></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="ch09_08.htm"TITLE="9.8 Filename Completion: Faster Filename Typing "><IMGSRC="gifs/txtpreva.gif"SRC="gifs/txtpreva.gif"ALT="Previous: 9.8 Filename Completion: Faster Filename Typing "BORDER="0"></A></TD><TDALIGN="CENTER"VALIGN="TOP"WIDTH="171"><B><FONTFACE="ARIEL,HELVETICA,HELV,SANSERIF"SIZE="-1">Chapter 9<BR>Saving Time on the Command Line</FONT></B></TD><TDALIGN="RIGHT"VALIGN="TOP"WIDTH="172"><ACLASS="SECT1"HREF="ch09_10.htm"TITLE="9.10 Filename Completion Isn't Always the Answer "><IMGSRC="gifs/txtnexta.gif"SRC="gifs/txtnexta.gif"ALT="Next: 9.10 Filename Completion Isn't Always the Answer "BORDER="0"></A></TD></TR></TABLE> <HRALIGN="LEFT"WIDTH="515"TITLE="footer"></DIV><DIVCLASS="SECT1"><H2CLASS="sect1"><ACLASS="title"NAME="UPT-ART-6860">9.9 Don't Match Useless Files in Filename Completion </A></H2><PCLASS="para"><ACLASS="indexterm"NAME="AUTOID-10221"></A>The shell variable <EMCLASS="emphasis">fignore</EM>(<EMCLASS="emphasis">FIGNORE</EM> in <EMCLASS="emphasis">bash</EM>) lets you tell the shell that youaren't interested in some files when using<SPANCLASS="link">filename completion (<ACLASS="linkend"HREF="ch09_08.htm"TITLE="Filename Completion: Faster Filename Typing ">9.8</A>)</SPAN>.For example, you are morelikely to refer to C language source files (whose names end with <EMCLASS="emphasis">.c</EM>)than object files(<EMCLASS="emphasis">.o</EM> files); you often need to edit your source files, whileyou may never need to look at your object modules. Set <EMCLASS="emphasis">fignore</EM>to the suffixes that you want to ignore. For example, to ignore <EMCLASS="emphasis">.o</EM> files in <EMCLASS="emphasis">tcsh</EM> and <EMCLASS="emphasis">csh</EM>, type:</P><PCLASS="para"><TABLECLASS="screen.co"BORDER="1"><TR><THVALIGN="TOP"><PRECLASS="calloutlist"><ACLASS="co"HREF="ch06_08.htm"TITLE="6.8 Shell Variables ">set</A> <ACLASS="co"HREF="ch47_05.htm"TITLE="47.5 Using C Shell Arrays ">( )</A> </PRE></TH><TDVALIGN="TOP"><PRECLASS="screen">% <CODECLASS="userinput"><B>set fignore=(.o)</B></CODE></PRE></TD></TR></TABLE></P><PCLASS="para">Once you've done this, file completion will ignore your <EMCLASS="emphasis">.o</EM>files when you press the <ACLASS="indexterm"NAME="AUTOID-10240"></A><ACLASS="indexterm"NAME="AUTOID-10243"></A>TAB key (ESC in <EMCLASS="emphasis">csh</EM>)-unlessa <EMCLASS="emphasis">.o</EM> file is the onlymatch it can find.</P><PCLASS="para">Most likely, there's a whole list of suffixes that you don't careabout: <EMCLASS="emphasis">.o</EM> (object modules), <EMCLASS="emphasis">.out</EM> (random executables), <EMCLASS="emphasis">.gz</EM> (<EMCLASS="emphasis">gzip</EM>pedfiles), and so on.Article<ACLASS="xref"HREF="ch01_17.htm"TITLE="Filename Extensions ">1.17</A>has a list of them.Here's how to set <EMCLASS="emphasis">fignore</EM> to a list offilenames:</P><PCLASS="para"><BLOCKQUOTECLASS="screen"><PRECLASS="screen">% <CODECLASS="userinput"><B>set fignore=(.o .out .gz)</B></CODE> <ICLASS="lineannotation">...tcsh, csh</I>$ <CODECLASS="userinput"><B>FIGNORE='.o:.out:.gz'</B></CODE> <ICLASS="lineannotation">...bash</I></PRE></BLOCKQUOTE></P><PCLASS="para"><EMCLASS="emphasis">fignore</EM> has no effect when you press CTRL-dto get a listing of the files that match in <EMCLASS="emphasis">csh</EM> and <EMCLASS="emphasis">tcsh</EM>.Those shells always give you acomplete list of all possible completions.</P><DIVCLASS="sect1info"><PCLASS="SECT1INFO">- <SPANCLASS="authorinitials">ML</SPAN>, <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="ch09_08.htm"TITLE="9.8 Filename Completion: Faster Filename Typing "><IMGSRC="gifs/txtpreva.gif"SRC="gifs/txtpreva.gif"ALT="Previous: 9.8 Filename Completion: Faster Filename Typing "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="ch09_10.htm"TITLE="9.10 Filename Completion Isn't Always the Answer "><IMGSRC="gifs/txtnexta.gif"SRC="gifs/txtnexta.gif"ALT="Next: 9.10 Filename Completion Isn't Always the Answer "BORDER="0"></A></TD></TR><TR><TDALIGN="LEFT"VALIGN="TOP"WIDTH="172">9.8 Filename Completion: Faster Filename Typing </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">9.10 Filename Completion Isn't Always the Answer </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 & 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 + -