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perlfunc:endgrentby gods (Initiate) |
on Aug 24, 1999 at 22:43 UTC ( [id://362]=perlfunc: print w/replies, xml ) | Need Help?? |
endgrentSee the current Perl documentation for endgrent. Here is our local, out-dated (pre-5.6) version: ![]() endgrent - be done using group file
![]() endgrent
![]() These routines perform the same functions as their counterparts in the system library. In list context, the return values from the various get routines are as follows:
($name,$passwd,$uid,$gid, $quota,$comment,$gcos,$dir,$shell,$expire) = getpw* ($name,$passwd,$gid,$members) = getgr* ($name,$aliases,$addrtype,$length,@addrs) = gethost* ($name,$aliases,$addrtype,$net) = getnet* ($name,$aliases,$proto) = getproto* ($name,$aliases,$port,$proto) = getserv* (If the entry doesn't exist you get a null list.) In scalar context, you get the name, unless the function was a lookup by name, in which case you get the other thing, whatever it is. (If the entry doesn't exist you get the undefined value.) For example:
$uid = getpwnam($name); $name = getpwuid($num); $name = getpwent(); $gid = getgrnam($name); $name = getgrgid($num; $name = getgrent(); #etc.
In getpw*() the fields
The
For the gethost*() functions, if the
($a,$b,$c,$d) = unpack('C4',$addr[0]);
If you get tired of remembering which element of the return list contains
which return value, by-name interfaces are also provided in modules:
use File::stat; use User::pwent; $is_his = (stat($filename)->uid == pwent($whoever)->uid);
Even though it looks like they're the same method calls (uid), they aren't,
because a |
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