Hello

that works if I execute the command in the normal mode in VIM. Now my next
question is:

How can I use the %s command from a VIM script in order to modify a given
line of a file?

Thank you


Tim Chase-2 wrote:
> 
>> I have a vim script which I want to use to search & replace a
>> part out of a given line. The fields in the line are based on
>> field length and the field I want to change starts at position
>> 33 and ends after 4 charachter.
>> 
>> A regex search is not appropriet, as the string I am looking
>> for may occur in another field in the same line but shoult not
>> be changed here. I already tried substitute() and had a look
>> to the normal command :s with a subset, but none of them
>> worked for me.
> 
> 
> I think you may be looking for the zero-width atoms in the "\%#c"
> family, so you might search for something like
> 
>       :%s/\%33cABCD/FGHI/
> 
> (there may be an off-by-one error here, so you might have to
> adjust that 33 to be 32 or 34 to land on your proper column).
> This would replace any "ABCD" starting at column 33 with "FGHI"
> 
> There are a family of these:
> 
>       :help /\%c
>       :help /\%v
>       :help /\%l
> 
> They're all right next to each other in the help and allow you to
> do exactly what you describe, searching for a given item at a
> given column offset (there are subtle differences between the %c
> and %v varieties).
> 
> Hope this helps,
> 
> -tim
> 
> 
> 
> 
> 
> 

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