|>time perl -ne '$s=<>;<>;<>; chomp $s; print "$s\n";' < A_1_1.fq | wc -l
>time cat A_1_1.fq | perl -ne '$s=<>;<>;<>; chomp $s; print "$s\n";' | wc -l
The files are 26814958 x 4 lines long.
These are the commands that I used and the time statistics. Clearly a massive difference. Not really sure why. This is perl, v5.10.0 built for x86_64-linux-thread-multi
If you've any suggestions for me to check out on the system that I'm using let me know. This is the OS: SUSE Enterprise Linux SP2 64bit
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:
You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
- 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.
| & || & |
| < || < |
| > || > |
| [ || [ |
| ] || ] ||