index.html

this is a book on pearl , simple example with explanation is given here. it could be beneficial for

Module</A>

<LI><A HREF="ch24.htm#Namespace">

Namespace</A>

<LI><A HREF="ch24.htm#Object">

Object</A>

<LI><A HREF="ch24.htm#Octal">

Octal</A>

<LI><A HREF="ch24.htm#Operator">

Operator</A>

<LI><A HREF="ch24.htm#Parameter">

Parameter</A>

<LI><A HREF="ch24.htm#Polymorphism">

Polymorphism</A>

<LI><A HREF="ch24.htm#Port">

Port</A>

<LI><A HREF="ch24.htm#PrecedeNCe">

PrecedeNCe</A>

<LI><A HREF="ch24.htm#Procedure">

Procedure</A>

<LI><A HREF="ch24.htm#Protocol">

Protocol</A>

<LI><A HREF="ch24.htm#Range">

Range</A>

<LI><A HREF="ch24.htm#Record">

Record</A>

<LI><A HREF="ch24.htm#RefereNCe">

RefereNCe</A>

<LI><A HREF="ch24.htm#RegularExpression">

Regular Expression</A>

<LI><A HREF="ch24.htm#ReturnValue">

Return Value</A>

<LI><A HREF="ch24.htm#RunTimeError">

Run-Time Error</A>

<LI><A HREF="ch24.htm#Scalar">

Scalar</A>

<LI><A HREF="ch24.htm#ScalarContext">

Scalar Context</A>

<LI><A HREF="ch24.htm#Scope">

Scope</A>

<LI><A HREF="ch24.htm#ShortCircuitOperators">

Short-Circuit Operators</A>

<LI><A HREF="ch24.htm#Signals">

Signals</A>

<LI><A HREF="ch24.htm#Slice">

Slice</A>

<LI><A HREF="ch24.htm#Socket">

Socket</A>

<LI><A HREF="ch24.htm#Splice">

Splice</A>

<LI><A HREF="ch24.htm#Stack">

Stack</A>

<LI><A HREF="ch24.htm#Statement">

Statement</A>

<LI><A HREF="ch24.htm#STDERRSTDINandSTDOUT">

STDERR, STDIN, and STDOUT</A>

<LI><A HREF="ch24.htm#Subroutine">

Subroutine</A>

<LI><A HREF="ch24.htm#TextMode">

Text Mode</A>

<LI><A HREF="ch24.htm#UndefinedValue">

Undefined Value</A>

<LI><A HREF="ch24.htm#Variable">

Variable</A>

<LI><A HREF="ch24.htm#Whitespace">

Whitespace</A>

</UL>



<H2><I><FONT SIZE=5 COLOR=#FF0000>Appendix </FONT></I><FONT SIZE=5 COLOR=#FF0000>C

</FONT><FONT SIZE=5>&nbsp;&nbsp;FuNCtion List</FONT></H2>

<UL>

<LI><A HREF="ch25.htm#FuNCtionsbyCategory">

FuNCtions by Category</A>

<LI><A HREF="ch25.htm#FuNCtionsbyName">

FuNCtions by Name</A>

<UL>

<LI><A HREF="ch25.htm#absEXPR">

abs([EXPR])</A>

<LI><A HREF="ch25.htm#acceptNEWSOCKETGENERICSOCKET">

accept (NEWSOCKET, GENERICSOCKET)</A>

<LI><A HREF="ch25.htm#alarmNUMOFSECONDS">

alarm (NUM_OF_SECONDS)</A>

<LI><A HREF="ch25.htm#atanEXPR">

atan2 ([EXPR])</A>

<LI><A HREF="ch25.htm#bindSOCKETNAME">

bind (SOCKET, NAME)</A>

<LI><A HREF="ch25.htm#binmodeFILEHANDLE">

