Remove BOM (Byte Order Mark) from text file

awk '{if(NR==1)sub(/^\xef\xbb\xbf/,"");print}' text.txt > newFile.txt
Takes file (text.txt), removes BOM from it, and outputs the result to a new file (newFile.txt). BOM is "Byte Order Mark" ([http://en.wikipedia.org/wiki/Byte_order_mark]), an invisible, non-breaking, zero-length character. In other words, if you see a DIFF with "" at the beginning, you've got a byte order mark, which can't be removed without this command or a hex editor. It can appear for a number of reasons, such as getting copied to/from a UNIX filesystem...

1
2011-12-07 01:44:36
awk

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