scmuser created the topic: Difference Between lexicon and global in perl Hi, What is the difference Between lexicon and global in Perl? Could you please elaborate with few good examples? thanks Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel…
scmuser created the topic: Difference between my and use Hi, What is the difference Between my and use in Perl? Could you please elaborate with few good examples? thanks Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at…
scmuser created the topic: Use of STDIN in perl What are the various ways we can use STDIN in perl. Could you please provide some examples? Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock…
scmuser created the topic: Types of Perl Data types What are the varius data types available in perl? could you please provide details with examples? Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…
scmuser created the topic: Questions for scalar variable in perl Hi, Could you please explain following questions in details.. 1. Various way to define and initialize scalar variable. 2. Various ways to print scalar variable? 3. Various ways to use scalar variable in programming? Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences….
scmuser created the topic: Questions over Arrays variable in perl Hi, Could you please explain following questions in details.. 1. Various way to define and initialize Arrays variable. 2. Various ways to print Arrays variable? 3. Various ways to use Arrays variable in programming? 4. How to display Numbers of Arrays? 5. How to Print…
scmuser created the topic: questions over hash variable in perl Hi, Could you please explain following questions in details.. 1. Various way to define and initialize hash variable. 2. Various ways to print hash variable? 3. Various ways to use hash variable in programming? 4. How to Store Hash key values to array and print…
rajeshkumar created the topic: Regular expression perl question I am just beginner in perl. Just want to do following task through regular expression. I have huge sql file and trying to replace value of each line first 4 digit separated by comma. FILE 1: (7, 0, 7, 55, NULL, 0, ”, ‘Wise Package Studio Overview…
rajeshkumar created the topic: Useful info on Perl defined Function Very good url for the following topis… How to use Perl defined function with scalars How to use Perl defined function with an array How to use Perl defined function with a hash How to use Perl defined function with www.misc-perl-info.com/perl-defined.html Regards, Rajesh Kumar Twitt…
rajeshkumar created the topic: Difference between use and require in perl || use Vs require in perl || What is the difference between use and require? Except of course that use is evaluated at compile time where as require is evaluated at run time in other word, A use anywhere in the code will be…
rajeshkumar created the topic: convert df -h output to html table Code shared on permonks by choroba. #!/usr/bin/perl use warnings; use strict; use Text::Table; use constant CAPACITY => 3; my @lines = `df -hP`; my $header = shift @lines; # Do not create two columns for “Mounted” and “On” $header =~ s/Mounted /Mounted_/; my $table…
rajeshkumar created the topic: using perl send an html email Using perl send an html email #!/usr/bin/perl -w use strict; use MIME::Lite; # SendTo email id my $email = ‘rajesh@scmgalaxy.com’; # create a new MIME Lite based email my $msg = MIME::Lite->new ( Subject => “HTML email test”, From => ‘rajesh@scmgalaxy.com’, To => rajesh@scmgalaxy.com, Type…
rajeshkumar created the topic: Send an HTML email using perl and sendmail Send an HTML email using perl and sendmail open(MAIL,”|/usr/sbin/sendmail -t”); ## Mail Header print MAIL “To: rajeshk\@xxx.com\n”; print MAIL “From: rajeshk\@xxxx.com\n”; print MAIL “Subject: TEST\n”; ## Mail Body print MAIL “Content-Type: text/html; charset=ISO-8859-1\n” . “@emailBody”; close(MAIL) Regards, Rajesh Kumar Twitt me @ twitter.com/RajeshKumarIn…
rajeshkumar created the topic: Perl script to monitor disk space and send an email Perl script to monitor disk space and send an email Very good link i found out. www.cyberciti.biz/tips/howto-write-perl-…itor-disk-space.html Regards, Rajesh Kumar Twitt me @ twitter.com/RajeshKumarIn Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I…
rajeshkumar created the topic: perl validation on hash key is defined or not Solutions Thanks Len for example program. our %SERVERS = ( “rajesh1” => {type => ‘prod’, sha => ‘ram’}, “rajesh2” => {type => ‘prod’, sha => ‘sita’}, “rajesh3” => {type => ‘xyz’, named => [“raa”]}, “rajesh4” => {type => ‘xxx’, named => [“rajjaj”]},…
