10 More Discussions You Might Find Interesting
1. Homework & Coursework Questions
Hello :)
I created a little script that allow to make a rotation of values in an array. The goal was to shift the values to the right and that the last value of the array became the first value in order to create a rotation.
The purpose of the exercice was to do it without using a temporary... (6 Replies)
Discussion started by: Nexy
6 Replies
2. Shell Programming and Scripting
Hello :)
I created a little script that allow to make a rotation of values in an array. The goal was to shift the values to the right and that the last value of the array became the first value in order to create a rotation.
The purpose of the exercice was to do it without using a temporary... (3 Replies)
Discussion started by: Nexy
3 Replies
3. UNIX for Beginners Questions & Answers
Hello Experts,
I was trying to awk out some data out of a text file.
Below is a sample file which I have
xxx ***Wed Jun 28 18:00:59 CDT 2015
avg-cpu: %user %nice %system %iowait %steal %idle
17.10 0.00 4.56 2.86 0.00 75.48
Device: rrqm/s wrqm/s ... (2 Replies)
Discussion started by: DevAnand
2 Replies
4. Shell Programming and Scripting
I'm trying to exlude a list of values with perl to process while reading in a file. Is there a way to use the next if with a list?
Example:
@array = qw(val1 val2 val3 val6);
while (<>) {
next if $_ =~ @array; # values I don't want to process here
print; # process the rest here
}... (8 Replies)
Discussion started by: timj123
8 Replies
5. Shell Programming and Scripting
I know that
@food = %fruit;
Works. But how do I assign %fruit and %veggies to @food ? (2 Replies)
Discussion started by: popeye
2 Replies
6. UNIX for Advanced & Expert Users
Hi,
i want to search and replace array values by using perl
perl -pi -e "s/${d$i]}/${b$j]}" *.xml
i am using while loop for the same. if i excute this,it shows "Substitution replacement not terminated at -e line 1.".
please tell me what's wrong this line (1 Reply)
Discussion started by: arindam guha
1 Replies
7. UNIX for Dummies Questions & Answers
Hi,
I'm trying to write a bash script that takes a file and passes each line from the file into an array with elements separated by column.
For example:
Sample file "file1.txt":
1 name1 a first
2 name2 b second
3 name3 c third
and have arrays such as:
line1 = ( "1" "name1" "a"... (3 Replies)
Discussion started by: ShiGua
3 Replies
8. Shell Programming and Scripting
Hi,
I have 2 arrays:
@names=qw(amith veena chaitra);
@files=qw(file.txt file1.txt file3.txt);
There is one to one relationship between names and files.
There needs to be mapping created between names and files.
The output should be like this:
amith --> file.txt
veena --->... (3 Replies)
Discussion started by: vanitham
3 Replies
9. Shell Programming and Scripting
Hi
can anyone suggest me how to write a file containing values,... say
19
20
21
22
..
40
to an array @array = (19, 20, ... 40)
-- Thanks (27 Replies)
Discussion started by: meghana
27 Replies
10. Shell Programming and Scripting
I have to add a variable value to an array, something like this:
......
@my_array_name = $value_of_this_variable;
This doesnt seem to work, any ideas why?
Thanks! (4 Replies)
Discussion started by: looza
4 Replies
Imager::QRCode(3pm) User Contributed Perl Documentation Imager::QRCode(3pm)
NAME
Imager::QRCode - Generate QR Code with Imager using libqrencode
SYNOPSIS
use Imager::QRCode;
my $qrcode = Imager::QRCode->new(
size => 2,
margin => 2,
version => 1,
level => 'M',
casesensitive => 1,
lightcolor => Imager::Color->new(255, 255, 255),
darkcolor => Imager::Color->new(0, 0, 0),
);
my $img = $qrcode->plot("blah blah");
$img->write(file => "qrcode.gif");
# or instance method
use Imager::QRCode qw(plot_qrcode);
my $img = plot_qrcode("blah blah", \%params);
$img->write(file => "qrcode.gif");
DESCRIPTION
This module allows you to generate QR Code with Imager. This module use libqrencode '2.0.0' and above.
METHODS
new
$qrcode = Imager::QRCode->new(%params);
The "new()" constructor method instantiates a new Imager::QRCode object. "new()" accepts the following parameters.
o "size" - Horizontal and vertical size of module(dot). Default is 4.
o "margin" - Margin size of QR Code. Default is 3.
o "level" - Error collectin level. Valid values are 'M', 'L', 'Q' or 'H'. Default is 'L'.
o "version" - Version of the symbol. If specify '0', this module chooses the minimum version for the input data. Default is '0'.
o "mode" - Encoding mode. Valid values are 'numerical', 'alpha-numerical', '8-bit' or 'kanji'. Default is '8-bit'.
If not give "casesensitive" then should be given "mode". If 'kanji' is given, characters will be encoded as Shift-JIS characters.
If '8-bit' is given, all of non-alpha-numerical characters will be encoded as is. If you want to embed UTF-8 string, choose
'8-bit'.
o "casesensitive" - If your application is case-sensitive using 8-bit characters, set to '1'. Default is '0'.
plot($text)
$img = $qrcode->plot("blah blah");
Create a new QR Code image. This method returns Imager object ploted QR Code with the given text.
INSTANT METHODS
plot_qrcode($text, \%params)
Instant method. $text is input text. %params is same parameter as "new()".
SEE ALSO
"Imager", "http://www.qrcode.com/", "http://megaui.net/fukuchi/works/qrencode/index.en.html"
AUTHOR
Yoshiki KURIHARA "<kurihara __at__ cpan.org>"
THANKS
Tokuhiro Matsuno
LICENCE AND COPYRIGHT
Copyright (c) 2011, Yoshiki KURIHARA "<kurihara __at__ cpan.org>".
This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. See perlartistic.
perl v5.14.2 2012-12-16 Imager::QRCode(3pm)