would a simple if ( $file =~ /[^\x00-\xA5]/ ) { # binary } else { #text } suffice?

Update: Also looks like there's a CGI::UploadEasy method "fileinfo" (in case you're using or could use that module)

In reply to Re: Detecting 'binary' in a variable by Transient
in thread Detecting 'binary' in a variable by kirbyk

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