Extracting the first column from a file

[chandra85]

i need to get first column alone from a text file. i think it can b done with fread. so pls say how to do it.

[gpraghuram]

i need to get first column alone from a text file. i think it can b done with fread. so pls say how to do it.

Is the file delimited by a space?
If yes then use fgets to read the line and use sscanf to get the first token.

Raghuram

[sicarie]

chandra85-

Please do not double-post. I have removed your other post on the subject.

[forse]

Hi,

If your columns have a field separator, then you can read the file content character by character, until you reach your field separator.

Here is a Tutorial on reading and writing files in C++