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<HTML><!--Distributed by F --><HEAD><TITLE>[Chapter 43] 43.6 Printing to a Terminal Printer </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="1998-10-23T15:51:45Z"><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="ch43_01.htm"TITLE="43. Printing"><LINKREL="prev"HREF="ch43_05.htm"TITLE="43.5 Using Symbolic Links for Spooling "><LINKREL="next"HREF="ch43_07.htm"TITLE="43.7 Quick-and-Dirty Formatting Before Printing "></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="ch43_05.htm"TITLE="43.5 Using Symbolic Links for Spooling "><IMGSRC="gifs/txtpreva.gif"SRC="gifs/txtpreva.gif"ALT="Previous: 43.5 Using Symbolic Links for Spooling "BORDER="0"></A></TD><TDALIGN="CENTER"VALIGN="TOP"WIDTH="171"><B><FONTFACE="ARIEL,HELVETICA,HELV,SANSERIF"SIZE="-1">Chapter 43<BR>Printing</FONT></B></TD><TDALIGN="RIGHT"VALIGN="TOP"WIDTH="172"><ACLASS="SECT1"HREF="ch43_07.htm"TITLE="43.7 Quick-and-Dirty Formatting Before Printing "><IMGSRC="gifs/txtnexta.gif"SRC="gifs/txtnexta.gif"ALT="Next: 43.7 Quick-and-Dirty Formatting Before Printing "BORDER="0"></A></TD></TR></TABLE> <HRALIGN="LEFT"WIDTH="515"TITLE="footer"></DIV><DIVCLASS="SECT1"><H2CLASS="sect1"><ACLASS="title"NAME="UPT-ART-0055">43.6 Printing to a Terminal Printer </A></H2><PCLASS="para"><ACLASS="indexterm"NAME="AUTOID-47732"></A>Does your terminal have an extra port on the back for plugging in a printer?You might be able to hook up a serial printer to the port.Then you can make a little shell script named something like <EMCLASS="emphasis">myprint</EM>and use it this way:</P><PCLASS="para"><BLOCKQUOTECLASS="screen"><PRECLASS="screen">% <CODECLASS="userinput"><B>myprint </B></CODE><CODECLASS="replaceable"><I>somefile</I></CODE>% <CODECLASS="replaceable"><I>someprogram</I></CODE><CODECLASS="userinput"><B> | myprint</B></CODE></PRE></BLOCKQUOTE></P><PCLASS="para"> The <EMCLASS="emphasis">myprint</EM> shell script can be as simple as this:</P><PCLASS="para"><BLOCKQUOTECLASS="screen"><PRECLASS="screen">echo "\033[5i\c"cat $*echo "\033[4i\c"</PRE></BLOCKQUOTE></P><PCLASS="para">or this:</P><PCLASS="para"><BLOCKQUOTECLASS="screen"><PRECLASS="screen">escape=`echo -n e | tr e '\033'`echo -n "$escape[5i"cat $*echo -n "$escape[4i"</PRE></BLOCKQUOTE></P><PCLASS="para">depending on<SPANCLASS="link"> what version of <EMCLASS="emphasis">echo</EM> your UNIX has . (<ACLASS="linkend"HREF="ch46_10.htm"TITLE="A Portable echo Command ">46.10</A>)</SPAN>Your terminal may need different escape sequences; these are for aVT100-compatible terminal.(Articles<ACLASS="xref"HREF="ch41_10.htm"TITLE="Using terminfo Capabilities in Shell Programs ">41.10</A>and<ACLASS="xref"HREF="ch05_02.htm"TITLE="The Idea of a Terminal Database ">5.2</A>can help.)Some terminals may require a newline after the escape sequences;if yours doesn't work, try the <EMCLASS="emphasis">echo</EM> commands without the <CODECLASS="literal">/c</CODE>or <CODECLASS="literal">-n</CODE>.If your printer seems to lose characters, you may haveflow-control problems.Try using a slower data rate to the terminal.</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="ch43_05.htm"TITLE="43.5 Using Symbolic Links for Spooling "><IMGSRC="gifs/txtpreva.gif"SRC="gifs/txtpreva.gif"ALT="Previous: 43.5 Using Symbolic Links for Spooling "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="ch43_07.htm"TITLE="43.7 Quick-and-Dirty Formatting Before Printing "><IMGSRC="gifs/txtnexta.gif"SRC="gifs/txtnexta.gif"ALT="Next: 43.7 Quick-and-Dirty Formatting Before Printing "BORDER="0"></A></TD></TR><TR><TDALIGN="LEFT"VALIGN="TOP"WIDTH="172">43.5 Using Symbolic Links for Spooling </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">43.7 Quick-and-Dirty Formatting Before Printing </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
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