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structure and reading a text file

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benchCUB

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structure and reading a text file

Jan 7th, 2009

hi,
how can i read a text file "textfile.txt" with a structure? (in C)
thanks

the structure is in this form.

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typedef struct list
{
           char ID[9];
           char YR[10];
           char lname[14];
           char fname[24];
}LIST[256];
typedef struct list
{
           char ID[9];
           char YR[10];
           char lname[14];
           char fname[24];
}LIST[256];

Last edited by Ancient Dragon : Jan 7th, 2009 at 9:34 am. Reason: add code tags

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Re: structure and reading a text file

Jan 7th, 2009

Don't know the answer to your question until I know the contents of the text file. Without that knowledge, generally I would use fgets() to read a line, then parse it into its individual parts into the structure.

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benchCUB

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Re: structure and reading a text file

Jan 7th, 2009

the text file " textfile.txt" is in this form:

076 yr1 Santos Jose
054 yr1 Alonzo Pedro
087 yr4 Vasquez Carlos Israel
076 yr2 Marquez Juan Miguel

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Re: structure and reading a text file

Jan 7th, 2009

you could do something like this:

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fscanf(fp,"%s%s%s", List[i].ID, List[i].YR, List[i].lname);
  // get the first name separately because it may be composed of 
  // two or more names with spaces, so fscanf() will not work with this.
fgets(List[i].fname, sizeof(List[i].fname, fp);

Of course you will have to put the above in a loop after opening the file for reading.

Last edited by Ancient Dragon : Jan 7th, 2009 at 11:04 am.