#!/bin/sh


# MySQL dump to SQLite generator.
# Based on http://stackoverflow.com/questions/489277/script-to-convert-mysql-dump-sql-file-into-format-that-can-be-imported-into-sqlit
# Improved by Alcides Fonseca (http://alcidesfonseca.com)


if [ "x$1" == "x" ]; then
   echo "Usage: $0 <dumpname>"
   exit
fi
cat $1 |
grep -v ' KEY "' |
grep -v ' UNIQUE KEY "' |
grep -v ' PRIMARY KEY ' |
grep -v 'LOCK' |
grep -v 'UNLOCK' |
sed '/^SET/d' |
sed 's/ unsigned / /g' |
sed 's/ auto_increment/ primary key autoincrement/g' |
sed 's/ smallint([0-9]*) / integer /g' |
sed 's/ tinyint([0-9]*) / integer /g' |
sed 's/ int([0-9]*) / integer /g' |
sed 's/ CHARSET=[^ ]*/ /g' |    # this line does not work
sed 's/ AUTO_INCREMENT=[0-9]* / /g' |
sed 's/ character set [^ ]* / /g' |
sed 's/ ENGINE=[^ ]* / /g' |
sed 's/ DEFAULT / /g' |
sed 's/ COLLATE=[^ ]*/ /g' |
sed 's/ enum([^)]*) / varchar(255) /g' |
sed 's/ on update [^,]*//g' |
perl -e 'local $/;$_=<>;s/,\n\)/\n\)/gs;print "begin;\n";print;print "commit;\n"' |
perl -pe '
  if (/^(INSERT.+?)\(/) {
     $a=$1;
     s/\\'\''/'\'\''/g;
     s/\\n/\n/g;
     s/\),\(/\);\n$a\(/g;
  }
  ' > $1.sql
cat $1.sql | sqlite3 $1.db > $1.err
ERRORS=`cat $1.err | wc -l`
if [ $ERRORS == 0 ]; then
  echo "Conversion completed without error. Output file: $1.db"
  rm $1.sql
  rm $1.err
    rm tmp
else
   echo "There were errors during conversion.  Please review $1.err and $1.sql for details."
fi