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Recent content by WebGoat
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whats wrong ?
>but also one of perls weakenesses Sir,yes,i also term it as a weakness. because it is hiding the fact! anyway, so you mean there are some functions which uses this $_ variable. but in your previous example which you posted (while loop code) there is no function nor operator is no it ... -
whats wrong ?
Sir, This is a very difficult statement to understand. i got more confused when i read the following tutorial The $_ special variable We could use a conditional as if ($sentence =~ /under/) { print "We're talking about rugby\n"; } which would print out a message if we had either of... -
whats wrong ?
<INFO> reads a record from the file and stores that line in $_ automatically. OK . good. is it exclusive for only for Files ? had it not been a file , but a simple array which contanis some data, will the same occured ? in fact, i am worried about in which place this works and in which... -
whats wrong ?
many thanks sir, can i ask one more very simplest question ? you made a comment... # Read each line from file to $_ in turn but where did you assign the line to $_ . you did not assign it. how does it get the value ? i am feeling uncomfortable with this. will you please tell me whats... -
whats wrong ?
i have one more smallest question. as i am learning perl , can i use perl in windows machine ? right now, i am writing codes in linux machine. is perl only exclusive for linux machine ? does it work in windows 2000, windows XP machine ? -
whats wrong ?
this works fine. you have explained very nicely. thanks i also examined with print $_; // just prints variable print "\n"; // just prints the newline and also print $_."\n"; // i read this the rule concatecation of sting and i am comfortable with these two syntax. i was not feeling... -
whats wrong ?
in this context i just have a small question you gave me his code in my previous post code was like below while(<>) { # $_ contains each line from the file, one at a time # process the line here. } will you please how do you read line by lne with a while loop ? i am reading with a... -
whats wrong ?
superb!. its working now. sorry for the silly mistake. i have deleted the old file. and ceated a new one. -
whats wrong ?
#!/usr/local/bin/perl-w use strict; use diagnostics; # Program to open the password file, read it in, # print it, and close it again... -
learn perl
ok, NO problem . let it output whatever it wants. i must stop this post . i am happy whatever i have learnt . thanks -
learn perl
>What did you expect your program to output? i want the program should not print the output at all. you know C,C++,JAVA all programs behaves dont show output once there is some compile erorr. this language is somewhat exceptional -
file problem
@lines = <INFO>; my god ! if the file is huge, then the prgranm may crash at any time . how many MAXIMUM lines an perl array can contain ? -
learn perl
but the program outputs 9. tha was a unfortunate thing [mad] -
learn perl
excellent !! and excellent ! this error is really self-explanarotory. any body can understand this error message and find out the place where this error has occured. so, i have decided to use -w, use strict, use diagonstics and ALL MY VARIABLES would be prefixed by the my keyword. its...