binmode (FILEHANDLE)</A>

<LI><A HREF="ch25.htm#blessREFERENCECLASSNAME">

bless (REFERENCE, [CLASSNAME])</A>

<LI><A HREF="ch25.htm#callerEXPR">

caller ([EXPR])</A>

<LI><A HREF="ch25.htm#chdirDIRNAME">

chdir ([DIRNAME])</A>

<LI><A HREF="ch25.htm#chmodMODELIST">

chmod (MODE, LIST)</A>

<LI><A HREF="ch25.htm#chompSTRINGLIST">

chomp ([STRING | LIST])</A>

<LI><A HREF="ch25.htm#chopSTRINGLIST">

chop ([STRING | LIST])</A>

<LI><A HREF="ch25.htm#chownNUMERICALUIDNUMERICALGIDLIST">

chown (NUMERICAL_UID, NUMERICAL_GID, LIST)</A>

<LI><A HREF="ch25.htm#chrNUMBER">

chr (NUMBER)</A>

<LI><A HREF="ch25.htm#chrootDIRNAME">

chroot (DIR_NAME)</A>

<LI><A HREF="ch25.htm#closeFILEHANDLE">

close (FILEHANDLE)</A>

<LI><A HREF="ch25.htm#closedirDIRHANDLE">

closedir (DIRHANDLE)</A>

<LI><A HREF="ch25.htm#connectSOCKETNAME">

connect (SOCKET, NAME)</A>

<LI><A HREF="ch25.htm#cosEXPR">

cos ([EXPR])</A>

<LI><A HREF="ch25.htm#cryptTEXTSALT">

crypt (TEXT, SALT)</A>

<LI><A HREF="ch25.htm#dbmcloseHASH">

dbmclose (HASH)</A>

<LI><A HREF="ch25.htm#dbmopenHASHDATABASENAMEMODE">

dbmopen (HASH, DATABASE_NAME, MODE)</A>

<LI><A HREF="ch25.htm#definedEXPR">

defined (EXPR)</A>

<LI><A HREF="ch25.htm#deleteEXPR">

delete (EXPR)</A>

<LI><A HREF="ch25.htm#dieLIST">

die ([LIST])</A>

<LI><A HREF="ch25.htm#doSCRIPTNAME">

do (SCRIPTNAME)</A>

<LI><A HREF="ch25.htm#dumpLABEL">

dump ([LABEL])</A>

<LI><A HREF="ch25.htm#eachHASH">

each (HASH)</A>

<LI><A HREF="ch25.htm#endgrent">

endgrent ( )</A>

<LI><A HREF="ch25.htm#endhostent">

endhostent ( )</A>

<LI><A HREF="ch25.htm#endnetent">

endnetent ( )</A>

<LI><A HREF="ch25.htm#endprotoent">

endprotoent ( )</A>

<LI><A HREF="ch25.htm#endpwent">

endpwent ( )</A>

<LI><A HREF="ch25.htm#endservent">

endservent ( )</A>

<LI><A HREF="ch25.htm#eofFILEHANDLE">

eof ([FILEHANDLE])</A>

<LI><A HREF="ch25.htm#evalEXPRBLOCK">

eval ([EXPR | BLOCK])</A>

<LI><A HREF="ch25.htm#execLIST">

exec (LIST)</A>

<LI><A HREF="ch25.htm#existsEXPR">

exists (EXPR)</A>

<LI><A HREF="ch25.htm#exitEXPR">

exit ([EXPR])</A>

<LI><A HREF="ch25.htm#expEXPR">

exp ([EXPR])</A>

<LI><A HREF="ch25.htm#fcntlFILEHANDLEFUNCTIONPACKEDFLAGS">

fcntl (FILEHANDLE, FUNCTION, PACKED_FLAGS)</A>

<LI><A HREF="ch25.htm#filenoFILEHANDLE">

fileno (FILEHANDLE)</A>

<LI><A HREF="ch25.htm#flockFILEHANDLEOPERATIONFLAGS">

flock (FILEHANDLE, OPERATION_FLAGS)</A>

<LI><A HREF="ch25.htm#fork">

