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opt
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alt
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ruby27
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share
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ri
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system
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IO
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//opt/alt/ruby27/share/ri/system/IO/set_encoding_by_bom-i.ri
U:RDoc::AnyMethod[iI"set_encoding_by_bom:ETI"IO#set_encoding_by_bom;TF:privateo:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph; [ I"FChecks if +ios+ starts with a BOM, and then consumes it and sets ;TI"Fthe external encoding. Returns the result encoding if found, or ;TI"@nil. If +ios+ is not binmode or its encoding has been set ;TI"*already, an exception will be raised.;To:RDoc::Markup::BlankLine o:RDoc::Markup::Verbatim; [I"*File.write("bom.txt", "\u{FEFF}abc") ;TI"&ios = File.open("bom.txt", "rb") ;TI"7ios.set_encoding_by_bom #=> #<Encoding:UTF-8> ;TI" ;TI"$File.write("nobom.txt", "abc") ;TI"(ios = File.open("nobom.txt", "rb") ;TI"(ios.set_encoding_by_bom #=> nil;T:@format0: @fileI" io.c;T:0@omit_headings_from_table_of_contents_below0I"2ios.set_encoding_by_bom -> encoding or nil ;T0[ I"();T@FI"IO;TcRDoc::NormalClass00