R help - Oct 2005 - Reading # in file with read.csv

I'm using read.csv to read in a csv file containing '#' characters. 
For
example, say I'm reading the following file (test.csv):

var1,var2,var3
a,b,c
d,e#,f
g,h,i

It outputs:
> read.csv("Raw Data\\test.csv")
  var1 var2 var3
1    a    b    c
2    d    e
3    g    h    i
Warning message:
incomplete final line found by readTableHeader on 'Raw Data\test.csv'

read.csv appears to be treating '#' as a comment even in input data.  Is
there a
way to turn this interpretation off?

Thanks,

Mike

Michel Friesenhahn wrote:
> I'm using read.csv to read in a csv file containing '#'
characters.  For
> example, say I'm reading the following file (test.csv):
> 
> var1,var2,var3
> a,b,c
> d,e#,f
> g,h,i
> 
> It outputs:
> 
> 
>>read.csv("Raw Data\\test.csv")
> 
>   var1 var2 var3
> 1    a    b    c
> 2    d    e
> 3    g    h    i
> Warning message:
> incomplete final line found by readTableHeader on 'Raw
Data\test.csv'
> 
> read.csv appears to be treating '#' as a comment even in input
data.  Is there a
> way to turn this interpretation off?
> 

 From ?read.csv:

comment.char: character: a character vector of length one containing a
           single character or an empty string.  Use '""' to
turn off
           the interpretation of comments altogether.

Thus, you should use:

read.csv("Raw Data\\test.csv", comment.char = "")

--sundar

Never mind on my previous question below.  read.csv("Raw
Data\\test.csv",comment.char="") does it.

Mike


I'm using read.csv to read in a csv file containing '#' characters. 
For
example, say I'm reading the following file (test.csv):

var1,var2,var3
a,b,c
d,e#,f
g,h,i

It outputs:
> read.csv("Raw Data\\test.csv")
  var1 var2 var3
1    a    b    c
2    d    e
3    g    h    i
Warning message:
incomplete final line found by readTableHeader on 'Raw Data\test.csv'

read.csv appears to be treating '#' as a comment even in input data.  Is
there a
way to turn this interpretation off?

Thanks,

Mike

Michel Friesenhahn <michel.friesenhahn.b at bayer.com> writes:
> I'm using read.csv to read in a csv file containing '#'
characters.  For
> example, say I'm reading the following file (test.csv):
> 
> var1,var2,var3
> a,b,c
> d,e#,f
> g,h,i
> 
> It outputs:
> 
> > read.csv("Raw Data\\test.csv")
>   var1 var2 var3
> 1    a    b    c
> 2    d    e
> 3    g    h    i
> Warning message:
> incomplete final line found by readTableHeader on 'Raw
Data\test.csv'
> 
> read.csv appears to be treating '#' as a comment even in input
data.  Is there a
> way to turn this interpretation off?
comment.char=""

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  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
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