Beefy Boxes and Bandwidth Generously Provided by pair Networks
good chemistry is complicated,
and a little bit messy -LW
 
PerlMonks  

Basic Input and Output

by root (Monk)
on Nov 05, 1999 at 05:53 UTC ( [id://955]=perltutorial: print w/replies, xml ) Need Help??

Help for this page

Select Code to Download


  1. or download this
    $a=<>;       #reads one line in from the keyboard including
                 #the newline character (\n) and puts it into $a
    ...
    while(<>){        #reads lines until end of file or a Control-D from t
    +he keyboard
       print "$_";    #prints lines back out
    }
    
  2. or download this
    print "Hello World\n";    #the simplest sort of print
    print "Hello ","World\n"; #this prints the same thing but uses a list 
    +of strings to do the same thing
    print ("1+1=",(1+1));     #prints 1+1=2 first prints the string 1+1= a
    +nd then what 1+1 evaluates to(2);
    
  3. or download this
    <BR>
    printf "%3d %7.2f %5s\n",$a,$b,$c;
    

Log In?
Username:
Password:

What's my password?
Create A New User
Domain Nodelet?
Node Status?
node history
Node Type: perltutorial [id://955]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this?Last hourOther CB clients
Other Users?
Others studying the Monastery: (6)
As of 2024-03-28 21:53 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    No recent polls found