stat.inspect  →  string

Produce a nicely formatted description of stat.

File.stat("/etc/passwd").inspect

> "#<File::Stat dev=0xe000005, ino=1078078, mode=0100644,

nlink=1, uid=0, gid=0, rdev=0x0, size=1374, blksize=4096,
blocks=8, atime=Wed Dec 10 10:16:12 CST 2003,
mtime=Fri Sep 12 15:41:41 CDT 2003,
ctime=Mon Oct 27 11:20:27 CST 2003>"

Source Code

/*
* call-seq:
*   stat.inspect  =>  string
*
* Produce a nicely formatted description of <i>stat</i>.
*
*   File.stat("/etc/passwd").inspect
*      #=> "#<File::Stat dev=0xe000005, ino=1078078, mode=0100644, 
*           nlink=1, uid=0, gid=0, rdev=0x0, size=1374, blksize=4096, 
*           blocks=8, atime=Wed Dec 10 10:16:12 CST 2003, 
*           mtime=Fri Sep 12 15:41:41 CDT 2003, 
*           ctime=Mon Oct 27 11:20:27 CST 2003>"
*/

static VALUE
rb_stat_inspect(self)
   VALUE self;
{
   VALUE str;
   int i;
   static const struct {
       const char *name;
       VALUE (*func)_((VALUE));
   } member[] = {
       {"dev",            rb_stat_dev},
       {"ino",            rb_stat_ino},
       {"mode",    rb_stat_mode},
       {"nlink",   rb_stat_nlink},
       {"uid",            rb_stat_uid},
       {"gid",            rb_stat_gid},
       {"rdev",    rb_stat_rdev},
       {"size",    rb_stat_size},
       {"blksize", rb_stat_blksize},
       {"blocks",  rb_stat_blocks},
       {"atime",   rb_stat_atime},
       {"mtime",   rb_stat_mtime},
       {"ctime",   rb_stat_ctime},
   };

   str = rb_str_buf_new2("#<");
   rb_str_buf_cat2(str, rb_obj_classname(self));
   rb_str_buf_cat2(str, " ");

   for (i = 0; i < sizeof(member)/sizeof(member[0]); i++) {
       VALUE v;

       if (i > 0) {
           rb_str_buf_cat2(str, ", ");
       }
       rb_str_buf_cat2(str, member[i].name);
       rb_str_buf_cat2(str, "=");
       v = (*member[i].func)(self);
       if (i == 2) {          /* mode */
           char buf[32];

           sprintf(buf, "0%lo", NUM2ULONG(v));
           rb_str_buf_cat2(str, buf);
       }
       else if (i == 0 || i == 6) { /* dev/rdev */
           char buf[32];

           sprintf(buf, "0x%lx", NUM2ULONG(v));
           rb_str_buf_cat2(str, buf);
       }
       else {
           rb_str_append(str, rb_inspect(v));
       }
   }
   rb_str_buf_cat2(str, ">");
   OBJ_INFECT(str, self);

   return str;
}