ruby 英文发音:['ruːbɪ]
中文释义:n. 红宝石;红宝石色
例句:
I wonder what kind of ring he got her? He bought me a ruby.
我想知道他给她买的什么样的戒指,他给我的是红宝石的。
短语:
1、ruby wedding 红宝石婚
2、ruby glass 红宝石玻璃
3、ruby laser 红宝石激光,红宝石激...
4、oriental ruby 红宝石 ruby crystal
5、ruby ring 红宝石戒指
6、feminine ruby 淡红色红宝石
扩展资料
ruby 的短语解析:
1、ruby ring
英文发音:[ˈruːbi rɪŋ]
中文释义:红宝石戒指
例句:
The left hand wearing a ruby ring's owner so that we return to the salesman.
这个左手戴着一只红宝石戒指的老板让售货员给我们退货。
2、ruby wedding
英文发音:[ˌruːbi ˈwedɪŋ]
中文释义:红宝石婚(结婚40周年纪念)
例句:
I am struggling to think of a suitable Ruby Wedding Anniversary present for my folks.
我正在努力为我的家人准备一份合适的红宝石结婚纪念日礼物。
不土。
Ruby常见英文名音译是鲁迪,鲁比。常用作女孩名。出自德语、法语,Ruby是个冷门的名字,Ruby给人的印象是有创造力、善于表达、有礼貌。
r开头的女英文名:
1、【Raina】
寓意:女王,来自斯拉夫语。运用在女孩英文名字时寓意着聪明,能干,有胆识等意思。
2、【Riannon】
寓意:伟大的女王,来自威尔士。运用在女孩英文名字时寓意着受人尊重的,有领导风范等意思。
3、【Richelle】
寓意:强大的统治者,来自古德语。运用在女孩英文名字时寓意着能量强,有独到的见解等意思。
4、【Rita】
寓意:珍珠,珍贵的。引申为女孩美丽,珍贵,光明等意思。
一、新建文件
f=File.new(File.join("C:","Test.txt"), "w+")
f.puts("I am Jack")
f.puts("Hello World")
文件模式
"r" :Read-only. Starts at beginning of file (default mode).
"r+" :Read-write. Starts at beginning of file.
"w" :Write-only. Truncates existing file to zero length or creates a new file for writing.
"w+" :Read-write. Truncates existing file to zero length or creates a new file for reading and writing.
"a" :Write-only. Starts at end of file if file existsotherwise, creates a new file for writing.
"a+" :Read-write. Starts at end of file if file existsotherwise, creates a new file for reading and writing.
"b" :(DOS/Windows only.) Binary file mode. May appear with any of the key letters listed above
二、读取文件
file=File.open(File.join("C:","Test.txt"),"r")
file.each { |line| print "#{file.lineno}.", line }
file.close
三、新建、删除、重命名文件
File.new( "books.txt", "w" )
File.rename( "books.txt", "chaps.txt" )
File.delete( "chaps.txt" )
四、目录操作
1 创建目录
Dir.mkdir("c:/testdir")
04 #删除目录
05 Dir.rmdir("c:/testdir")
07 #查询目录里的文件
08 p Dir.entries(File.join("C:","Ruby")).join(' ')
10 #遍历目录
11 Dir.entries(File.join("C:","Ruby")).each {
|e| puts e
}
1、ARGV and ARGF
ARGV
ARGV <<"cnblogslink.txt"
#The gets method is a Kernel method that gets lines from ARGV
print while gets
p ARGV.class
ARGF
while line = ARGF.gets
print line
end
2、文件信息查询
#文件是否存在
p File::exists?( "cnblogslink.txt" ) # =>true
#是否是文件
p File.file?( "cnblogslink.txt" ) # =>true
#是否是目录
p File::directory?( "c:/ruby" ) # =>true
p File::directory?( "cnblogslink.txt" ) # =>false
#文件权限
p File.readable?( "cnblogslink.txt" ) # =>true
p File.writable?( "cnblogslink.txt" ) # =>true
p File.executable?( "cnblogslink.txt" ) # =>false
#是否是零长度
p File.zero?( "cnblogslink.txt" ) # =>false
#文件大小 bytes
p File.size?( "cnblogslink.txt" ) # =>74
p File.size( "cnblogslink.txt" ) # =>74
#文件或文件夹
p File::ftype( "cnblogslink.txt" ) # =>"file"
#文件创建、修改、最后一次存取时间
p File::ctime( "cnblogslink.txt" ) # =>Sat Sep 19 08:05:07 +0800 2009
p File::mtime( "cnblogslink.txt" ) # =>Sat Sep 19 08:06:34 +0800 2009
p File::atime( "cnblogslink.txt" ) # =>Sat Sep 19 08:05:07 +0800 2009
3、查找文件
puts "查找目录下所有文件及文件夹"
Dir["c:/ruby/*"].each {|x|
puts x
}
puts "条件查询"
Dir.foreach('c:/ruby') {
|x| puts x if x != "." &&x != ".."
}
puts "查找某一类型文件"
Dir["*.rb"].each {|x|
puts x
}
puts "Open 查询"
Dir.open('c:/ruby') { |d| d.grep /l/ }.each{|x| puts x}
puts "---------------------------"
puts "正则表达式查询"
Dir["c:/ruby/ruby/[rs]*"].each{|x| puts x}
puts "------------------------"
Dir["c:/ruby/[^s]*"].each{|x| puts x}
puts "------------------------"
Dir["c:/ruby/{ruby,li}*"].each{|x| puts x}
puts "------------------------"
Dir["c:/ruby/?b*"].each{|x| puts x}
puts "查找目录及子目录的文件"
require 'find'
Find.find('./') { |path| puts path }
3、查询目录及子目录文件
require "find"
Find.find("/etc/passwd", "/var/spool/lp1", ".") do |f|
Find.prune if f == "."
puts f
end
原型:ref.find( [ aName ]* ) {| aFileName | block }
prune:Skips the current file or directory, restarting the loop with the next entry. If the current file is a directory, that directory will not be recursively entered. Meaningful only within the block associated with Find::find.
4、文件比较 复制等
require 'ftools'
File.copy 'testfile', 'testfile1' » true
File.compare 'testfile', 'testfile1' » true