Chapter 5-6 Flashcards
1
Q
first line of the file
A
!/bin/perl
2
Q
first line of the file
A
!/bin/perl
3
Q
A
open BEDROCK, ‘>’, ‘myfile.txt’;
print BEDROCK “Hello”;
close BEDROCK;
4
Q
Hash =
A
a data structure that, like an array,can hold any number of values.
5
Q
difference from arrays and hashes
A
There’s no fixed order.
There’s no first element.
It’s all key-value pairs.
6
Q
Hash Sample
A
$family_name{'fred'} = 'flintstone';
$hash{$some_key}= 'value';
7
Q
building hashes (%)
A
%hash = (‘eleA’,’item1’,’eleB’,’item2’);
8
Q
A
open BEDROCK, ‘>’, ‘myfile.txt’;
print BEDROCK “Hello”;
close BEDROCK;
9
Q
Hash =
A
a data structure that, like an array,can hold any number of values.
10
Q
difference from arrays and hashes
A
There’s no fixed order.
There’s no first element.
It’s all key-value pairs.
11
Q
Hash Sample
A
$family_name{'fred'} = 'flintstone';
$hash{$some_key}= 'value';
12
Q
building hashes (%)
A
%hash = (‘eleA’,’item1’,’eleB’,’item2’);
