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  1. rbconfig ruby
  2. fiddle ruby_free
  3. fiddle build_ruby_platform
  4. rake ruby
  5. rubygems/defaults ruby_engine

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IO#each(limit, chomp: false) -> Enumerator (18167.0)

IO の現在位置から 1 行ずつ文字列として読み込み、それを引数として 与えられたブロックを実行します。

...ープンされていなければ発生します。

//emlist[例: 引数なし][ruby]{
IO.write("testfile", "This is line one,\nThis is line two,\nThis is line three,\nAnd so on...")
f = File.new("testfile")
f.each { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one,\n"
# "2: This is line...
...: 行の区切りに半角カンマ、最大読み取りバイト数に 10 を指定][ruby]{
IO.write("testfile", "This is line one,This is line two,This is line three,And so on...")
f = File.new("testfile")
f.each(",", 10) { |line| p "#{f.lineno}: #{line}" }
# => "0: This is li"
# "1: ne one,"
# "1...
...is li"
# "3: ne three,"
# "3: And so on."
# "4: .."
//}
//emlist[例: chomp = true][ruby]{
IO.write("testfile", "This is line one\nThis is line two\nThis is line three\nAnd so on...")
f = File.new("testfile")
f.each(chomp: true) { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one"
# "2: T...

IO#each(limit, chomp: false) {|line| ... } -> self (18167.0)

IO の現在位置から 1 行ずつ文字列として読み込み、それを引数として 与えられたブロックを実行します。

...ープンされていなければ発生します。

//emlist[例: 引数なし][ruby]{
IO.write("testfile", "This is line one,\nThis is line two,\nThis is line three,\nAnd so on...")
f = File.new("testfile")
f.each { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one,\n"
# "2: This is line...
...: 行の区切りに半角カンマ、最大読み取りバイト数に 10 を指定][ruby]{
IO.write("testfile", "This is line one,This is line two,This is line three,And so on...")
f = File.new("testfile")
f.each(",", 10) { |line| p "#{f.lineno}: #{line}" }
# => "0: This is li"
# "1: ne one,"
# "1...
...is li"
# "3: ne three,"
# "3: And so on."
# "4: .."
//}
//emlist[例: chomp = true][ruby]{
IO.write("testfile", "This is line one\nThis is line two\nThis is line three\nAnd so on...")
f = File.new("testfile")
f.each(chomp: true) { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one"
# "2: T...

IO#each(rs = $/, chomp: false) -> Enumerator (18167.0)

IO の現在位置から 1 行ずつ文字列として読み込み、それを引数として 与えられたブロックを実行します。

...ープンされていなければ発生します。

//emlist[例: 引数なし][ruby]{
IO.write("testfile", "This is line one,\nThis is line two,\nThis is line three,\nAnd so on...")
f = File.new("testfile")
f.each { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one,\n"
# "2: This is line...
...: 行の区切りに半角カンマ、最大読み取りバイト数に 10 を指定][ruby]{
IO.write("testfile", "This is line one,This is line two,This is line three,And so on...")
f = File.new("testfile")
f.each(",", 10) { |line| p "#{f.lineno}: #{line}" }
# => "0: This is li"
# "1: ne one,"
# "1...
...is li"
# "3: ne three,"
# "3: And so on."
# "4: .."
//}
//emlist[例: chomp = true][ruby]{
IO.write("testfile", "This is line one\nThis is line two\nThis is line three\nAnd so on...")
f = File.new("testfile")
f.each(chomp: true) { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one"
# "2: T...

IO#each(rs = $/, chomp: false) {|line| ... } -> self (18167.0)

IO の現在位置から 1 行ずつ文字列として読み込み、それを引数として 与えられたブロックを実行します。

...ープンされていなければ発生します。

//emlist[例: 引数なし][ruby]{
IO.write("testfile", "This is line one,\nThis is line two,\nThis is line three,\nAnd so on...")
f = File.new("testfile")
f.each { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one,\n"
# "2: This is line...
...: 行の区切りに半角カンマ、最大読み取りバイト数に 10 を指定][ruby]{
IO.write("testfile", "This is line one,This is line two,This is line three,And so on...")
f = File.new("testfile")
f.each(",", 10) { |line| p "#{f.lineno}: #{line}" }
# => "0: This is li"
# "1: ne one,"
# "1...
...is li"
# "3: ne three,"
# "3: And so on."
# "4: .."
//}
//emlist[例: chomp = true][ruby]{
IO.write("testfile", "This is line one\nThis is line two\nThis is line three\nAnd so on...")
f = File.new("testfile")
f.each(chomp: true) { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one"
# "2: T...

