03-28-2008
How to grab the value of field before the line reached
Hi.
I have a qury whihc I hope someone could clarify.
I have a file:-
Num Measure
108 0.05
12 0.45
13 0.2
19 0.5
I wanted to grep the value of 19 from Column Num which will then take the minimum value of measure (not including 19's measure value). Means in this case, i am hoping to get 0.05 as the mininum of (0.05,0.45 and 0.2) right before the entry 19. Anyone could advise me on this?
Thanks and appreciate alot.
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LEARN ABOUT DEBIAN
mousex::nativetraits::num
MouseX::NativeTraits::Num(3pm) User Contributed Perl Documentation MouseX::NativeTraits::Num(3pm)
NAME
MouseX::NativeTraits::Num - Helper trait for Num attributes
SYNOPSIS
package Real;
use Mouse;
has 'integer' => (
traits => ['Number'],
is => 'ro',
isa => 'Num',
default => 5,
handles => {
set => 'set',
add => 'add',
sub => 'sub',
mul => 'mul',
div => 'div',
mod => 'mod',
abs => 'abs',
},
);
my $real = Real->new();
$real->add(5); # same as $real->integer($real->integer + 5);
$real->sub(2); # same as $real->integer($real->integer - 2);
DESCRIPTION
This provides a simple numeric attribute, which supports most of the basic math operations.
PROVIDED METHODS
It is important to note that all those methods do in place modification of the value stored in the attribute. These methods are implemented
within this package.
set($value)
Alternate way to set the value.
add($value)
Adds the current value of the attribute to $value.
sub($value)
Subtracts $value from the current value of the attribute.
mul($value)
Multiplies the current value of the attribute by $value.
div($value)
Divides the current value of the attribute by $value.
mod($value)
Returns the current value of the attribute modulo $value.
abs Sets the current value of the attribute to its absolute value.
METHODS
meta
method_provider_class
helper_type
SEE ALSO
MouseX::NativeTraits
perl v5.14.2 2011-12-04 MouseX::NativeTraits::Num(3pm)