#!/bin/sh

BASE=`basename "$1" .idx`
IDX=$BASE.idx
IND=$BASE.ind
ILG=$BASE.ilg

sed '
/^\\indexentry{/ {
s/\\IeC {\\CYRA }/ľ/g
s/\\IeC {\\cyra }/ż/g
s/\\IeC {\\CYRB }/Ŕ/g
s/\\IeC {\\cyrb }/Á/g
s/\\IeC {\\CYRV }/Â/g
s/\\IeC {\\cyrv }/Ă/g
s/\\IeC {\\CYRG }/Ä/g
s/\\IeC {\\cyrg }/Ĺ/g
s/\\IeC {\\CYRD }/Ć/g
s/\\IeC {\\cyrd }/Ç/g
s/\\IeC {\\CYRE }/Č/g
s/\\IeC {\\cyre }/É/g
s/\\IeC {\\CYRYO }/Ę/g
s/\\IeC {\\cyryo }/Ë/g
s/\\IeC {\\CYRZH }/Ě/g
s/\\IeC {\\cyrzh }/Í/g
s/\\IeC {\\CYRZ }/Î/g
s/\\IeC {\\cyrz }/Ď/g
s/\\IeC {\\CYRI }/Đ/g
s/\\IeC {\\cyri }/Ń/g
s/\\IeC {\\CYRISHRT }/Ň/g
s/\\IeC {\\cyrishrt }/Ó/g
s/\\IeC {\\CYRK }/Ô/g
s/\\IeC {\\cyrk }/Ő/g
s/\\IeC {\\CYRL }/Ö/g
s/\\IeC {\\cyrl }/×/g
s/\\IeC {\\CYRM }/Ř/g
s/\\IeC {\\cyrm }/Ů/g
s/\\IeC {\\CYRN }/Ú/g
s/\\IeC {\\cyrn }/Ű/g
s/\\IeC {\\CYRO }/Ü/g
s/\\IeC {\\cyro }/Ý/g
s/\\IeC {\\CYRP }/Ţ/g
s/\\IeC {\\cyrp }/ß/g
s/\\IeC {\\CYRR }/ŕ/g
s/\\IeC {\\cyrr }/á/g
s/\\IeC {\\CYRS }/â/g
s/\\IeC {\\cyrs }/ă/g
s/\\IeC {\\CYRT }/ä/g
s/\\IeC {\\cyrt }/ĺ/g
s/\\IeC {\\CYRU }/ć/g
s/\\IeC {\\cyru }/ç/g
s/\\IeC {\\CYRF }/č/g
s/\\IeC {\\cyrf }/é/g
s/\\IeC {\\CYRH }/ę/g
s/\\IeC {\\cyrh }/ë/g
s/\\IeC {\\CYRC }/ě/g
s/\\IeC {\\cyrc }/í/g
s/\\IeC {\\CYRCH }/î/g
s/\\IeC {\\cyrch }/ď/g
s/\\IeC {\\CYRSH }/đ/g
s/\\IeC {\\cyrsh }/ń/g
s/\\IeC {\\CYRSHCH }/ň/g
s/\\IeC {\\cyrshch }/ó/g
s/\\IeC {\\CYRHRDSN }/ô/g
s/\\IeC {\\cyrhrdsn }/ő/g
s/\\IeC {\\CYRERY }/ö/g
s/\\IeC {\\cyrery }/÷/g
s/\\IeC {\\CYRSFTSN }/ř/g
s/\\IeC {\\cyrsftsn }/ů/g
s/\\IeC {\\CYREREV }/ú/g
s/\\IeC {\\cyrerev }/ű/g
s/\\IeC {\\CYRYU }/ü/g
s/\\IeC {\\cyryu }/ý/g
s/\\IeC {\\CYRYA }/ţ/g
s/\\IeC {\\cyrya }/˙/g
}' $IDX | makeindex -t $ILG | tr 'ľżŔÁÂĂÄĹĆÇČÉĘËĚÍÎĎĐŃŇÓÔŐÖ×ŘŮÚŰÜÝŢßŕáâăäĺćçčéęëěíîďđńňóôőö÷řůúűüýţ˙' \
  'áÁâÂ÷×çÇäÄĺĹłŁöÖúÚéÉęĘëËěĚíÍîÎďĎđĐňŇóÓôÔőŐćĆčČăĂţŢűŰýÝ˙ßůŮřŘüÜŕŔńŃ' > $IND