Re^2: What one-liners do people actually use?

in reply to Re: What one-liners do people actually use?
in thread What one-liners do people actually use?

and here is another I put together to show me :

(line|entry) #, org.string, st. position of pal., length of pal., palindrome found

perl -nle 'tr/a-z/A-Z/;$l=length();for $m(3..$l){for $c(0..($l-3)){las
+t if $m+$c>$l;$f=substr($_,$c,$m);($r=reverse($f))=~s/s+//g;print "$.
+\t$_\t$c\t$m\t$f" if ($f eq $r);}}' example | more
[download]

so for your sig : "TTTATCGGTCGTTATATAGATGTTTGCA" I get the following output:

1    TTTATCGGTCGTTATATAGATGTTTGCA    0    3    TTT
1    TTTATCGGTCGTTATATAGATGTTTGCA    2    3    TAT
1    TTTATCGGTCGTTATATAGATGTTTGCA    12    3    TAT
1    TTTATCGGTCGTTATATAGATGTTTGCA    13    3    ATA
1    TTTATCGGTCGTTATATAGATGTTTGCA    14    3    TAT
1    TTTATCGGTCGTTATATAGATGTTTGCA    15    3    ATA
1    TTTATCGGTCGTTATATAGATGTTTGCA    17    3    AGA
1    TTTATCGGTCGTTATATAGATGTTTGCA    20    3    TGT
1    TTTATCGGTCGTTATATAGATGTTTGCA    22    3    TTT
1    TTTATCGGTCGTTATATAGATGTTTGCA    12    5    TATAT
1    TTTATCGGTCGTTATATAGATGTTTGCA    13    5    ATATA
1    TTTATCGGTCGTTATATAGATGTTTGCA    16    5    TAGAT
1    TTTATCGGTCGTTATATAGATGTTTGCA    21    5    GTTTG
[download]

again works with any list passed as $ARGV[0] or with individual strings ala:

# echo "TTTATCGGTCGTTATATAGATGTTTGCA" | perl -ne ...
[download]

etc. and it does not match whitespace(s) as part of a reverse complementary match

Comment on Re^2: What one-liners do people actually use? Select or Download Code

In Section Seekers of Perl Wisdom