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Shell Programming and Scripting
problem with an IF statement
Post 35554 by hcclnoodles on Thursday 17th of April 2003 06:21:04 AM
04-17-2003
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I keep getting an error at line 21, it doesn't like my if statement. Previously I have tried using (( )), but still get errors. The current error is that server_busy is not found. This is the script:
#! /bin/ksh
server_busy="na"
for file in $1 $2 $3 $4 $5 $6
do
echo " ${file}\t\c"
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hi all. i just have a very small problem. i have a menu of 7 choices. i want an if statement so that if the user chooses anything except inside the 1 to 7 range, i can handle the error for it.
i tried this:
if ]
then
.......
fi
(but it dont work)
...any suggestions?
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The problem I am having here is that only the 1st option is executed, no matter if I pick yes or no. What am I doing wrong? How can I get this working right without resorting to a case statement?
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Hi I have a bash script like this
if
then
echo "A"
else
echo "B"
fi
$1 is something like 02350 (there is always a trailing '0')
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echo "Enter the variable: " "
read var1
echo " "
for i in ib eb atm
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if ; then
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break
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done
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Hi All,
I am writing an if statement to check multiple conditions, but when I try to execute the script it is breaking at the point of if statement by showing the issue below.
Code I am using is given below.
if -a ]
then
....
else
...
fi
I am not understanding... (3 Replies)
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LEARN ABOUT DEBIAN
imager::qrcode
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)