Francois Berenger wrote:

This example line and scanning format work:

# let line = "active_ZINC01535869
0.470,0.389,0.479,0.453,0.470,0.631,0.562,0.590,0.677,0.558,0.379";;
                                                       val line : string =
   "active_ZINC01535869
0.470,0.389,0.479,0.453,0.470,0.631,0.562,0.590,0.677,0.558,0.379"
# Scanf.sscanf line "%s %f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f" (fun name s1
s2 s3 s4 s5 s6 s7 s8 s9 s10 s11 -> (name, s1, s2, s3, s4, s5, s6, s7,
s8, s9, s10, s11));;
- : string * float * float * float * float * float * float * float *
     float * float * float * float
=
("active_ZINC01535869", 0.47, 0.389, 0.479, 0.453, 0.47, 0.631, 0.562,
0.59, 0.677, 0.558, 0.379)

This one doesn't:

# let line =
"active_ZINC01535869,0.470,0.389,0.479,0.453,0.470,0.631,0.562,0.590,0.677,0.558,0.379";;
                                                          val line :
string =

"active_ZINC01535869,0.470,0.389,0.479,0.453,0.470,0.631,0.562,0.590,0.677,0.558,0.379"

# Scanf.sscanf line "%s,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f" (fun name s1
s2 s3 s4 s5 s6 s7 s8 s9 s10 s11 -> (name, s1, s2, s3, s4, s5, s6, s7,
s8, s9, s10, s11));;
Exception: End_of_file.

I am quite surprised.
I was expecting the first separator being a space or a coma
to behave the same.

The specification of scanf "%s" is "Any number of non-whitespace characters, stopping at the first whitespace character found".

So, perhaps not that surprising?

Regards,
--
Robert Roessler

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