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<HTML><!--Distributed by F --><HEAD><TITLE>[Chapter 48] 48.2 Online Phone and Address Lists </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="1998-10-23T15:55:23Z"><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="ch48_01.htm"TITLE="48. Office Automation"><LINKREL="prev"HREF="ch48_01.htm"TITLE="48.1 Well, What Else Could We Call It? "><LINKREL="next"HREF="ch48_03.htm"TITLE="48.3 A Scratchpad on Your Screen "></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="ch48_01.htm"TITLE="48.1 Well, What Else Could We Call It? "><IMGSRC="gifs/txtpreva.gif"SRC="gifs/txtpreva.gif"ALT="Previous: 48.1 Well, What Else Could We Call It? "BORDER="0"></A></TD><TDALIGN="CENTER"VALIGN="TOP"WIDTH="171"><B><FONTFACE="ARIEL,HELVETICA,HELV,SANSERIF"SIZE="-1">Chapter 48<BR>Office Automation</FONT></B></TD><TDALIGN="RIGHT"VALIGN="TOP"WIDTH="172"><ACLASS="SECT1"HREF="ch48_03.htm"TITLE="48.3 A Scratchpad on Your Screen "><IMGSRC="gifs/txtnexta.gif"SRC="gifs/txtnexta.gif"ALT="Next: 48.3 A Scratchpad on Your Screen "BORDER="0"></A></TD></TR></TABLE> <HRALIGN="LEFT"WIDTH="515"TITLE="footer"></DIV><DIVCLASS="SECT1"><H2CLASS="sect1"><ACLASS="title"NAME="UPT-ART-6080">48.2 Online Phone and Address Lists </A></H2><PCLASS="para"><ACLASS="indexterm"NAME="AUTOID-57596"></A><ACLASS="indexterm"NAME="AUTOID-57598"></A>Here's a useful little shell script that we've used at O'Reilly &Associates. If you run it as <EMCLASS="emphasis">phone</EM>, it gives you peoples' phonenumbers - it searches files named <EMCLASS="emphasis">phone</EM> in your home directoryand in a system location. If you run it as <EMCLASS="emphasis">address</EM>, it does thesame thing for files named <EMCLASS="emphasis">address</EM>. Lines from the system fileare labeled <CODECLASS="literal">sys></CODE>; lines from your personal file are marked<CODECLASS="literal">pers></CODE>. For example:</P><PCLASS="para"><BLOCKQUOTECLASS="screen"><PRECLASS="screen">% <CODECLASS="userinput"><B>phone tom</B></CODE>pers>Tom VW's mother, Barbara Van Winkel in Vermont 802-842-1212pers>Tom Christiansen [5/10/92] 201/555-1212sys>Flitecom (Dave Stevens, Tom Maddy) (301) 588-1212</PRE></BLOCKQUOTE></P><PCLASS="para"><ACLASS="indexterm"NAME="AUTOID-57610"></A><ACLASS="indexterm"NAME="AUTOID-57613"></A><ACLASS="indexterm"NAME="AUTOID-57616"></A><ACLASS="indexterm"NAME="AUTOID-57619"></A><ACLASS="indexterm"NAME="AUTOID-57622"></A><ACLASS="indexterm"NAME="AUTOID-57625"></A><ACLASS="indexterm"NAME="AUTOID-57628"></A><ACLASS="indexterm"NAME="AUTOID-57631"></A>The script uses<SPANCLASS="link"><EMCLASS="emphasis">egrep</EM> (<ACLASS="linkend"HREF="ch27_05.htm"TITLE="Extended Searching for Text with egrep ">27.5</A>)</SPAN>to search the file; the <EMCLASS="emphasis">egrep -i</EM> option means you can type<CODECLASS="literal">tom</CODE> and the script will find lines with either <EMCLASS="emphasis">Tom</EM> or<EMCLASS="emphasis">tom</EM> (or <EMCLASS="emphasis">TOM</EM> or...). The two names for this script areboth<SPANCLASS="link">links (<ACLASS="linkend"HREF="ch18_03.htm"TITLE="Files with Two or More Names">18.3</A>)</SPAN>to the same file. Of course, you can adapt the script for thingsbesides phone numbers and addresses.