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.\" ========================================================================
.\"
.IX Title "File::stat 3"
.TH File::stat 3 "2012-11-03" "perl v5.12.5" "Perl Programmers Reference Guide"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
File::stat \- by\-name interface to Perl's built\-in stat() functions
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 5
\& use File::stat;
\& $st = stat($file) or die "No $file: $!";
\& if ( ($st\->mode & 0111) && $st\->nlink > 1) ) {
\&     print "$file is executable with lotsa links\en";
\& } 
\&
\& if ( \-x $st ) {
\&     print "$file is executable\en";
\& }
\&
\& use Fcntl "S_IRUSR";
\& if ( $st\->cando(S_IRUSR, 1) ) {
\&     print "My effective uid can read $file\en";
\& }
\&
\& use File::stat qw(:FIELDS);
\& stat($file) or die "No $file: $!";
\& if ( ($st_mode & 0111) && ($st_nlink > 1) ) {
\&     print "$file is executable with lotsa links\en";
\& }
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This module's default exports override the core \fIstat()\fR 
and \fIlstat()\fR functions, replacing them with versions that return 
\&\*(L"File::stat\*(R" objects.  This object has methods that
return the similarly named structure field name from the
\&\fIstat\fR\|(2) function; namely,
dev,
ino,
mode,
nlink,
uid,
gid,
rdev,
size,
atime,
mtime,
ctime,
blksize,
and
blocks.
.PP
As of version 1.02 (provided with perl 5.12) the object provides \f(CW"\-X"\fR
overloading, so you can call filetest operators (\f(CW\*(C`\-f\*(C'\fR, \f(CW\*(C`\-x\*(C'\fR, and so
on) on it. It also provides a \f(CW\*(C`\->cando\*(C'\fR method, called like
.PP
.Vb 1
\& $st\->cando( ACCESS, EFFECTIVE )
.Ve
.PP
where \fI\s-1ACCESS\s0\fR is one of \f(CW\*(C`S_IRUSR\*(C'\fR, \f(CW\*(C`S_IWUSR\*(C'\fR or \f(CW\*(C`S_IXUSR\*(C'\fR from the
Fcntl module, and \fI\s-1EFFECTIVE\s0\fR indicates whether to use
effective (true) or real (false) ids. The method interprets the \f(CW\*(C`mode\*(C'\fR,
\&\f(CW\*(C`uid\*(C'\fR and \f(CW\*(C`gid\*(C'\fR fields, and returns whether or not the current process
would be allowed the specified access.
.PP
If you don't want to use the objects, you may import the \f(CW\*(C`\->cando\*(C'\fR
method into your namespace as a regular function called \f(CW\*(C`stat_cando\*(C'\fR.
This takes an arrayref containing the return values of \f(CW\*(C`stat\*(C'\fR or
\&\f(CW\*(C`lstat\*(C'\fR as its first argument, and interprets it for you.
.PP
You may also import all the structure fields directly into your namespace
as regular variables using the :FIELDS import tag.  (Note that this still
overrides your \fIstat()\fR and \fIlstat()\fR functions.)  Access these fields as
variables named with a preceding \f(CW\*(C`st_\*(C'\fR in front their method names.
Thus, \f(CW\*(C`$stat_obj\->dev()\*(C'\fR corresponds to \f(CW$st_dev\fR if you import
the fields.
.PP
To access this functionality without the core overrides,
pass the \f(CW\*(C`use\*(C'\fR an empty import list, and then access
function functions with their full qualified names.
On the other hand, the built-ins are still available
via the \f(CW\*(C`CORE::\*(C'\fR pseudo-package.
.SH "BUGS"
.IX Header "BUGS"
As of Perl 5.8.0 after using this module you cannot use the implicit
\&\f(CW$_\fR or the special filehandle \f(CW\*(C`_\*(C'\fR with \fIstat()\fR or \fIlstat()\fR, trying
to do so leads into strange errors.  The workaround is for \f(CW$_\fR to
be explicit
.PP
.Vb 1
\&    my $stat_obj = stat $_;
.Ve
.PP
and for \f(CW\*(C`_\*(C'\fR to explicitly populate the object using the unexported
and undocumented \fIpopulate()\fR function with \fICORE::stat()\fR:
.PP
.Vb 1
\&    my $stat_obj = File::stat::populate(CORE::stat(_));
.Ve
.SH "ERRORS"
.IX Header "ERRORS"
.IP "\-%s is not implemented on a File::stat object" 4
.IX Item "-%s is not implemented on a File::stat object"
The filetest operators \f(CW\*(C`\-t\*(C'\fR, \f(CW\*(C`\-T\*(C'\fR and \f(CW\*(C`\-B\*(C'\fR are not implemented, as
they require more information than just a stat buffer.
.SH "WARNINGS"
.IX Header "WARNINGS"
These can all be disabled with
.PP
.Vb 1
\&    no warnings "File::stat";
.Ve
.IP "File::stat ignores use filetest 'access'" 4
.IX Item "File::stat ignores use filetest 'access'"
You have tried to use one of the \f(CW\*(C`\-rwxRWX\*(C'\fR filetests with \f(CW\*(C`use
filetest \*(Aqaccess\*(Aq\*(C'\fR in effect. \f(CW\*(C`File::stat\*(C'\fR will ignore the pragma, and
just use the information in the \f(CW\*(C`mode\*(C'\fR member as usual.
.IP "File::stat ignores \s-1VMS\s0 ACLs" 4
.IX Item "File::stat ignores VMS ACLs"
\&\s-1VMS\s0 systems have a permissions structure that cannot be completely
represented in a stat buffer, and unlike on other systems the builtin
filetest operators respect this. The \f(CW\*(C`File::stat\*(C'\fR overloads, however,
do not, since the information required is not available.
.SH "NOTE"
.IX Header "NOTE"
While this class is currently implemented using the Class::Struct
module to build a struct-like class, you shouldn't rely upon this.
.SH "AUTHOR"
.IX Header "AUTHOR"
Tom Christiansen


.\" Oracle has added the ARC stability level to this manual page
.SH ATTRIBUTES
See
.BR attributes (5)
for descriptions of the following attributes:
.sp
.TS
box;
cbp-1 | cbp-1
l | l .
ATTRIBUTE TYPE	ATTRIBUTE VALUE 
=
Availability	runtime/perl-512
=
Stability	Uncommitted
.TE 
.PP

.SH NOTES

.\" Oracle has added source availability information to this manual page
This software was built from source available at https://java.net/projects/solaris-userland.  The original community source was downloaded from  http://www.cpan.org/src/5.0/perl-5.12.5.tar.bz2

Further information about this software can be found on the open source community website at http://www.perl.org/.