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linux-unix130.linux.and.unix.ebooks130 linux and unix ebookslinuxLearning Linux - Collection of 12 E

Backtick     419<BR>
Comparison of Expressions     419<BR>
pdksh and bash      419<BR>
tcsh     423<BR>
Iteration Statements     426<BR>
The for Statement     426<BR>
The while Statement     427<BR>
The until Statement     428<BR>
The repeat Statement (tcsh)     429<BR>
The select Statement (pdksh)     429<BR>
The shift Statement     429<BR>
Conditional Statements     430<BR>
The if Statement     430<BR>
The case Statement     431<BR>
Miscellaneous Statements     433<BR>
The break Statement     433<BR>
The exit Statement     433<BR>
Functions     434<BR>
Summary     434

</BLOCKQUOTE>



<A NAME="PAGENUM-14"><P>Page 14</P></A>





<H6>     Part VI     Automation, Programming, and Modifying Source Code
</H6>

<OL START=22>
<LI>     Automating Tasks 437
</OL>
<BLOCKQUOTE>
First Example&#151;Automating Data Entry     438<BR>
Problem and Solution     438<BR>
Analysis of the Implementation     439<BR>
Tips for Improving Automation Technique     441<BR>
Continuing Education     441<BR>
Good Engineering     442<BR>
Shell Scripts     442<BR>
chstr      442<BR>
WWW Retrieval     443<BR>
Conclusions on Shell Programming     445<BR>
cron and at Jobs     445<BR>
cron and find&#151;Exploring Disk Usage     445<BR>
at: Scheduling Future Events     446<BR>
Other Mechanisms: Expect, Perl, and More     447<BR>
Comparing Technologies     447<BR>
Expect     447<BR>
Perl     449<BR>
Other Tools     449<BR>
Internal Scripts     452<BR>
Concluding Challenge for an Automater&#151;Explaining Value     452<BR>
Summary     453
</BLOCKQUOTE>

<OL START=23>
<LI>     C and C++ Programming 455
</OL>
<BLOCKQUOTE>
Introduction to C     456<BR>
Programming in C: Basic Concepts     457<BR>
Creating, Compiling, and Executing Your First Program     459<BR>
An Overview of the C Language     460<BR>
Expressions     463<BR>
Statement Controls     465<BR>
Functions     468<BR>
Creating a Simple Program     470<BR>
Building Large Applications     472<BR>
Debugging Tools     473<BR>
Introduction to C++     474<BR>
Programming in C++: Basic Concepts     474<BR>
File Naming     475<BR>
Differences Between C and C++     475<BR>
Scope of Reference in C and C++     476<BR>
Overloading Functions and Operators in C++      478<BR>
</BLOCKQUOTE>

<A NAME="PAGENUM-15"><P>Page 15</P></A>

<BLOCKQUOTE>
Functions Within C++ Data Structures     480<BR>
Classes in C++     481<BR>
GNU C/C++ Compiler Command-Line Switches     484<BR>
Additional Resources     485<BR>
Summary     485
</BLOCKQUOTE>

<OL START=24>
<LI>    Perl Programming 487
</OL>
<BLOCKQUOTE>
A Simple Perl Program     488<BR>
Perl Variables and Data Structures     489<BR>
Conditional Statements: if/else      489<BR>
Looping     490<BR>
for      490<BR>
foreach      490<BR>
while      491<BR>
until      491<BR>
Regular Expressions     491<BR>
Access to the Shell     492<BR>
Command-Line Mode     492<BR>
Automation Using Perl     493<BR>
Moving Files     493<BR>
Purging Logs     495<BR>
Posting to Usenet     496<BR>
For More Information     496<BR>
Summary     497
</BLOCKQUOTE>

<OL START=25>
<LI>    tcl and tk Programming 499
</OL>
<BLOCKQUOTE>
tcl Basics     500<BR>
Interactive Use of tcl      500<BR>
Noninteractive Use of tcl      501<BR>
The tcl Language     502<BR>
Command Structure     502<BR>
Comments     502<BR>
Datatypes     502<BR>
Variables     503<BR>
Manipulating String Values     506<BR>
Manipulating Numeric Values     507<BR>
Quoting and Substitution     509<BR>
Flow Control&#151;if and switch     511<BR>
Loops     512<BR>
File I/O and File Info     514<BR>
Procedures     516<BR>
The tk Toolkit     517<BR>
</BLOCKQUOTE>

<A NAME="PAGENUM-16"><P>Page 16</P></A>

<BLOCKQUOTE>
Introduction to Widgets     517<BR>
Creating Widgets     518<BR>
Widget Options     519<BR>
A tcl/tk Widget Programming Example     520<BR>
A tcl/tk Interface to xsetroot      522<BR>
Summary     527
</BLOCKQUOTE>