IO#each(rs, limit, chomp: false) -> Enumerator (18167.0)

IO の現在位置から 1 行ずつ文字列として読み込み、それを引数として 与えられたブロックを実行します。

...ープンされていなければ発生します。

//emlist[例: 引数なし][ruby]{
IO.write("testfile", "This is line one,\nThis is line two,\nThis is line three,\nAnd so on...")
f = File.new("testfile")
f.each { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one,\n"
# "2: This is line...
...: 行の区切りに半角カンマ、最大読み取りバイト数に 10 を指定][ruby]{
IO.write("testfile", "This is line one,This is line two,This is line three,And so on...")
f = File.new("testfile")
f.each(",", 10) { |line| p "#{f.lineno}: #{line}" }
# => "0: This is li"
# "1: ne one,"
# "1...
...is li"
# "3: ne three,"
# "3: And so on."
# "4: .."
//}
//emlist[例: chomp = true][ruby]{
IO.write("testfile", "This is line one\nThis is line two\nThis is line three\nAnd so on...")
f = File.new("testfile")
f.each(chomp: true) { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one"
# "2: T...

絞り込み条件を変える

IO#each(rs, limit, chomp: false) {|line| ... } -> self (18167.0)

IO の現在位置から 1 行ずつ文字列として読み込み、それを引数として 与えられたブロックを実行します。

...ープンされていなければ発生します。

//emlist[例: 引数なし][ruby]{
IO.write("testfile", "This is line one,\nThis is line two,\nThis is line three,\nAnd so on...")
f = File.new("testfile")
f.each { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one,\n"
# "2: This is line...
...: 行の区切りに半角カンマ、最大読み取りバイト数に 10 を指定][ruby]{
IO.write("testfile", "This is line one,This is line two,This is line three,And so on...")
f = File.new("testfile")
f.each(",", 10) { |line| p "#{f.lineno}: #{line}" }
# => "0: This is li"
# "1: ne one,"
# "1...
...is li"
# "3: ne three,"
# "3: And so on."
# "4: .."
//}
//emlist[例: chomp = true][ruby]{
IO.write("testfile", "This is line one\nThis is line two\nThis is line three\nAnd so on...")
f = File.new("testfile")
f.each(chomp: true) { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one"
# "2: T...

IO#each(limit) -> Enumerator (18149.0)

IO の現在位置から 1 行ずつ文字列として読み込み、それを引数として 与えられたブロックを実行します。

...ープンされていなければ発生します。

//emlist[例: 引数なし][ruby]{
IO.write("testfile", "This is line one,\nThis is line two,\nThis is line three,\nAnd so on...")
f = File.new("testfile")
f.each { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one,\n"
# "2: This is line...
...: 行の区切りに半角カンマ、最大読み取りバイト数に 10 を指定][ruby]{
IO.write("testfile", "This is line one,This is line two,This is line three,And so on...")
f = File.new("testfile")
f.each(",", 10) { |line| p "#{f.lineno}: #{line}" }
# => "0: This is li"
# "1: ne one,"
# "1...

IO#each(limit) {|line| ... } -> self (18149.0)

IO の現在位置から 1 行ずつ文字列として読み込み、それを引数として 与えられたブロックを実行します。

...ープンされていなければ発生します。

//emlist[例: 引数なし][ruby]{
IO.write("testfile", "This is line one,\nThis is line two,\nThis is line three,\nAnd so on...")
f = File.new("testfile")
f.each { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one,\n"
# "2: This is line...
...: 行の区切りに半角カンマ、最大読み取りバイト数に 10 を指定][ruby]{
IO.write("testfile", "This is line one,This is line two,This is line three,And so on...")
f = File.new("testfile")
f.each(",", 10) { |line| p "#{f.lineno}: #{line}" }
# => "0: This is li"
# "1: ne one,"
# "1...

IO#each(rs = $/) -> Enumerator (18149.0)

IO の現在位置から 1 行ずつ文字列として読み込み、それを引数として 与えられたブロックを実行します。

...ープンされていなければ発生します。

//emlist[例: 引数なし][ruby]{
IO.write("testfile", "This is line one,\nThis is line two,\nThis is line three,\nAnd so on...")
f = File.new("testfile")
f.each { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one,\n"
# "2: This is line...
...: 行の区切りに半角カンマ、最大読み取りバイト数に 10 を指定][ruby]{
IO.write("testfile", "This is line one,This is line two,This is line three,And so on...")
f = File.new("testfile")
f.each(",", 10) { |line| p "#{f.lineno}: #{line}" }
# => "0: This is li"
# "1: ne one,"
# "1...

