Hello AnomalousMonk,

No worries no problems, I am always open to read comments from monks which have greater knowledge.

I am just commending to avoid confusion, OP on the open function has write mode > instead of read mode <.

Regarding:

I think that Peter Keystrokes wants to specify the input file on the command line, e.g.

OP defined a file my $filename = 'counts.txt';, so I assumed that he is defining the file through the script not through the command line. But never the less I was not aware of Using the magic ARGV handle - <> in perlop. as anonymous point out. Thanks for the tip. :)

Regarding:

This loop counts the characters in the lines beginning '>hsa' rather than in the single string of the 'ACTG...' line that follows. The counts of 49 and 54 characters, respectively, for the two example data records reflect this. (And again, these counts are appended to the end of the input file rather than written to a separate file.)

I know some how that my results is wrong but I still can not understand why I can not link the lines that start with >hsa and why it only captures the ATG.... Can you provide me a bit more information? (Thanks in advance for your time and effort)

Seeking for Perl wisdom...on the process of learning...not there...yet!

In reply to Re^3: How to amend character count. by thanos1983
in thread How to amend character count. by Peter Keystrokes

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