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.\" ========================================================================
.\"
.IX Title "CPANPLUS::Internals::Utils 3"
.TH CPANPLUS::Internals::Utils 3 "2013-05-20" "perl v5.16.3" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.SH "NAME"
CPANPLUS::Internals::Utils \- convenience functions for CPANPLUS
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 3
\&    my $bool = $cb\->_mkdir( dir => \*(Aqblah\*(Aq );
\&    my $bool = $cb\->_chdir( dir => \*(Aqblah\*(Aq );
\&    my $bool = $cb\->_rmdir( dir => \*(Aqblah\*(Aq );
\&
\&    my $bool = $cb\->_move( from => \*(Aq/some/file\*(Aq, to => \*(Aq/other/file\*(Aq );
\&    my $bool = $cb\->_move( from => \*(Aq/some/dir\*(Aq,  to => \*(Aq/other/dir\*(Aq );
\&
\&    my $cont = $cb\->_get_file_contents( file => \*(Aq/path/to/file\*(Aq );
\&
\&
\&    my $version = $cb\->_perl_version( perl => $^X );
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\f(CW\*(C`CPANPLUS::Internals::Utils\*(C'\fR holds a few convenience functions for
\&\s-1CPANPLUS\s0 libraries.
.SH "METHODS"
.IX Header "METHODS"
.ie n .SS "$cb\->_mkdir( dir => '/some/dir' )"
.el .SS "\f(CW$cb\fP\->_mkdir( dir => '/some/dir' )"
.IX Subsection "$cb->_mkdir( dir => '/some/dir' )"
\&\f(CW\*(C`_mkdir\*(C'\fR creates a full path to a directory.
.PP
Returns true on success, false on failure.
.ie n .SS "$cb\->_chdir( dir => '/some/dir' )"
.el .SS "\f(CW$cb\fP\->_chdir( dir => '/some/dir' )"
.IX Subsection "$cb->_chdir( dir => '/some/dir' )"
\&\f(CW\*(C`_chdir\*(C'\fR changes directory to a dir.
.PP
Returns true on success, false on failure.
.ie n .SS "$cb\->_rmdir( dir => '/some/dir' );"
.el .SS "\f(CW$cb\fP\->_rmdir( dir => '/some/dir' );"
.IX Subsection "$cb->_rmdir( dir => '/some/dir' );"
Removes a directory completely, even if it is non-empty.
.PP
Returns true on success, false on failure.
.ie n .SS "$cb\->_perl_version ( perl => 'some/perl/binary' );"
.el .SS "\f(CW$cb\fP\->_perl_version ( perl => 'some/perl/binary' );"
.IX Subsection "$cb->_perl_version ( perl => 'some/perl/binary' );"
\&\f(CW\*(C`_perl_version\*(C'\fR returns the version of a certain perl binary.
It does this by actually running a command.
.PP
Returns the perl version on success and false on failure.
.ie n .SS "$cb\->_version_to_number( version => $version );"
.el .SS "\f(CW$cb\fP\->_version_to_number( version => \f(CW$version\fP );"
.IX Subsection "$cb->_version_to_number( version => $version );"
Returns a proper module version, or '0.0' if none was available.
.ie n .SS "$cb\->_whoami"
.el .SS "\f(CW$cb\fP\->_whoami"
.IX Subsection "$cb->_whoami"
Returns the name of the subroutine you're currently in.
.ie n .SS "_get_file_contents( file => $file );"
.el .SS "_get_file_contents( file => \f(CW$file\fP );"
.IX Subsection "_get_file_contents( file => $file );"
Returns the contents of a file
.ie n .SS "$cb\->_move( from => $file|$dir, to => $target );"
.el .SS "\f(CW$cb\fP\->_move( from => \f(CW$file\fP|$dir, to => \f(CW$target\fP );"
.IX Subsection "$cb->_move( from => $file|$dir, to => $target );"
Moves a file or directory to the target.
.PP
Returns true on success, false on failure.
.ie n .SS "$cb\->_copy( from => $file|$dir, to => $target );"
.el .SS "\f(CW$cb\fP\->_copy( from => \f(CW$file\fP|$dir, to => \f(CW$target\fP );"
.IX Subsection "$cb->_copy( from => $file|$dir, to => $target );"
Moves a file or directory to the target.
.PP
Returns true on success, false on failure.
.ie n .SS "$cb\->_mode_plus_w( file => '/path/to/file' );"
.el .SS "\f(CW$cb\fP\->_mode_plus_w( file => '/path/to/file' );"
.IX Subsection "$cb->_mode_plus_w( file => '/path/to/file' );"
Sets the +w bit for the file.
.PP
Returns true on success, false on failure.
.ie n .SS "$uri = $cb\->_host_to_uri( scheme => \s-1SCHEME,\s0 host => \s-1HOST,\s0 path => \s-1PATH \s0);"
.el .SS "\f(CW$uri\fP = \f(CW$cb\fP\->_host_to_uri( scheme => \s-1SCHEME,\s0 host => \s-1HOST,\s0 path => \s-1PATH \s0);"
.IX Subsection "$uri = $cb->_host_to_uri( scheme => SCHEME, host => HOST, path => PATH );"
Turns a CPANPLUS::Config style \f(CW\*(C`host\*(C'\fR entry into an \s-1URI\s0 string.
.PP
Returns the uri on success, and false on failure
.ie n .SS "$cb\->_vcmp( \s-1VERSION, VERSION \s0);"
.el .SS "\f(CW$cb\fP\->_vcmp( \s-1VERSION, VERSION \s0);"
.IX Subsection "$cb->_vcmp( VERSION, VERSION );"
Normalizes the versions passed and does a '<=>' on them, returning the result.
.ie n .SS "$cb\->_home_dir"
.el .SS "\f(CW$cb\fP\->_home_dir"
.IX Subsection "$cb->_home_dir"
Returns the user's homedir, or \f(CW\*(C`cwd\*(C'\fR if it could not be found
.ie n .SS "$path = $cb\->_safe_path( path => $path );"
.el .SS "\f(CW$path\fP = \f(CW$cb\fP\->_safe_path( path => \f(CW$path\fP );"
.IX Subsection "$path = $cb->_safe_path( path => $path );"
Returns a path that's safe to us on Win32 and \s-1VMS.\s0
.PP
Only cleans up the path on Win32 if the path exists.
.PP
On \s-1VMS,\s0 it encodes dots to _ using \f(CW\*(C`VMS::Filespec::vmsify\*(C'\fR
.ie n .SS "($pkg, $version, $ext) = $cb\->_split_package_string( package => \s-1PACKAGE_STRING \s0);"
.el .SS "($pkg, \f(CW$version\fP, \f(CW$ext\fP) = \f(CW$cb\fP\->_split_package_string( package => \s-1PACKAGE_STRING \s0);"
.IX Subsection "($pkg, $version, $ext) = $cb->_split_package_string( package => PACKAGE_STRING );"
Splits the name of a \s-1CPAN\s0 package string up into its package, version
and extension parts.
.PP
For example, \f(CW\*(C`Foo\-Bar\-1.2.tar.gz\*(C'\fR would return the following parts:
.PP
.Vb 3
\&    Package:    Foo\-Bar
\&    Version:    1.2
\&    Extension:  tar.gz
.Ve
