readlines(rs = $/) { |line| ... } -> self[permalink][rdoc]readlines(limit) { |line| ... } -> selfreadlines(rs, limit) { |line| ... } -> selfto_a(rs = $/) { |line| ... } -> selfto_a(limit) { |line| ... } -> selfto_a(rs, limit) { |line| ... } -> self-
ARGFの各行を配列に読み込んで返します。rsがnilの場合は要素に各ファイルをすべて読み込んだ配列を返します。
- [PARAM] rs:
- 行区切り文字
- [PARAM] limit:
- 最大の読み込みバイト数
lines = ARGF.readlines lines[0] # => "This is line one\n"
[SEE_ALSO] $/, Kernel.#readlines, IO#readlines