fork ( )</A>

<LI><A HREF="ch25.htm#formlinePICTURELIST">

formline (PICTURE, LIST)</A>

<LI><A HREF="ch25.htm#getcFILEHANDLE">

getc ([FILEHANDLE])</A>

<LI><A HREF="ch25.htm#getgrent">

getgrent ( )</A>

<LI><A HREF="ch25.htm#getgrgidGID">

getgrgid (GID)</A>

<LI><A HREF="ch25.htm#getgrnameNAME">

getgrname (NAME)</A>

<LI><A HREF="ch25.htm#gethostbyaddrADDRESSAFINIT">

gethostbyaddr (ADDRESS, AF_INIT)</A>

<LI><A HREF="ch25.htm#gethostbynameNAMEPROTOCOL">

gethostbyname (NAME, [PROTOCOL])</A>

<LI><A HREF="ch25.htm#gethostent">

gethostent ( )</A>

<LI><A HREF="ch25.htm#getlogin">

getlogin ( )</A>

<LI><A HREF="ch25.htm#getnetbyaddrADDRESSADDRTYPE">

getnetbyaddr (ADDRESS, ADDR_TYPE)</A>

<LI><A HREF="ch25.htm#getnetbynameNAME">

getnetbyname (NAME)</A>

<LI><A HREF="ch25.htm#getnetent">

getnetent ( )</A>

<LI><A HREF="ch25.htm#getpeernameSOCKET">

getpeername (SOCKET)</A>

<LI><A HREF="ch25.htm#getpgrpPID">

getpgrp (PID)</A>

<LI><A HREF="ch25.htm#getppid">

getppid ( )</A>

<LI><A HREF="ch25.htm#getpriorityWHICHWHO">

getpriority (WHICH, WHO)</A>

<LI><A HREF="ch25.htm#getprotobynameNAME">

getprotobyname (NAME)</A>

<LI><A HREF="ch25.htm#getprotobynumberNUMBER">

getprotobynumber (NUMBER)</A>

<LI><A HREF="ch25.htm#getprotoent">

getprotoent ( )</A>

<LI><A HREF="ch25.htm#getpwent">

getpwent ( )</A>

<LI><A HREF="ch25.htm#getpwnamNAME">

getpwnam (NAME)</A>

<LI><A HREF="ch25.htm#getpwuidUID">

getpwuid (UID)</A>

<LI><A HREF="ch25.htm#getservbynameNAMEPROTOCOL">

getservbyname (NAME, PROTOCOL)</A>

<LI><A HREF="ch25.htm#getservbyportPORTNUMBERPROTOCOL">

getservbyport (PORT_NUMBER, PROTOCOL)</A>

<LI><A HREF="ch25.htm#getservent">

getservent ( )</A>

<LI><A HREF="ch25.htm#getsocknameSOCKET">

getsockname (SOCKET)</A>

<LI><A HREF="ch25.htm#getsockoptSOCKETLEVELOPTNAME">

getsockopt (SOCKET, LEVEL, OPTNAME)</A>

<LI><A HREF="ch25.htm#globEXPR">

glob (EXPR)</A>

<LI><A HREF="ch25.htm#gmtimeEXPR">

gmtime ([EXPR])</A>

<LI><A HREF="ch25.htm#grepBLOCKEXPRLIST">

grep (BLOCK | EXPR, LIST)</A>

<LI><A HREF="ch25.htm#hexEXPR">

hex (EXPR)</A>

<LI><A HREF="ch25.htm#import">

import ( )</A>

<LI><A HREF="ch25.htm#indexSTRINGSUBSTRINGPOSITION">

index (STRING, SUBSTRING, [POSITION])</A>

<LI><A HREF="ch25.htm#intEXPR">

int ([EXPR])</A>

<LI><A HREF="ch25.htm#ioctlFILEHANDLEFUNCTIONSCALAR">

ioctl (FILEHANDLE, FUNCTION, SCALAR)</A>

<LI><A HREF="ch25.htm#joinEXPRLIST">

