Given pairs of string like this.
my $s1 = "ACTGGA";
my $s2 = "AGTG-A";
# Note the string can be longer than this.
# But they are always of the same length.
I would like to find position and character in in $s1 where it differs with $s2. In this case the answer would be:
#String Position 0-based
# First col = Base in S1
# Second col = Base in S2
# Third col = Position in S1 where they differ
C G 1
G - 4
I can achieve that easily with substr(). But it is horribly slow. Typically I need to compare millions of such pairs.
Is there a fast way to achieve that?
neversaint and everlastingly indebted.......
Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
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:
Outside of code tags, you may need to use entities for some characters:
- a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, 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, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
Link using PerlMonks shortcuts! What shortcuts can I use for linking?
See Writeup Formatting Tips and other pages linked from there for more info.
| & || & |
| < || < |
| > || > |
| [ || [ |
| ] || ] ||