rajeshkumar created the topic: Bareword “rajesh” not allowed while “strict subs” in use at Error: Bareword “rajesh” not allowed while “strict subs” in use at final.pl Solution: Regards, Rajesh Kumar Twitt me @ twitter.com/RajeshKumarIn Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at…
rajeshkumar created the topic: perl function to remove any element using value validation perl function to remove any element using value validation Not Working – my @items = (rajesh1, rajesh2,rajesh3,rajes4,rajesh5,rajesh7) my $index = 0; for my $value (@items) { print “testing $value\n”; if ( $value == “rajesh1” or $value == “rajesh2” or $value == “rajesh3”)…
rajeshkumar created the topic: Delete an element from array based on custom duplicate value Hi, I am looking for some help in one scenario. Requirement: Through some validation, I have strored following kinds of value in one array. @array_name = (“Rajesh”,”Raju”,”Ram”,”John”,”peter”); Now I know from some background that “Rajesh”, “Ram”, “peter”, is duplocated entry so…
rajeshkumar created the topic: Delete line from string using perl Questions: Delete line from string using perl Delete entry from array based on custom duplicate value. How to delete lines that match certain pattern ============================ $info = ” This is Rajesh This is Ram This is test This is Raju ” Some solutions which i…
rajeshkumar created the topic: Remove the duplicate data from array using perl Remove the duplicate data from array using perl Method 1 ============================================ sub uniqueentr { return keys %{{ map { $_ => 1 } @_ }}; } @array = (“perl”,”php”,”perl”,”asp”); print join(” “, @array), “\n”; print join(” “, uniqueentr(@array)), “\n”; Method 2 ============================================ sub…
rajeshkumar created the topic: foreach Vs for Vs while in perl Definition 1: In the while loop, Perl reads a line of input, puts it into a variable, and runs the body of the loop. Then, it goes back to find another line of input. But in the foreach loop, the line-input operator is being…
rajeshkumar created the topic: Good Books on Perl 1. Effective Perl Programming: Ways to Write Better, More Idiomatic Perl (2nd Edition) (Effective Software Development Series) Regards, Rajesh Kumar Twitt me @ twitter.com/RajeshKumarIn Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School,…
rajeshkumar created the topic: Setting Up Perl and CGI For Wamp Server WAMP(P) chromicdesign.com/2009/05/setting-up-perl-for-wampp.html Test.pl/test.cgi #!C:\Perl64\bin\perl.exe # test.cgi by Bill Weinman [http://bw.org/] # Copyright 1995-2009 The BearHeart Group, LLC # Free Software: Use and distribution under the same terms as perl. use strict; use warnings; use CGI; my $version = “5.1”; print foreach ( “Content-Type:…
scmuser created the topic: How to print two array with new line using a single print statement? How to print two array with new line using a single print statement? Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories…
rajeshkumar created the topic: Perl Interview Questions and Answers What line of code is a valid hash literal? [first => ‘John’, last => ‘Smith’] {first => ‘John’, last => ‘Smith’} %{‘first’ => ‘John’, ‘last’ => ‘Smith’} (first => ‘John’, last => ‘Smith’) ‘John’, ‘last’ => ‘Smith’> Answer – {first => ‘John’, last => ‘Smith’} How…
Commonly Used Sign- Punctuation and their Name in Perl ( => ) Comma Arrow ( ‘ ’, “ ”, ‘ ‘, ” “ ) à Quotation marks ( $ ) àDollar sign ( ~ ) à Tilde ( % ) àPercent sign ( , ) à Comma ( @ ) à At Sign ( ; ) à Semicolon (…
There are many ways to execute external commands from Perl. The most commons are: system function exec function backticks (“) operator open function All of these methods have different behaviour, so you should choose which one to use depending of your particular need. In brief, these are the recommendations: method use if … system() you…
|| use Vs require in perl || What is the difference between use and require? Except of course that use is evaluated at compile time where as require is evaluated at run time in other word, A use anywhere in the code will be evaluated when the code is run compiled, but require – import’s…
Checking File Attributes in Perl I have been using perl for quite some time now. I have also been using the file handling logic in my scripts. However, what I did not know till now is that you can quickly check for certain file properties in perl. Here is an example: #!/usr/bin/perl my (@description,$size); if (-e…
What is Perl Perl is a programming language, It’s Object Oriented, simple to learn and very powerful. Perl stand for: “Practical Extraction and Reporting Language”. Perl is an Interpreted language, so you don’t have to compile it like you do Java, C, C++ etc. For fast development work, that’s a godsend. Perl is a versatile,…