On Wed, 6 Nov 2013 23:51:04 +0000
"Wang, Li" <[email protected]> wrote:
> Dear Perl Users
>
> I have hundreds of input files, named as geneName_paml_formated.mlc
> In each file, there are some contents similar as follows:
>
> w (dN/dS) for branches: 0.00010 1.07967 145.81217 0.00010
> dN & dS for each branch
> branch t N S dN/dS dN dS N*dN S*dS
> 4..5 0.000 1103.3 327.7 0.0001 0.0000 0.0000 0.0 0.0
> 5..1 0.043 1103.3 327.7 1.0797 0.0144 0.0134 15.9 4.4
[...]
> I want to extract the line start with "5..1" to be extracted and [...]
[...]
> It turns out that it didnot work, and seems that the script cannot
> find my expression pattern $line=~m/^5\.\.1/
You're looking for a line starting with 5, but it doesn't - it starts
with some whitespace, then 5.
/^\s*5\.\.1/ should match.
(\s* allowing zero or more whitespace characters before the 5)
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David Precious ("bigpresh") <[email protected]>
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