lib/scripts/run-polyml
author wenzelm
Sat, 03 Jun 2000 23:59:37 +0200
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#!/bin/bash
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#
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# $Id$
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#
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# Poly/ML startup script.
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#
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# Global vars: INFILE OUTFILE COMPRESS MLTEXT TERMINATE NOWRITE ISABELLE_TMP,
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# and from settings
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## diagnostics
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function fail_out()
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{
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  echo "Unable to create output heap file: \"$OUTFILE\"" >&2
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  exit 2
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}
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function check_mlhome_file()
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{
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  if [ ! -f "$1" ]; then
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    echo "Unable to locate $1" >&2
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    echo "Please check your ML_HOME setting!" >&2
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    exit 2
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  fi
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}
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## Poly/ML programs
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POLY=$ML_HOME/poly
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DISCGARB=$ML_HOME/discgarb
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check_mlhome_file "$POLY"
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check_mlhome_file "$DISCGARB"
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## prepare databases
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COPYDB=true
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if [ -z "$INFILE" ]; then
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  INFILE="$ML_HOME/ML_dbase"
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  check_mlhome_file "$INFILE"
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  MLTEXT="val use = PolyML.use; val exit = PolyML.exit; $MLTEXT"
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  COPYDB=""
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fi
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if [ -z "$OUTFILE" ]; then
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  DB="$INFILE"
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  ML_OPTIONS="-r $ML_OPTIONS"  
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elif [ "$INFILE" -ef "$OUTFILE" ]; then
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  DB="$INFILE"
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elif [ -n "$COPYDB" ]; then
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  [ -f "$OUTFILE" ] && { rm -f "$OUTFILE" || fail_out; }
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  cp "$INFILE" "$OUTFILE" || fail_out
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  chmod +w "$OUTFILE" || fail_out
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  DB="$OUTFILE"
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else
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  [ -f "$OUTFILE" ] && { rm -f "$OUTFILE" || fail_out; }
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  echo "PolyML.make_database \"$OUTFILE\"; PolyML.quit();" | $POLY -r "$INFILE"
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  [ -f "$OUTFILE" ] || fail_out
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  DB="$OUTFILE"
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fi
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## run it!
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if [ -z "$TERMINATE" ]; then
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  FEEDER_OPTS="-s"
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else
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  FEEDER_OPTS="-q"
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fi
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DB_INFO=$(ls -l "$DB")
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$ISABELLE_HOME/lib/scripts/feeder -p -h "$MLTEXT" $FEEDER_OPTS | \
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  { read FPID; $POLY $ML_OPTIONS "$DB"; RC=$?; kill -HUP $FPID; exit $RC; }
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RC=$?
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NEW_DB_INFO=$(ls -l "$DB")
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[ -n "$OUTFILE" -a -n "$COMPRESS" -a "$DB_INFO" != "$NEW_DB_INFO" ] && $DISCGARB -c "$OUTFILE"
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[ -n "$OUTFILE" -a -f "$OUTFILE" -a -n "$NOWRITE" ] && chmod -w "$OUTFILE"
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exit $RC