I have a 30 kb "keys" file in which is readable as a text document and would probably be best suited to read as plaintext. I have three variables I assign values from a "searchfile" then i use these values to search the keys file for the right keys. In the keys file the layout is identical for every key revision... like this: 

revision=something <--newline at end of line
version=something <--newline at end of line
type=something <--newline at end of line
key1=64 characters <--newline at end of line
key2=32 character <--search will stop before going to newline

[download]


In $var we will assign revision from values read from searchfile
In $var1 we will assing version from values read from searchfile
In $var2 we will assign type from values in a searchfile

Now what I am doing here is searching a "searchfile" to get the values for the variables so I can search a keys file for the correct keyset :)

Now for the question... what would be the best way to search for these three values in the key file? would a simple 
if ($string =~ "$var $var1 $var2"){
    seek ( $keys, 4, 0 );
    read ( $keys, $temp1, 64 );
    seek ( $keys, 4, 0 );
    read ( $keys, $temp2, 32 );

[download]

Please understand there are newline characters after each string in the keys file. Im not sure if need to 
$string =~ "$var $var1 $var2"

[download]

Or if I need to allow for the newline characters like: 
$string =~ "$var\n $var1\n $var2"

[download]

Also I am not sure if doing a regex match will allow me to search the keys file from the end of the last match as per my example above. is there a way to return the very last rightmost position of the regex match?(as in the last character in the matched pattern $var2 ( type=somethin|g <-- as in last character " I need to retun the position of the very very last character g or whatever character it may be, letter or number))

EDIT

I could instead just get leftmost position of match then skip down 3 lines in the keys file. I think that would be more beneficial.

If i need to be any more specific please let me know.
Do you think this code will work for what i need?
Thanks for any input as it is appreciated :)

In reply to searching for multiple matches and then seek from last match by james28909

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.