[R] Alter a line in a file.

[Jannis]

Well your question is quite general the solution would involve several steps. Probably the easiest solution would be to read the data in as a dataframe (using read.table()) and using the '=' as the separator of the columns. Then change the desired values in the dataframe and save it back as a *.csv file, again using sep='='. Another option would be to read the data as a text string and use regexpressions to replace certain strings.

Hope that gets you started
Jannis

--- Joel <joda2457 at student.uu.se> schrieb am Do, 5.5.2011:

> Von: Joel <joda2457 at student.uu.se>
> Betreff: [R] Alter a line in a file.
> An: r-help at r-project.org
> Datum: Donnerstag, 5. Mai, 2011 12:16 Uhr
> Hi all R users
> 
> Ive got a file that contains diffrent settings in the manor
> of:
> 
> setting1="value1"
> setting2="value2"
> setting3="value3"
> setting4="value4"
> .
> .
> .
> 
> What I want to do is open the file and change the value of
> a specific
> setting
> like wanna change setting4="value4" -> setting4="value5"
> and then save the
> file again.
> 
> setting1="value1"
> setting2="value2"
> setting3="value3"
> setting4="value5"
> .
> .
> .
> 
> 
> 
> 
> --
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> 
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