STDIN Devie File Name and Location


 
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Operating Systems HP-UX STDIN Devie File Name and Location
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Old 10-13-2009
STDIN Devie File Name and Location

Hi all,
I want to know the device filename of STDIN in HPUX.
As the same is available on other platforms at /dev/ directory as "/dev/stdin", i can't find any filename for STDIN at /dev/ in HPUX.

Please let me know the name and location of device file of STDIN on HPUX.

Thanks

regards,
Srikrishna Erra.
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File::MimeInfo::Cookbook(3pm)				User Contributed Perl Documentation			     File::MimeInfo::Cookbook(3pm)

NAME
File::MimeInfo::Cookbook - various code snippets DESCRIPTION
Some code snippets for non-basic uses of the File::MimeInfo module: Matching an extension A file does not have to actually exist in order to get a mimetype for it. This means that the following will work: my $extension = '*.txt'; my $mimetype = mimetype( $extension ); Mimetyping an scalar If you want to find the mimetype of a scalar value you need magic mimetyping; after all a scalar doesn't have a filename or inode. What you need to do is to use IO::Scalar : use File::MimeInfo::Magic; use IO::Scalar; my $io_scalar = new IO::Scalar $data; my $mimetype = mimetype( $io_scalar ); In fact most other "IO::" will work as long as they support the "seek()" and "read()" methods. Of course if you want really obscure things to happen you can always write your own IO object and feed it in there. Be aware that when using a filehandle like this you need to set the ":utf8" binmode yourself if apropriate. Mimetyping a filehandle Regrettably for non-seekable filehandles like STDIN simply using an "IO::" object will not work. You will need to buffer enough of the data for a proper mimetyping. For example you could mimetype data from STDIN like this: use File::MimeInfo::Magic; use IO::Scalar; my $data; read(STDIN, $data, $File::MimeInfo::Magic::max_buffer); my $io_scalar = new IO::Scalar $data; my $mimetype = mimetype( $io_scalar ); Be aware that when using a filehandle like this you need to set the ":utf8" binmode yourself if apropriate. Creating a new filename Say you have a temporary file that you want to save with a more proper filename. use File::MimeInfo::Magic qw#mimetype extensions#; use File::Copy; my $tmpfile = '/tmp/foo'; my $mimetype = mimetype($tmpfile); my $extension = extensions($mimetype); my $newfile = 'untitled1'; $newfile .= '.'.$extension if length $extension; move($tmpfile, $newfile); Force the use of a certain database directory Normally you just need to add the dir where your mime database lives to either the XDG_DATA_HOME or XDG_DATA_DIRS environment variables for it to be found. But in some rare cases you may want to by-pass this system all together. Try one of the following: @File::MimeInfo::DIRS = ('/home/me/share/mime'); eval 'use File::MimeInfo'; die if $@; or: use File::MimeInfo; @File::MimeInfo::DIRS = ('/home/me/share/mime'); File::MimeInfo->rehash(); This can also be used for switching between databases at run time while leaving other XDG configuration stuff alone. AUTHOR
Jaap Karssenberg <pardus@cpan.org> Copyright (c) 2005, 2012 Jaap G Karssenberg. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. SEE ALSO
File::MimeInfo perl v5.14.2 2012-01-05 File::MimeInfo::Cookbook(3pm)

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