TimeKeeper/audio/flite-2.0.0-release/tools/clunit_prune

#!/bin/sh
###########################################################################
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##                  Language Technologies Institute                      ##
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###########################################################################
##                                                                       ##
##  Prune the clunits catalogue basic on usage                           ##
##                                                                       ##
###########################################################################

# Assume units_used.out contains the units used in by example text
# Mark all these units (and all previous units to them) used

UNIT_CATALOGUE=$1
UNIT_TREES=$2
UNITS_USED=$3

# Prune the catalogue
cat $UNIT_CATALOGUE |
awk '{ if (past_header != 1)
       {
          print $0;
          if ($1 == "EST_Header_End")
             past_header = 1;
       }}' >${UNIT_CATALOGUE}.pruned
( cat $UNITS_USED ; echo end_used ;   
  sed '1,/EST_Header_End/d' $UNIT_CATALOGUE ) |
awk '{ if ($1 == "end_used" )
       {
          end_used = 1;
       }
       else if (end_used != 1)
          used[$1] = 1;
       else 
       {
          if (last_entry == "")
               true;
          else if (used[$1] == 1)
          {
             print last_entry;
          }
          else if (used[last_unit] != 1)
          {
             printf("0_0 %s %s %s %s\n",last_2,last_3,last_4,last_5);
          }
          else
          {
             print last_entry;
          }
          last_entry = $0;
          last_unit = $1;
          last_2 = $2;
          last_3 = $3;
          last_4 = $4;
          last_5 = $5;
       }
     }' >>${UNIT_CATALOGUE}.pruned

# Prune the trees
cat $UNITS_USED |
sed 's/_[0-9][0-9]*$/_&/;s/__/ /' |
sort |
awk '{if (l != $1)
      {
         if (NR > 1)
            printf(")\n");
         printf("( \"%s\" ",$1);
      }
      printf("%s ",$2);
      l = $1;
     }
     END {printf(")\n");}' >${UNITS_USED}.sorted

$ESTDIR/../festival/bin/festival --heap 10000000 -b $FLITEDIR/tools/make_clunits.scm \
    '(clunits_prune "'$UNIT_TREES'" "'${UNITS_USED}.sorted'" "'${UNIT_TREES}.pruned'")'