join (EXPR, LIST)</A>

<LI><A HREF="ch25.htm#keysHASH">

keys (HASH)</A>

<LI><A HREF="ch25.htm#killSIGNALLIST">

kill (SIGNAL, LIST)</A>

<LI><A HREF="ch25.htm#lcEXPR">

lc (EXPR)</A>

<LI><A HREF="ch25.htm#lcfirstEXPR">

lcfirst (EXPR)</A>

<LI><A HREF="ch25.htm#lengthEXPR">

length ([EXPR])</A>

<LI><A HREF="ch25.htm#linkOLDFILENEWFILE">

link (OLD_FILE, NEW_FILE)</A>

<LI><A HREF="ch25.htm#listenSOCKETQUEUESIZE">

listen (SOCKET, QUEUESIZE)</A>

<LI><A HREF="ch25.htm#localLIST">

local (LIST)</A>

<LI><A HREF="ch25.htm#localtimeEXPR">

localtime ([EXPR])</A>

<LI><A HREF="ch25.htm#logEXPR">

log ([EXPR])</A>

<LI><A HREF="ch25.htm#lstatFILEHANDLEEXPR">

lstat (FILEHANDLE | EXPR)</A>

<LI><A HREF="ch25.htm#mapBLOCKEXPRLIST">

map (BLOCK | EXPR, LIST)</A>

<LI><A HREF="ch25.htm#mkdirFILENAMEMODE">

mkdir (FILENAME, [MODE])</A>

<LI><A HREF="ch25.htm#msgctlIDCOMMANDARG">

msgctl (ID, COMMAND, ARG)</A>

<LI><A HREF="ch25.htm#msggetKEYFLAGS">

msgget (KEY, FLAGS)</A>

<LI><A HREF="ch25.htm#msgrcvQUEUEIDBUFFERBUFFERSIZETYPEFLAGS">

msgrcv (QUEUE_ID, BUFFER, BUFFER_SIZE, TYPE, FLAGS)</A>

<LI><A HREF="ch25.htm#msgsndQUEUEIDBUFFERFLAGS">

msgsnd (QUEUE_ID, BUFFER, FLAGS)</A>

<LI><A HREF="ch25.htm#myLIST">

my (LIST)</A>

<LI><A HREF="ch25.htm#octEXPR">

oct ([EXPR])</A>

<LI><A HREF="ch25.htm#openFILEHANDLEEXPRFILENAME">

open (FILEHANDLE | EXPR | FILENAME)</A>

<LI><A HREF="ch25.htm#opendirDIRHANDLEEXPRDIRNAME">

opendir (DIRHANDLE, EXPR | DIRNAME)</A>

<LI><A HREF="ch25.htm#ordEXPR">

ord ([EXPR])</A>

<LI><A HREF="ch25.htm#packTEMPLATELIST">

pack (TEMPLATE, LIST)</A>

<LI><A HREF="ch25.htm#pipeREADHANDLEWRITEHANDLE">

pipe (READHANDLE, WRITEHANDLE)</A>

<LI><A HREF="ch25.htm#popARRAYVARIABLE">

pop (ARRAY_VARIABLE)</A>

<LI><A HREF="ch25.htm#posSCALAR">

pos ([SCALAR])</A>

<LI><A HREF="ch25.htm#printFILEHANDLELIST">

print [FILEHANDLE] ([LIST])</A>

<LI><A HREF="ch25.htm#printfFILEHANDLEFORMATLIST">

printf [FILEHANDLE] (FORMAT, LIST)</A>

<LI><A HREF="ch25.htm#pushARRAYLIST">

push (ARRAY, LIST)</A>

<LI><A HREF="ch25.htm#qLIST">

q (LIST)</A>

<LI><A HREF="ch25.htm#qqLIST">

qq (LIST)</A>

<LI><A HREF="ch25.htm#quotemetaEXPR">

quotemeta (EXPR)</A>

<LI><A HREF="ch25.htm#qwLIST">

qw (LIST)</A>

<LI><A HREF="ch25.htm#qxLIST">

qx (LIST)</A>

<LI><A HREF="ch25.htm#randEXPR">

rand ([EXPR])</A>

<LI><A HREF="ch25.htm#readFILEHANDLEBUFFERLENGTHOFFSET">

