#!/bin/sh

if test $# -ne 1; then
  echo 'Usage: vtxget2tk <dir>' >&2
  exit 1
fi
cd "$1" || exit

gawk '
  /^{PAGE [0-9][0-9][0-9]\/[0-9][0-9]?}/ {
    if (outfile) {
      close(outfile)
    }
    page = substr($0, 7, 3) + 0
    subpage = substr($0, 11, 2) + 0
    if (!subpage) {
      subpage = 1
    }
    outfile = page "--" subpage "-"
    next
  }
  {
    print > outfile
  }
'