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Top Forums Shell Programming and Scripting Convert a script in awk script Post 74547 by criglerj on Friday 10th of June 2005 12:30:45 PM
Old 06-10-2005
Quote:
Originally Posted by Lestat
Thanx criglerj your solutions works too, but now i have a new problem, the file borrar.log have 2537051 lines and this process is taking 30 seconds, and i need this information for bein showed each 5 seconds, maximus 10... how can i do it better?
If the data you're looking for always shows up in the same awk field, e.g., $4, and it's the only thing in that field, then you can speed it up as r2007 suggested, by only checking that field and by using the whole field as the index of arr, then deferring the substring operation to the END block:
Code:
$4 ~ /^0x000000(01|0B|45|58|64|66)$/ {
    arr[$4]++
}

END {
    for (i in arr)
        print "Errores", "0x" substr(i,9,2), arr[i]
}

My next line of attack would be ruby or perl. Ruby is easier to read and write, but it works by interpreting the AST at runtime. Perl runs faster because it compiles to bytecode. And I believe perl is installed by default on Solaris 8 (usually an old version, though sysadmins frequently install an updated version). Anyhow, a perl version would look like this:
Code:
while (<>) {
    next unless /0x000000(01|0B|45|58|64|66)/;
    $a{$1}++;
}
while (($k, $v) = each %a) {
    print "Errores 0x", $k, " ", $v, "\n"
}

 

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PARSE_STR(3)								 1							      PARSE_STR(3)

parse_str - Parses the string into variables

SYNOPSIS
void parse_str (string $str, [array &$arr]) DESCRIPTION
Parses $str as if it were the query string passed via a URL and sets variables in the current scope. Note To get the current QUERY_STRING, you may use the variable $_SERVER['QUERY_STRING']. Also, you may want to read the section on vari- ables from external sources. Note The magic_quotes_gpc setting affects the output of this function, as parse_str(3) uses the same mechanism that PHP uses to populate the $_GET, $_POST, etc. variables. PARAMETERS
o $str - The input string. o $arr - If the second parameter $arr is present, variables are stored in this variable as array elements instead. RETURN VALUES
No value is returned. EXAMPLES
Example #1 Using parse_str(3) <?php $str = "first=value&arr[]=foo+bar&arr[]=baz"; parse_str($str); echo $first; // value echo $arr[0]; // foo bar echo $arr[1]; // baz parse_str($str, $output); echo $output['first']; // value echo $output['arr'][0]; // foo bar echo $output['arr'][1]; // baz ?> SEE ALSO
parse_url(3), pathinfo(3), http_build_query(3), get_magic_quotes_gpc(3), urldecode(3). PHP Documentation Group PARSE_STR(3)
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