IO#each(rs = $/) {|line| ... } -> self (18149.0)

IO の現在位置から 1 行ずつ文字列として読み込み、それを引数として 与えられたブロックを実行します。

...ープンされていなければ発生します。

//emlist[例: 引数なし][ruby]{
IO.write("testfile", "This is line one,\nThis is line two,\nThis is line three,\nAnd so on...")
f = File.new("testfile")
f.each { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one,\n"
# "2: This is line...
...: 行の区切りに半角カンマ、最大読み取りバイト数に 10 を指定][ruby]{
IO.write("testfile", "This is line one,This is line two,This is line three,And so on...")
f = File.new("testfile")
f.each(",", 10) { |line| p "#{f.lineno}: #{line}" }
# => "0: This is li"
# "1: ne one,"
# "1...

絞り込み条件を変える

IO#each(rs, limit) -> Enumerator (18149.0)

IO の現在位置から 1 行ずつ文字列として読み込み、それを引数として 与えられたブロックを実行します。

...ープンされていなければ発生します。

//emlist[例: 引数なし][ruby]{
IO.write("testfile", "This is line one,\nThis is line two,\nThis is line three,\nAnd so on...")
f = File.new("testfile")
f.each { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one,\n"
# "2: This is line...
...: 行の区切りに半角カンマ、最大読み取りバイト数に 10 を指定][ruby]{
IO.write("testfile", "This is line one,This is line two,This is line three,And so on...")
f = File.new("testfile")
f.each(",", 10) { |line| p "#{f.lineno}: #{line}" }
# => "0: This is li"
# "1: ne one,"
# "1...

IO#each(rs, limit) {|line| ... } -> self (18149.0)

IO の現在位置から 1 行ずつ文字列として読み込み、それを引数として 与えられたブロックを実行します。

...ープンされていなければ発生します。

//emlist[例: 引数なし][ruby]{
IO.write("testfile", "This is line one,\nThis is line two,\nThis is line three,\nAnd so on...")
f = File.new("testfile")
f.each { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one,\n"
# "2: This is line...
...: 行の区切りに半角カンマ、最大読み取りバイト数に 10 を指定][ruby]{
IO.write("testfile", "This is line one,This is line two,This is line three,And so on...")
f = File.new("testfile")
f.each(",", 10) { |line| p "#{f.lineno}: #{line}" }
# => "0: This is li"
# "1: ne one,"
# "1...

Pathname#each_filename {|v| ... } -> nil (12214.0)

self のパス名要素毎にブロックを実行します。

...self のパス名要素毎にブロックを実行します。

//emlist[例][ruby]{
require 'pathname'

Pathname.new("/foo/../bar").each_filename {|v| p v}

# => "foo"
# ".."
# "bar"
//}...

IO#each_line(limit, chomp: false) -> Enumerator (6167.0)

IO の現在位置から 1 行ずつ文字列として読み込み、それを引数として 与えられたブロックを実行します。

...ープンされていなければ発生します。

//emlist[例: 引数なし][ruby]{
IO.write("testfile", "This is line one,\nThis is line two,\nThis is line three,\nAnd so on...")
f = File.new("testfile")
f.each { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one,\n"
# "2: This is line...
...: 行の区切りに半角カンマ、最大読み取りバイト数に 10 を指定][ruby]{
IO.write("testfile", "This is line one,This is line two,This is line three,And so on...")
f = File.new("testfile")
f.each(",", 10) { |line| p "#{f.lineno}: #{line}" }
# => "0: This is li"
# "1: ne one,"
# "1...
...is li"
# "3: ne three,"
# "3: And so on."
# "4: .."
//}
//emlist[例: chomp = true][ruby]{
IO.write("testfile", "This is line one\nThis is line two\nThis is line three\nAnd so on...")
f = File.new("testfile")
f.each(chomp: true) { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one"
# "2: T...

IO#each_line(limit, chomp: false) {|line| ... } -> self (6167.0)

IO の現在位置から 1 行ずつ文字列として読み込み、それを引数として 与えられたブロックを実行します。

...ープンされていなければ発生します。

//emlist[例: 引数なし][ruby]{
IO.write("testfile", "This is line one,\nThis is line two,\nThis is line three,\nAnd so on...")
f = File.new("testfile")
f.each { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one,\n"
# "2: This is line...
...: 行の区切りに半角カンマ、最大読み取りバイト数に 10 を指定][ruby]{
IO.write("testfile", "This is line one,This is line two,This is line three,And so on...")
f = File.new("testfile")
f.each(",", 10) { |line| p "#{f.lineno}: #{line}" }
# => "0: This is li"
# "1: ne one,"
# "1...
...is li"
# "3: ne three,"
# "3: And so on."
# "4: .."
//}
//emlist[例: chomp = true][ruby]{
IO.write("testfile", "This is line one\nThis is line two\nThis is line three\nAnd so on...")
f = File.new("testfile")
f.each(chomp: true) { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one"
# "2: T...

絞り込み条件を変える

<< 1 2 3 > >>