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Mohd Mohtashim has Published 251 Articles
Mohd Mohtashim
511 Views
If you want to send HTML formatted email using sendmail, then you simply need to add Content-type: text/html in the header part of the email as follows −#!/usr/bin/perl $to = 'abcd@gmail.com'; $from = 'webmaster@yourdomain.com'; $subject = 'Test Email'; $message = 'This is test email sent by Perl Script'; open(MAIL, "|/usr/sbin/sendmail -t"); ... Read More
Mohd Mohtashim
226 Views
If you are working on Linux/Unix machine then you can simply use sendmail utility inside your Perl program to send email. Here is a sample script that can send an email to a given email ID. Just make sure the given path for sendmail utility is correct. This may be different for ... Read More
Mohd Mohtashim
244 Views
The \G assertion in Perl allows you to continue searching from the point where the last match occurred. For example, in the following code, we have used \G so that we can search to the correct position and then extract some information, without having to create a more complex, single ... Read More
Mohd Mohtashim
1K+ Views
From a regular-expression point of view in Perl, there is no difference between the following two expressions except that the former is slightly clearer.$string =~ /(\S+)\s+(\S+)/; and $string =~ /\S+\s+\S+/;However, the benefit of grouping is that it allows us to extract a sequence from a regular expression. Groupings are returned ... Read More
Mohd Mohtashim
218 Views
Matching Boundaries in PerlThe \b matches at any word boundary in Perl, as defined by the difference between the \w class and the \W class. Because \w includes the characters for a word, and \W the opposite, this normally means the termination of a word. The \B assertion matches any position that is not ... Read More
Mohd Mohtashim
555 Views
Translation is similar, but not identical, to the principles of substitution in Perl, but unlike substitution, translation (or transliteration) does not use regular expressions for its search on replacement values. The translation operators are −tr/SEARCHLIST/REPLACEMENTLIST/cds y/SEARCHLIST/REPLACEMENTLIST/cdsThe translation replaces all occurrences of the characters in SEARCHLIST with the corresponding characters in ... Read More
Mohd Mohtashim
2K+ Views
The substitution operator s/// in Perl is really just an extension of the match operator that allows you to replace the text matched with some new text. The basic form of the operator is −s/PATTERN/REPLACEMENT/;The PATTERN is the regular expression for the text that we are looking for. The REPLACEMENT ... Read More
Mohd Mohtashim
204 Views
There is a simpler version of the match operator in Perl - the ?PATTERN? operator. This is basically identical to the m// operator except that it only matches once within the string you are searching between each call to reset.For example, you can use this to get the first and ... Read More
Mohd Mohtashim
1K+ Views
The match operator m// in Perl, is used to match a string or statement to a regular expression. For example, to match the character sequence "foo" against the scalar $bar, you might use a statement like this −Example Live Demo#!/usr/bin/perl $bar = "This is foo and again foo"; if ($bar =~ ... Read More
Mohd Mohtashim
188 Views
There are various File Handle related Special Variables in Perl. We have listed them in different below in tabular form:$|If set to nonzero, forces an fflush(3) after every write or print on the currently selected output channel.$OUTPUT_AUTOFLUSH$%The current page number of the currently selected output channel.$FORMAT_PAGE_NUMBER$=The current page length (printable ... Read More