Ruby
塼ȥꥢ: Rubyδ

RubyΡ1ԥץ

ץȸȤƤʷϵΤäƤ餦Ruby1ԥץ򤤤ĤҲ𤷤ޤ礦

# ͳ Hello world.
print "Hello world\n"

# ϥե"From "ޤԤ
while gets(); print if /From / end

# ե˹ֹĤ
while gets(); print $., ":", $_ end

# Фη׻
print 4*Math.atan2(1,1), "\n"

RubyΥ

RubyΥȤ#ޤǤǤ

Rubyμ

RubyμϰʲΤΤޤ(ʤ)

ʸ

ʸϥ󥰥륯(')ޤϥ֥륯(")ǰϤޤ줿ΤǤ֥륯ȤǰϤޤ줿ʸǤCʸƱ褦ʥХåå (\)ˤ륨פǤޤޤ#{}ǰϤϰμη̤ޤޤ

ưޤ

/Ϣ

[]ǰϤޤ줿¤Ӥ֤ޤ{}ǰϤޤ줿¤ӤϢ֤ޤ

ϢȤǤդμΥ֥ȤźˤȤǤϥåɽȤȤƤФ뤳Ȥ⤢ޤ

ѿ/

Rubyˤѿ3ޤѿ/μ̤Ϥκǽ1ʸǶ̤Ǥޤ

ѿ

ʸΥե٥åȤϤޤ롥Ȥˤǽɬפ롥

Хѿ

$Ϥޤ롥̤ͤnil

󥹥ѿ

@Ϥޤ롥̤ͤnil

饹ѿ

@@Ϥޤ롥̤ͤnil

饹

ʸΥե٥åȤϤޤ롥̤ͤnil

ѿؤϰʲηǤ

ѿ = 

᥽å(ؿ)ƤӽФ

륪֥Ȥ˸ͭ(᥽å)¹Ԥ뤿ηϰʲ̤Ǥ

 . ᥽å̾
 . ᥽å̾ ( ..)

ۣǤʤ¤γ̤ϾάǤޤ

᥽åɤμ¹ԼΤǤselfΥ᥽åɸƤӽФϺǽμάǤޤ

᥽å̾
᥽å̾ ( ..)

̵᥽åɸƤӽФȥѿλȤ̵ͭǶ̤ޤ

黻Ҽ

̾ο(CȤۤƱ)黻ҤȤäɽǤޤŪˤϱ黻Ҥ(黻Ҥ̾˻)᥽åɸƤӽФȤƽƤޤ

Rubyʸ

RubyǤǤդμ򥻥ߥ(;)ޤϲԤǶڤä¤ӤʸȤޤʸͤϰֺǸ˼¹Ԥ줿ͤǤ

Ruby湽¤

RubyǤϰʲ湽¤ѤǤޤ

• if then ʸ [elsif then ʸ].. [else ʸ ]end
• case when ..; ʸ... [else ʸ ]end
• while ; ʸ end
• for ѿ.. in ; ʸ end

ifwhileΰ̣̾θȤۤƱǤifʸthenϥߥޤϲԤѤǤޤCǤelse ifȵҤΤRubyǤelsifȤҤȤĤˤʤäƤ뤳Ȥ˵ĤƤ

caseʣӤҤȤĤˤޤȤ뤿湽¤Ǥ

forʤɤǤҤȤĤѿʤ롼פޤ

롼ǤϰʲʸȤޤ

break

롼פμ¹ԤǤޤ(Cbreak)

next

롼פμμ¹Ԥ򳫻Ϥޤ(Ccontinue)

redo

֥åƬԤľޤ

ɤȤ³

RubyΥץɤȤ³򤤤ĤҲ𤷤ƤޤObject饹Υ᥽åɤǡɤΥ饹ǤؿΤ褦˻Ȥޤ

exit([ơ])

ץμ¹ԤλޤơȤꤵ줿ˤϤ줬λơȤʤޤơΥǥեȤ0Ǥ

gets

ޥɥ饤ǻꤵ줿ե() 1ɤ߹ǡιԤʸȤ֤ޤޥɥ饤ꤵƤʤˤϡɸϤɤ߹ߤޤɤ߹ʸѿ $_ˤޤեνǤnil()֤ޤ

while gets
  ...
end

ȤΤɤȤŵŪʥѥǤ

open(ե̾[, ⡼])

ե򥪡ץ󤷤ޤ⡼ɤʸCfopenƱǤάˤɤ߹ߥ⡼ɤǥץ󤵤ޤ

print

ϴؿɸϤ˽Ϥޤά줿ˤѿ$_ͤϤޤ