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The format is identical though I just realised the data is separated by commas:

1018.62, 270.53, 4.76, 75.70, 8.72, 2.122, 0, 16:07:53, 2008/12/17, 0.006
1018.87, 271.95, 4.30, 75.82, 8.72,...

Thanks very much Franklin52, running that script initially yields something like this (see below) so there must be a few things I'll need to change but it's certainly pointed me in the right...

Hi guys
New to scripting, I have many data files and I'm having real trouble with a script for the following:

For all files that end in *.dat
i want to get the mean of column6 ($6/NR)

and...

Sorry, I didn't make that very clear:

The files (e.g. 090108.dat) are like so:

2.34, 0.24
3.45, 0.45
4.81, 0.63
...etc

I want to do (0.24+0.45+0.63)/3 which is 0.44, then get x =...

Hi all,

I have multiple dat files one for each day of the year and each with two lengthy columns. For each file, I wan't to perform a mathematical operation on the data of column 2 (red), then...

Cheers Padow, looks like that does the job but is there a way I can add a third column indicating which file (date) that data comes from?

Hi all,

I have two years worth of daily files (e.g. 090107.dat) and I'd like to write a BASH script to extract the same 2 columns from each of these files and copy them all to one separate file....