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I have rewrite the function in perl: wow, very fast!
I like perl seem easy to understand.
If someone is interested...

sub decrypt {
my ($f, $key) = @_;
my $s;
{
local *FH;...

Elements are group of integer, not single char.
I had study "associative arrays" and make a try: It's better, but not so much.
Tomorrow I'll try a vb6 to Perl or Awk conversion. Hope that make...

<What did you use to profile performance if anything?>

Nothing special.. I had used "LSHW" for the specs and "ps aux" for see cpu usage, and "free" to see ram. Probably I not understand your...

Yes, I read somewhere tha define variable as array speedup the process but when I create the array I use: IFS=' ' read -a sn <<< "$s" ...so I think was the same. I'm in error?

Brief:
I read a binary file encrypted, parse char by char loaded using a key, and then, with the result, I create a new file readable.

Hi, thank you for reply.
It's the same machine (P4) that had XP sp3 (32bit), and now run with only ubunto server (without X... and I don't want install WINE).

product: Intel(R)...

Hi,

another little question...

"sn" is an array whose elements can vary from about 55,000 to about 150,000 elements. Each element consists of an integer between 0-255, eg: ${sn[1]} contain the...

:eek: There have been over TWO days (h24) to no avail.

I also saw the OD command but I was lost.
I am new to UNIX and I am converting some domestic services that I had done in windows.

It's...

Hello,

With bash-script (ubunto server) I'm trying to read a binary file and, for each character, give back its ascii code (including extended ascii). For example:

HEX => ASCII => PRINT
f5...