read (FILEHANDLE, BUFFER, LENGTH, [OFFSET])</A>

<LI><A HREF="ch25.htm#readdirDIRHANDLE">

readdir (DIRHANDLE)</A>

<LI><A HREF="ch25.htm#readlinkEXPR">

readlink ([EXPR])</A>

<LI><A HREF="ch25.htm#recvSOCKETBUFFERLENGTHFLAGS">

recv (SOCKET, BUFFER, LENGTH, FLAGS)</A>

<LI><A HREF="ch25.htm#refEXPR">

ref (EXPR)</A>

<LI><A HREF="ch25.htm#renameOLDNAMENEWNAME">

rename (OLDNAME, NEWNAME)</A>

<LI><A HREF="ch25.htm#resetEXPR">

reset ([EXPR])</A>

<LI><A HREF="ch25.htm#reverseLIST">

reverse (LIST)</A>

<LI><A HREF="ch25.htm#rewinddirDIRHANDLE">

rewinddir (DIRHANDLE)</A>

<LI><A HREF="ch25.htm#rindexSTRINGSUBSTRINGPOSITION">

rindex (STRING, SUBSTRING, [POSITION])</A>

<LI><A HREF="ch25.htm#rmdirDIRNAME">

rmdir ([DIRNAME])</A>

<LI><A HREF="ch25.htm#scalarEXPR">

scalar (EXPR)</A>

<LI><A HREF="ch25.htm#seekFILEHANDLEPOSITIONWHENCE">

seek (FILEHANDLE, POSITION, WHENCE)</A>

<LI><A HREF="ch25.htm#seekdirDIRHANDLEPOS">

seekdir (DIRHANDLE, POS)</A>

<LI><A HREF="ch25.htm#selectFILEHANDLE">

select ([FILEHANDLE])</A>

<LI><A HREF="ch25.htm#selectRBITSWBITSEBITSTIMEOUT">

select (RBITS, WBITS, EBITS, TIMEOUT)</A>

<LI><A HREF="ch25.htm#semctlIDSEMNUMCMDARG">

semctl (ID, SEMNUM, CMD, ARG)</A>

<LI><A HREF="ch25.htm#semgetKEYNSEMSFLAGS">

semget (KEY, NSEMS, FLAGS)</A>

<LI><A HREF="ch25.htm#semopKEYOPSTRING">

semop (KEY, OPSTRING)</A>

<LI><A HREF="ch25.htm#sendSOCKETBUFFERFLAGSTO">

send (SOCKET, BUFFER, FLAGS, [TO])</A>

<LI><A HREF="ch25.htm#setgrent">

setgrent ( )</A>

<LI><A HREF="ch25.htm#sethostentSTAYOPEN">

sethostent (STAYOPEN)</A>

<LI><A HREF="ch25.htm#setnetentSTAYOPEN">

setnetent (STAYOPEN)</A>

<LI><A HREF="ch25.htm#setpgrpPIDPGRP">

setpgrp (PID, PGRP)</A>

<LI><A HREF="ch25.htm#setpriorityWHICHWHOPRIORITY">

setpriority (WHICH, WHO, PRIORITY)</A>

<LI><A HREF="ch25.htm#setprotoentSTAYOPEN">

setprotoent (STAYOPEN)</A>

<LI><A HREF="ch25.htm#setpwent">

setpwent</A>

<LI><A HREF="ch25.htm#setserventSTAYOPEN">

setservent (STAYOPEN)</A>

<LI><A HREF="ch25.htm#setsockoptSOCKETLEVELOPTNAMEOPTVAL">

setsockopt (SOCKET, LEVEL, OPTNAME, OPTVAL)</A>

<LI><A HREF="ch25.htm#shiftARRAY">

shift ([ARRAY])</A>

<LI><A HREF="ch25.htm#shmctlIDCMDARG">

shmctl (ID, CMD, ARG)</A>

<LI><A HREF="ch25.htm#shmgetKEYSIZEFLAGS">

shmget (KEY, SIZE, FLAGS)</A>

<LI><A HREF="ch25.htm#shmreadIDBUFFERPOSSIZE">

shmread (ID, BUFFER, POS, SIZE)</A>

<LI><A HREF="ch25.htm#shmwriteIDBUFFERPOSSIZE">