有关文件操作的问题

[Firec]

如何取消一个文件的只读、隐藏等属性？

[shuixin13]

变通一下吧

WINEXEC('ATTRIB -H -R C:\1.TXT',SW_HIDE)

：》

[yang6130]

filesetattr((filegetattr(sFileName)) and (not faHidden) and (not faReadonly ));

[柯嘉]

// The following code will change the file autoexec.bat's attribute
#include <stdio.h>

int main(void)
{
FILE *in, *out;

if ((in = fopen("\\AUTOEXEC.BAT", "rt"))
== NULL)
{
fprintf(stderr, "Cannot open input file.\n");
return 1;
}

if ((out = fopen("\\AUTOEXEC.BAK", "wt"))
== NULL)
{
fprintf(stderr, "Cannot open output file.\n");
return 1;
}

while (!feof(in))
fputc(fgetc(in), out);

fclose(in);

fclose(out);
return 0;
}
/*
r Open for reading only.
w Create for writing. If a file by that name already exists, it will be overwritten.
a Append; open for writing at end-of-file or create for writing if the file does not exist.
r+ Open an existing file for update (reading and writing).
w+ Create a new file for update (reading and writing). If a file by that name already exists, it will be overwritten.
a+ Open for append; open (or create if the file does not exist) for update at the end of the file.
*/