#compdef look

local curcontext="$curcontext" state line
typeset -A opt_args

_arguments -C -s \
  '-t+[termination character]:termination character:' \
  '-f[case insensitive]' \
  '-d[dictionary order]' \
  ':string:->string' \
  ':dictionary file:_files -f' && return 0

case "$state" in
string)
  [[ -n "$PREFIX" ]] &&
      _wanted values expl 'word prefix' compadd - $(_call values $words[1] $PREFIX)
  ;;
esac