02-26-2009
Padding With White Space Between Variables
Dear Users,
How do we pad with white space of particular length between two variables.
For Example:
Suppose i define the variables as follows:
a='toyota'
b='camry'
c='honda'
d='accord'
e=`echo "$a"'\n'"$b"`
f=`echo "$c"'\n'"$d"`
If i do an echo on variables e and f i get :
echo "$e" will give
toyota
camry
echo "$f" will give
honda
accord
I want to pad white space of length 30 between variables e and f so that i get the result as :
honda toyota
accord camry
I tried using the below but it is not working:
typeset -R20 e
if i give echo "$f""$e" it is giving the result as :
honda
accord toyota
camry
which is wrong. I want the final result as:
honda toyota
accord camry
honda accord and toyota camry should be separated by white space of length 30.
How can i do this in unix?
Thanks
Sandeep
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LEARN ABOUT DEBIAN
perl::critic::policy::variables::prohibitlocalvars
Perl::Critic::Policy::Variables::ProhibitLocalVars(3pm) User Contributed Perl DocumentationPerl::Critic::Policy::Variables::ProhibitLocalVars(3pm)
NAME
Perl::Critic::Policy::Variables::ProhibitLocalVars - Use "my" instead of "local", except when you have to.
AFFILIATION
This Policy is part of the core Perl::Critic distribution.
DESCRIPTION
Since Perl 5, there are very few reasons to declare "local" variables. The most common exceptions are Perl's magical global variables. If
you do need to modify one of those global variables, you should localize it first. You should also use the English module to give those
variables more meaningful names.
local $foo; #not ok
my $foo; #ok
use English qw(-no_match_vars);
local $INPUT_RECORD_SEPARATOR #ok
local $RS #ok
local $/; #not ok
CONFIGURATION
This Policy is not configurable except for the standard options.
NOTES
If an external module uses package variables as its interface, then using "local" is actually a pretty sensible thing to do. So
Perl::Critic will not complain if you "local"-ize variables with a fully qualified name such as $Some::Package::foo. However, if you're in
a position to dictate the module's interface, I strongly suggest using accessor methods instead.
SEE ALSO
Perl::Critic::Policy::Variables::ProhibitPunctuationVars
AUTHOR
Jeffrey Ryan Thalhammer <jeff@imaginative-software.com>
COPYRIGHT
Copyright (c) 2005-2011 Imaginative Software Systems. All rights reserved.
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. The full text of this license
can be found in the LICENSE file included with this module.
perl v5.14.2 2012-06-07 Perl::Critic::Policy::Variables::ProhibitLocalVars(3pm)