sqlserver数据导入mysql三: 把生成的表分成几份(拆分成几份运行)

#!/usr/bin/perl

use Encode;
use Encode::CN;
use DBI;
use Switch;
use strict;
use Net::HandlerSocket;
use threads;
use Time::HiRes 'time';

print "请输入数字确认要把所有表分成几份";
 my $var=0;
$var=<STDIN>;
 chop ($var); 
 print "请输入总表名";
 my $read=0;
$read=<STDIN>;
 chop ($read); 
 
 
 my $readtxtname=$read;
 my @a;
 open(FILE,"$readtxtname");    
 while (<FILE>) {  
  chomp;  
   if(defined($_ ))
  {
 push @a,$_;
   }
 
}
close(FILE);

my $many=int(@a/$var);
my $count=@a;
print $many."\n";
print $count."\n";
 
  my $i=1;
while($i<=$var){

 my $outtxtname="alltablename_exportname_"."$i"."\.txt";
 my $index=$many*($i-1);
 if($i==$var)
 {
 while($index<=@a-1){
  open(FILE,">>$outtxtname");  
syswrite(FILE,"@a[$index]\n");    
syswrite(FILE,"@a[$index+1]\n"); 
close(FILE); 
$index=$index+2;
 }
  }
 else
 {
  while($index<=$many*$i-1){
  open(FILE,"@a[$index+1]\n"); 
close(FILE); 
$index=$index+2;
}
 }
 $i++;

}

print "ok";