開発環境
- OS X Lion - Apple(OS)
- BBEdit - Bare Bones Software, Inc., Emacs(Text Editor)
- プログラミング言語: Perl
『初めてのPerl 第6版』(Randal L. Schwartz, Tom Phoenix, brian d foy 共著、近藤 嘉雪 訳、オライリー・ジャパン、2012年、ISBN978-4-87311-567-2)の4章(サブルーチン)の4.12(練習問題)1を解いてみる。
その他参考書籍
1.
コード(BBEdit)
sample.pl
#!/usr/bin/env perl
use strict;
use warnings;
use 5.016;
use utf8;
binmode STDOUT, ':utf8';
binmode STDIN, ':utf8';
sub total {
my $result = 0;
for (@_) {
$result += $_;
}
$result;
}
my @fred = qw{ 1 3 5 7 9 };
my $fred_total = total(@fred);
print "The total of \@fred is $fred_total.\n";
print "Enter some numbers on seqarate lines: ";
my $user_total = total(<STDIN>);
print "The total of those numbers is $user_total.\n";
入出力結果(Terminal)
$ ./sample.pl The total of @fred is 25. Enter some numbers on seqarate lines: 1 2 3 4 5 6 7 8 9 10 The total of those numbers is 55. $
ちなみにpython3.3の場合。
コード(BBEdit)
sample.py
#!/usr/bin/env python3.3
#-*- coding: utf-8 -*-
spam = [1, 3, 5, 7, 9]
def total(a):
res = 0
for n in a:
res += n
return res
spam_total = total(spam)
print("The total of spam is {0}.".format(spam_total))
print("Enter some numbers on separate lines: ")
user_numbers = []
while True:
n = input()
if n == "":
break
user_numbers.append(float(n))
user_total = total(user_numbers)
print("The total of those numbers is {0:g}".format(user_total))
入出力結果(Terminal)
$ ./sample.py The total of spam is 25. Enter some numbers on separate lines: 1 2 3 4 5 6 7 8 9 10 The total of those numbers is 55 $
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