Web Technology Experts Notes

Monday, 4 September 2017

Unix Shell Scripting Tutorial - page 7

Question: What is meaning of first line in unix?

#!/bin/bash

This indicates that the script should be run in the bash shell regardless of which interactive shell.

Question: What sign is used in unix for comment a line?
Pound Sign

Pound sign (#), is used to comment a line.

# echo "this is comment"

Question: When to use single quote OR Double quote?
Single quote: When you are assigning string without variable, then you should use single quote.
Double quote: When you are assigning string with variable, then you should use Double quote.

Question: What's wrong in following variable?

strVar = "Hello World! How are you?" 
echo $strVar;

There should not be space before and after the equal sign (=). Correct code are below:

strVar="Hello World! How are you?" 
echo $strVar;

Question: Give sample example of If else?

if condition1
then
 statement1
 statement2
 statement3
 
else
 statement4
 statement5
fi

Question: Give sample example of If elseif?

if condition1
then
 statement1
 statement2
 statement3
 
elif condition2
then
 statement4
 statement5
 
elif condition3
then
 statement6
 statement7
 statement8
fi

Question: Give list of Operator used in unix shell scripting?

Operator	Results	number of operands
-n	operand non zero length	1
-z	operand has zero length	1
-d	there exists a directory whose name is operand	1
-f	there exists a file whose name is operand	1
-eq	the operands are integers and they are equal	2
-neq	the opposite of -eq	2
=	the operands are equal (as strings)	2
!=	opposite of =	2
-lt	operand1 is strictly less than operand2 (both operands should be integers)	2
-gt	operand1 is strictly greater than operand2 (both operands should be integers)	2
-ge	operand1 is greater than or equal to operand2 (both operands should be integers)	2
-le	operand1 is less than or equal to operand2 (both operands should be integers)	2

Saturday, 2 September 2017

How to attach a CSV file to email - Zend

To send CSV in email, you must have following.

Receiver email address
CSV file that want to send as attachment.
SMTP Credentials like SMTP USRNAME, SMTP PASSWORD, SMTP HOST, SMTP PORT

Script Code

    $toEmail='toemailaddress@domain.com'; //Receiver email address
    $subject='Email with attachment';//Email subject
    $htmlEmail='Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut eget nibh consectetur, mattis mauris vitae, aliquam orci. Nunc pretium tristique metus eget pharetra. Ut condimentum purus in ex varius, quis bibendum ex venenatis. Praesent leo lacus, feugiat vel neque ac, finibus ultricies velit. Nunc venenatis sem eu ullamcorper interdum. Fusce a pulvinar risus, quis viverra nulla. Donec tempus ex congue mauris elementum, eget fermentum orci dapibus. Proin erat lacus, lacinia eu volutpat quis, sagittis suscipit erat. Maecenas nulla enim, tempor ac urna id, tincidunt consectetur metus. Maecenas tincidunt, tortor quis sodales rutrum, purus mi accumsan libero, id maximus purus leo id ante. In posuere erat ipsum, sed mattis est placerat eget. Phasellus consectetur diam augue, sed luctus libero consequat quis. Praesent vel mauris nec ligula malesuada faucibus. Suspendisse ultrices nunc velit, in ultricies nibh tempus id. Integer quis nisi ipsum.'
            . 'This is html email.';


    //Email Configuration
    $config = array(
        'auth' => 'login',
        'ssl' => 'tls',
        'port' => '587',
        'username' => 'MAIL_USERNAME',
        'password' => 'MAIL_PASSWORD'
    );
    $tr = new Zend_Mail_Transport_Smtp('MAIL_HOST', $config);
    Zend_Mail::setDefaultTransport($tr);
    $mail = new Zend_Mail('UTF-8');
    $mail->setFrom(MAIL_SENDER_EMAIL, MAIL_SENDER_NAME);
    $mail->addTo($toEmail);
    $mail->setSubject($subject);
    $mail->setBodyHtml($htmlEmail);


    //Attachment Email
    //Get the contents of csv file
    $csvContent=  file_get_contents('http://example.com/projects/export-csv.csv');
    $at = new Zend_Mime_Part($csvContent);
    $at->type        = 'text/csv';
    $at->disposition = Zend_Mime::DISPOSITION_INLINE;
    $at->encoding    = Zend_Mime::ENCODING_BASE64;
    $at->filename    = 'csv-file.csv'; 

    //Attach the attachment in Email
    $mail->addAttachment($at);

    //Send Email
    $mail->send();

Question: How to send image as attachment in Email?
Following are attachment code.

$myImage=  file_get_contents('http://example.com/images/powered-by-georama-dark.png');
$at = new Zend_Mime_Part($myImage);
$at->type        = 'image/gif';
$at->disposition = Zend_Mime::DISPOSITION_INLINE;
$at->encoding    = Zend_Mime::ENCODING_BASE64;
$at->filename    = 'imagename.gif'; 

$mail->addAttachment($at);

Monday, 4 September 2017

Unix Shell Scripting Tutorial - page 7

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Saturday, 2 September 2017

How to attach a CSV file to email - Zend

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