[Github-comments] [geany/geany] [Feature request] Support different combinations of I/O in Custom Commands (#1037)

[Andy Alt]

```
/*
 * This can be  used with Geany's custom commands
 *  it will capitalize the first letter in a selection, and every following word that
 * is preceded by a space.
 */

#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <stdlib.h>

#define MAX_LENGTH 1024

int main(int argc, char **argv)
{
  char *selection = malloc (sizeof (char* ) * MAX_LENGTH + 1);

  if (fgets (selection, MAX_LENGTH + 1, stdin) != NULL)
  {
    if (strlen (selection) > MAX_LENGTH)
      return 1;

    int pos = 0;

    while (selection[pos] != '\0')
    {
      if (selection[pos] == ' ' || pos == 0)
      {
        /* Use a loop here in case a space follows a space in the string
         * otherwise the second ' ' would get capped, but not the letter
         * that follows it
         *
         * NOTE: Most people would probably just want the extra space
         * deleted but left as is for now)
         */
        while (selection[pos] == ' ')
          pos++;

        selection[pos] = toupper (selection[pos]);
      }
      pos++;
    }

    fprintf (stdout, "%s", selection);
    return 0;
  }

  return 1;
}

```

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