Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1985-2001 Microsoft Corp. C:\Documents and Settings\user>cd d* C:\Documents and Settings\user\Desktop>basecount.pl t.txt "my" variable $motif masks earlier declaration in same scope at C:\Documents and Settings\user\Desktop\basecount.pl line 58. Total bases: 36 A= 9, T= 11, G= 6, C= 10 Errors (N)= 3 Enter a motif to count its number and lengths between motifs: AT I couldn't find it. Number of motifs: 0. The inter-motif nt Lengths are: 5 Use of uninitialized value $motif in pattern match (m//) at C:\Documents and Set tings\user\Desktop\basecount.pl line 27, line 1. C:\Documents and Settings\user\Desktop>