Perl Script

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Spit out warnings on uninitialized variables Perl

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scmuser created the topic: Spit out warnings on uninitialized variables Perl How to Spit out warnings on uninitialized variables in Perl? rajeshkumar replied the topic: Re: Spit out warnings on uninitialized variables Perl #!/usr/local/bin/perl -w This will help you (really, it will force you) to write better, cleaner code. Adding the -w switch to the … Read more

Installing Perl modules

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rajeshkumar created the topic: Installing Perl modules Perl modules may be installed using the CPAN module or from source. CPAN method perl -MCPAN -e shell (to get an interactive CPAN shell) perl -MCPAN -e ‘install Time::JulianDay’ (if you know the name of the module, you can install it directly without interacting with the CPAN shell) … Read more

Access denied for user ‘ODBC’@’localhost

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rajeshkumar created the topic: Access denied for user ‘ODBC’@’localhost I am getting following error while running following command…any help > perl -MCPAN -e “install DBD::mysql”; Error D:\wamp\bin\mysql\MYSQL5~1.36\bin\MYSQLA~1.EXE: connect to server at ‘localhost’ failed error: ‘Access denied for user ‘ODBC’@’localhost’ (using password: NO)’ Problem running D:\wamp\bin\mysql\MYSQL5~1.36\bin\MYSQLA~1.EXE – aborting … Regards, Rajesh Kumar Twitt me @ twitter.com/RajeshKumarIn

Use of use DBI;

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scmuser created the topic: Use of use DBI; Hi, why do we use following syntax in perl program. can you please explain it? use DBI; rajeshkumar replied the topic: Re: Use of use DBI; Perl’s coolest modules is the Perl database interface (DBI). This module offers a unified interface to different databases, providing a series … Read more

Connect to my MySQL database using Perl?

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rajeshkumar created the topic: connect to my MySQL database using Perl? #!/usr/bin/perl use DBI; $database = “DBNAME”; $hostname = “DBSERVER”; $port = “3306”; $username = “DBUSERNAME”; $password = ‘DBPASSWORD’; $dsn = “DBI:mysql:database=$database;host=$hostname;port=$port”; $dbh = DBI->connect($dsn, $username, $password) or die(“Could not connect!”); $sql = “SELECT * FROM mytable”; $sth = $dbh->prepare($sql); $sth->execute; while(($column1, $column2) = $sth->fetchrow_array) … Read more

Why we use ‘use strict’ in perl

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scmuser created the topic: Why we use ‘use strict’ in perl Hi, Why you should ‘use strict’? what is the significant of “strict” in out module? rajeshkumar replied the topic: Re: Why we use ‘use strict’ in perl Whenever your program gets over a few lines long, definitely when you can’t view the whole program … Read more

Difference between exec and system in perl?

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scmuser created the topic: Difference between exec and system in perl? What are the Difference between exec and system in perl? please explain…. rajeshkumar replied the topic: Re: Difference between exec and system in perl? exec function in perl The exec function executes a system command and never returns; use system instead of exec if … Read more