How to read data and modify data in excel in unix environment

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I have posted the code could somebody help me to sort out this issue.

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#include<stdio.h>
#include<stdlib.h>
#include<unistd.h>
#include<string.h>
int main( )
{
  FILE * fp;
  char name[300],city[300],dept[300];
  fp=fopen("sampledata.xls", "r");
  if(!fp) {
   printf("File failed to open!\n");
   exit(1);
  }
  fscanf(fp,"%s%s%s",&name,&city,&dept);
  fclose(fp);
  fprintf(stdout,"First Line is %s%s%s\n", name, city, dept);
  return 0;
}

Posted 6-Oct-14 18:36pm

Member 11134036

Updated 6-Oct-14 18:37pm

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Member 11134036 · Answer 1 · 2014-10-06T18:37:00

Solution 1

And i also need how communication can be established between server and client in TCP/IP model.

Posted 6-Oct-14 18:37pm

Member 11134036

Jochen Arndt · Answer 2 · 2014-10-06T21:03:00

XLS files are using the Excel Binary File Format[^]. So you can't read and write them using C text I/O functions.

You may use an office product available for your Unix that is able to read and write those files (e.g. OpenOffice, LibreOffice).

If you need to read and write files programmatically it would be better to choose a simple file format that is also supported by Excel like CSV or HTML.