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ARGF
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each-i.ri
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U:RDoc::AnyMethod[iI" each:ETI"ARGF#each;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"HThe 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::BlankLine o; ; [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"Osecond file is returned. The ARGF.filename and ARGF.lineno methods can be ;TI"Oused to determine the filename of the current line and line number of the ;TI"whole input, respectively.;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"3 puts ARGF.filename if ARGF.file.lineno == 1 ;TI"+ puts "#{ARGF.file.lineno}: #{line}" ;TI" end ;T:@format0o; ; [I"NWhile the following code prints only the first file's name at first, and ;TI"Cthe contents with line number counted through all named files.;T@o;; [ I"ARGF.each_line do |line| ;TI". puts ARGF.filename if ARGF.lineno == 1 ;TI"& puts "#{ARGF.lineno}: #{line}" ;TI"end;T; 0: @fileI" io.c;T:0@omit_headings_from_table_of_contents_below0I"\ARGF.each(sep=$/) {|line| block } -> ARGF ARGF.each(sep=$/, limit) {|line| block } -> ARGF ARGF.each(...) -> an_enumerator ARGF.each_line(sep=$/) {|line| block } -> ARGF ARGF.each_line(sep=$/, limit) {|line| block } -> ARGF ARGF.each_line(...) -> an_enumerator ;T0[[I"each_line;T@ I"(*args);T@0FI" ARGF;TcRDoc::NormalClass00