U:RDoc::AnyMethod[iI"each_line:ETI"ARGF#each_line;TF: publico:RDoc::Markup::Document: @parts[ o:RDoc::Markup::Paragraph; [ I"NReturns an enumerator which iterates over each line (separated by _sep_, ;TI"Jwhich defaults to your platform's newline character) of each file in ;TI"N+ARGV+. If a block is supplied, each line in turn will be yielded to the ;TI"1block, otherwise an enumerator is returned. ;TI"JThe optional _limit_ argument is an +Integer+ specifying the maximum ;TI"Mlength of each line; longer lines will be split according to this limit.;To:RDoc::Markup::BlankLineo; ; [ I"OThis method allows you to treat the files supplied on the command line as ;TI"Ma single file consisting of the concatenation of each named file. After ;TI"Nthe last line of the first file has been returned, the first line of the ;TI"Psecond file is returned. The +ARGF.filename+ and +ARGF.lineno+ methods can ;TI"Mbe used to determine the filename and line number, respectively, of the ;TI"current line.;T@o; ; [I"MFor example, the following code prints out each line of each named file ;TI"Jprefixed with its line number, displaying the filename once per file:;T@o:RDoc::Markup::Verbatim; [ I"ARGF.each_line do |line| ;TI". puts ARGF.filename if ARGF.lineno == 1 ;TI"& puts "#{ARGF.lineno}: #{line}" ;TI"end;T: @format0: @fileI" io.c;T:0@omit_headings_from_table_of_contents_below0I"­ARGF.each_line(sep=$/) {|line| block } -> ARGF ARGF.each_line(sep=$/, limit) {|line| block } -> ARGF ARGF.each_line(...) -> an_enumerator;T0[I" (*args);T@&FI" ARGF;TcRDoc::NormalClass00