#!/bin/zsh
# rubikon - an end to latin files
autoload zmv

[[ $1 = -f ]] || OPT=-n

# convert latin1 to utf8, but never double encode.
i2u() {
  new=$(iconv -f UTF-8 -t UTF8 <<<$1 2>/dev/null) ||
  new=$(iconv -f ISO8859-1 -t UTF8 <<<$1 2>/dev/null)
  printf "%s" $new
}
zmv $OPT '(**/)(*)' '$(i2u $1$2)'