SHELL

Linux UTF-8

Content-Type: text/plain; charset=utf-8

Linux UTF-8

Content-Type: text/html; charset=utf-8

Linux UTF-8

AddType text/html;charset=UTF-8 html
  AddType text/plain;charset=UTF-8 txt

Linux UTF-8

<META http-equiv=Content-Type content="text/html; charset=UTF-8">

Linux UTF-8

perl -C -e 'print pack("U",0x20ac)."
"'
  perl -C -e 'print "x{20ac}
"'           # works only from U+0100 upwards

Linux UTF-8

perl -ne '/^(([x00-x7f]|[xc0-xdf][x80-xbf]|[xe0-xef][x80-xbf]{2}|[xf0-xf7][x80-xbf]{3})*)(.*)$/;print "$ARGV:$.:".($-[3]+1).":$_" if length($3)'

Linux UTF-8

perl -ne '/^([x00-x7f]*)(.*)$/;print "$ARGV:$.:".($-[2]+1).":$_" if length($2)'

Linux UTF-8

perl -C -pe 's/([^x00-x7f])/sprintf("&#%d;", ord($1))/ge;'

Linux UTF-8

perl -C -pe 's/&#(d+);/chr($1)/ge;s/&#x([a-fA-Fd]+);/chr(hex($1))/ge;'