syntax error near unexpected token `='


 
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# 1  
Old 02-18-2011
syntax error near unexpected token `='

Hi all,
This is a script which converts hex to bin. However am finding an error while executing
Code:
syntax error near unexpected token `='

`($hexfile, $binfile) = @ARGV;'

I am running using ./fil.pl <hexfile> <binfile>
Code:
###################################################
#
#  this script takes hex representation and generates binary file
#
#  Syntax:  DP_HextoBin.pl <hex file> <bin file>


($hexfile, $binfile) = @ARGV;
open f1, "<$hexfile" or die $!;
open f2, ">$binfile" or die $!;
binmode f2;
$binOut = "";

while (<f1>)  {
   chop;
    
   if ($s =~ m/^0x[0-9a-f]{6}((\s[0-9a-f]{2}){1,16})/i)
   {
         $ss = $1;
          $ss =~ s/^\s+//;
          @arr = split(/\s+/, $ss);
          
          @arr1 = map pack("H2", $_), @arr;
          
          for my $hexv (@arr1) {
              print f2 $hexv;
          }
   } else {
          print "no matched";
   }
   
}

close(f1);
close(f2);


Last edited by Scott; 02-18-2011 at 09:40 AM.. Reason: Please use code tags
# 2  
Old 02-18-2011
By just running ./fil.pl the script is not run by the Perl interpreter, but by the shell, which doesn't understand that syntax. You'll have to explicitly declare the interpreter in that case by adding a shebang line at the top:
Code:
#!/usr/bin/perl

(or wherever your Perl interpreter resides)
# 3  
Old 02-21-2011
Thanks. It worked. However some problems in the regex, i believe. The above script converts hex value to bin. However I see "no matched " always. Could anyone please look in the above code.

I am attaching a sample input file.
# 4  
Old 02-21-2011
The reason is simple. Your script expects the offset (0x...) and the data to be on the same line, which they aren't. You'll have to search for the offset value, then read the next line, and apply a second regex to it for the data contained.

BTW, it's advisable to chomp instead of chop.
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