</P><PCLASS="para"><TABLECLASS="screen.co"BORDER="1"><TR><THVALIGN="TOP"><PRECLASS="calloutlist"> <ACLASS="co"HREF="ch44_20.htm"TITLE="44.20 test: Testing Files and Strings ">test</A> <ACLASS="co"HREF="ch21_07.htm"TITLE="21.7 Setting File Modification Time with touch ">touch</A> <ACLASS="co"HREF="ch44_15.htm"TITLE="44.15 Handling Command-Line Arguments in Shell Scripts ">$#</A> </PRE></TH><TDVALIGN="TOP"><PRECLASS="screen"><ACLASS="indexterm"NAME="AUTOID-57644"></A>#!/bin/sh# LINK BOTH THE phone AND address SCRIPTS TOGETHER; BOTH USE THIS FILE!myname="`basename $0`" # NAME OF THIS SCRIPT (USUALLY address OR phone)case "$myname" inphone|address) sysfile=/work/ora/$myname # SYSTEM FILE persfile=${HOME?}/$myname # PERSONAL FILE ;;*) echo "$0: HELP! I don't know how to run myself." 1>&2; exit 1 ;;esac<ACLASS="indexterm"NAME="AUTOID-57648"></A>if test ! -f $persfilethen touch $persfileficase $# in0) echo "Usage: $myname searchfor [...searchfor] (You didn't tell me what you want to search for.)" 1>&2 exit 1 ;;*) # BUILD egrep EXPRESSION LIKE (arg1|arg2|...) FROM NAME(S) USER TYPES: for arg do case "$expr" in "") expr="($arg" ;; *) expr="$expr|$arg" ;; esac done expr="$expr)"esac# SEARCH WITH egrep, USE sed TO ADD sys> TO START OF FILENAMES FROM# SYSTEM FILE AND pers> TO START OF FILENAMES FROM HOME LIST:egrep -i "$expr" $persfile $sysfile |<ACLASS="indexterm"NAME="AUTOID-57654"></A><ACLASS="indexterm"NAME="AUTOID-57657"></A>sed -e "s@^$sysfile:@sys>@" -e "s@^$persfile:@pers>@"exit</PRE></TD></TR></TABLE></P><PCLASS="para">The comments in the script explain what each part does.The most interesting part is probably the<SPANCLASS="link"><EMCLASS="emphasis">for</EM> loop (<ACLASS="linkend"HREF="ch44_16.htm"TITLE="Handling Command-Line Arguments with a for Loop ">44.16</A>)</SPAN>and<SPANCLASS="link"><EMCLASS="emphasis">case</EM> statement (<ACLASS="linkend"HREF="ch44_05.htm"TITLE="Test String Values with Bourne Shell case ">44.5</A>)</SPAN>that build the <EMCLASS="emphasis">egrep</EM> expression.For instance, if you type the command <CODECLASS="literal">phone tom mary</CODE>,the script builds and runs an <EMCLASS="emphasis">egrep</EM> command as if you'd typed this:</P><PCLASS="para"><BLOCKQUOTECLASS="screen"><PRECLASS="screen">% <CODECLASS="userinput"><B>egrep -i "(tom|mary)" /u/me/phone /work/ora/phone</B></CODE>/u/me/phone:Tom VW's mother, Barbara Van Winkel in Vermont 802-842-1212/u/me/phone:Tom Christiansen [5/10/92] 201/555-1212/work/ora/phone:Flitecom (Dave Stevens, Tom Maddy) (301) 588-1212 ...</PRE></BLOCKQUOTE></P><PCLASS="para">The<SPANCLASS="link"><EMCLASS="emphasis">sed</EM> (<ACLASS="linkend"HREF="ch34_24.htm"TITLE="Quick Reference: sed ">34.24</A>)</SPAN>command turns the pathnames from <EMCLASS="emphasis">egrep</EM> into <CODECLASS="literal">pers></CODE> and<CODECLASS="literal">sys></CODE>.</P><PCLASS="para">You can install this script from the CD-ROM or you can justtype it in. If you type in the script, put it in an executable filenamed <EMCLASS="emphasis">phone</EM>. (If all users on your system will share it, yoursystem administrator should put the script in a central directory suchas <EMCLASS="emphasis">/usr/local/bin</EM>.) Then make a link to it:</P><PCLASS="para"><BLOCKQUOTECLASS="screen"><PRECLASS="screen">% <CODECLASS="userinput"><B>chmod 755 phone</B></CODE>% <CODECLASS="userinput"><B>ln phone address</B></CODE></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="ch48_01.htm"TITLE="48.1 Well, What Else Could We Call It? "><IMGSRC="gifs/txtpreva.gif"SRC="gifs/txtpreva.gif"ALT="Previous: 48.1 Well, What Else Could We Call It? 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