<OL START=26>
<LI>     Motif Programming 529
</OL>
<BLOCKQUOTE>
What Is Motif?     530<BR>
Where Do I Get Motif?     531<BR>
What Version of Motif Should I Use?     531<BR>
Red Hat Motif Installation     532<BR>
motif-devel-2.0.1-1.i386.rpm      532<BR>
motif-2.0.1-1.i386.rpm      533<BR>
motif-mwm-2.0.1-1.i386.rpm      533<BR>
motif-demosrc-2.0.1-1.i386.rpm      533<BR>
motif-demos-2.0.1-1.i386.rpm      534<BR>
A Simple Example of Motif Programming Concepts      534<BR>
Widgets and Event-Driven Programming     535<BR>
The Simple Motif Program     535<BR>
How the Program Works     538<BR>
Sample Program Resources     539<BR>
Shared and Static Libraries     540<BR>
The UIL Compiler     541<BR>
Tutorials and Examples     541<BR>
Using imake and xmkmf      541<BR>
LessTif&#151;An Alternative Motif Clone     542<BR>
For More Information     543<BR>
Summary     544
</BLOCKQUOTE>

<OL START=27>
<LI>      gawk Programming 545
</OL>
<BLOCKQUOTE>
Applications     546<BR>
Features     547<BR>
awk Fundamentals     547<BR>
Using awk from the Command Line     547<BR>
Patterns and Actions     549<BR>
Handling Input     553<BR>
Coding Your Program     554<BR>
Actions     555<BR>
Variables     555<BR>
Strings     558<BR>
Arrays     562<BR>
</BLOCKQUOTE>

<A NAME="PAGENUM-17"><P>Page 17</P></A>

<BLOCKQUOTE>
Built-in Numeric Functions     564<BR>
Arithmetic Operators     565<BR>
Conditional Flow     565<BR>
Looping     567<BR>
Advanced Input and Output     569<BR>
Input     569<BR>
Output     571<BR>
Functions     574<BR>
Function Definition     575<BR>
Function Parameters     576<BR>
The return Statement (Explicit Return)     577<BR>
Writing Reports     577<BR>
Complex Reports     578<BR>
Extracting Data     578<BR>
Commands On-the-Fly     579<BR>
One Last Built-in Function: system      580<BR>
Summary     581
</BLOCKQUOTE>


<OL START=28>
<LI>     Network Programming 583
</OL>
<BLOCKQUOTE>
Networking Concepts     584<BR>
Building Network Addresses     585<BR>
Network Services     587<BR>
Sockets     588<BR>
Protocols and Socket Types     588<BR>
Making a Connection     590<BR>
A TCP Client Example     590<BR>
A TCP Server Example     591<BR>
A UDP Example     593<BR>
Blocking Versus Nonblocking Descriptors     596<BR>
I/O Multiplexing with UDP     597<BR>
I/O Multiplexing with TCP     600<BR>
Advanced Topics     601<BR>
Summary     602
</BLOCKQUOTE>


<H6>     Part VII     Appendixes
</H6>

<OL>
     A     The Linux Documentation Project 607
</OL>
<BLOCKQUOTE>
Overview     608<BR>
Getting Involved     608<BR>
Current Projects     608<BR>
Glossary and Global Index     609<BR>
Documentation Conventions     609
</BLOCKQUOTE>


<A NAME="PAGENUM-18"><P>Page 18</P></A>





<OL>
     B     Top 50 Linux Commands and Utilities611
</OL>
<BLOCKQUOTE>
General Guidelines     612<BR>
The List     612<BR>
.      613<BR>
&amp;      613<BR>
adduser      613<BR>
alias      613<BR>
apropos &lt;parameter&gt;      613<BR>
banner      614<BR>
bg      614<BR>
bind      614<BR>
cat      615<BR>
cd      615<BR>
chgrp      616<BR>
chmod      616<BR>
chown      617<BR>
chroot      617<BR>
cp      617<BR>
dd      617<BR>
env      618<BR>
fc      618<BR>
fg      618<BR>
file      618<BR>
find      619<BR>
grep      619<BR>
groff      619<BR>
gzip      620<BR>
halt      620<BR>
hostname      620<BR>
kill      620<BR>
less      620<BR>
login      620<BR>
logout      620<BR>
lpc      621<BR>
lpd      621<BR>
lpq      621<BR>
lpr      621<BR>
ls      621<BR>
make      622<BR>
man      622<BR>
mesg      622<BR>
mkdir      622<BR>
</BLOCKQUOTE>

<A NAME="PAGENUM-19"><P>Page 19</P></A>

<BLOCKQUOTE>
mkefs      623<BR>
mkfs      623<BR>
mkswap      623<BR>
more      623<BR>
mount      623<BR>
mv      623<BR>
netstat      624<BR>
passwd      624<BR>
ps      624<BR>
pwd      625<BR>
rm      625<BR>
rmdir      625<BR>
set      625<BR>
shutdown      625<BR>
su      625<BR>
swapoff      626<BR>
swapon      626<BR>
tail      626<BR>
talk      626<BR>
tar      626<BR>
umount      626<BR>
unalias      626<BR>
unzip      627<BR>
wall      627<BR>
who      627<BR>
xhost +      627<BR>
xmkmf      627<BR>
xset      628<BR>
zip      628<BR>
Summary     628
</BLOCKQUOTE>

<OL>
     C     The Linux Documentation Project Copyright License 629
</OL>
<BLOCKQUOTE>
Copyright License     630<BR>
Publishing LDP Manuals     630<BR>
</BLOCKQUOTE>


<OL>
     D     Glossary 633
</OL>

<OL>
     E     What's on the CD-ROM 653
</OL>
<BLOCKQUOTE>
About the Software     654<BR>
Index655
</BLOCKQUOTE>




<A NAME="PAGENUM-20"><P>Page 20</P></A>






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