Editing .txt file in Octave

[socware]

Hello All,
I just started using octave some days ago.
I have text file with 2 columns with more than 1000 coordinates from a plot.

I want to change the column values which are like 1m,2m,...... (m stands for
milli) and the second column have values as 3.212u (u for micro )

And then I want to use the two column values in a for loop something like:

x= value of first column from text file

and y= value of second column from text file.

How can I perform these task? Would highly appreciate someone's feedback and
help.


Thanks

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