.\" Automatically generated by Pod::Man 4.07 (Pod::Simple 3.32) .\" .\" Standard preamble: .\" ======================================================================== .de Sp \" Vertical space (when we can't use .PP) .if t .sp .5v .if n .sp .. .de Vb \" Begin verbatim text .ft CW .nf .ne \\$1 .. .de Ve \" End verbatim text .ft R .fi .. .\" Set up some character translations and predefined strings. \*(-- will .\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left .\" double quote, and \*(R" will give a right double quote. \*(C+ will .\" give a nicer C++. Capital omega is used to do unbreakable dashes and .\" therefore won't be available. \*(C` and \*(C' expand to `' in nroff, .\" nothing in troff, for use with C<>. .tr \(*W- .ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' .ie n \{\ . ds -- \(*W- . ds PI pi . if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch . if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch . ds L" "" . ds R" "" . ds C` "" . ds C' "" 'br\} .el\{\ . ds -- \|\(em\| . ds PI \(*p . ds L" `` . ds R" '' . ds C` . ds C' 'br\} .\" .\" Escape single quotes in literal strings from groff's Unicode transform. .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" .\" If the F register is >0, we'll generate index entries on stderr for .\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index .\" entries marked with X<> in POD. Of course, you'll have to process the .\" output yourself in some meaningful fashion. .\" .\" Avoid warning from groff about undefined register 'F'. .de IX .. .if !\nF .nr F 0 .if \nF>0 \{\ . de IX . tm Index:\\$1\t\\n%\t"\\$2" .. . if !\nF==2 \{\ . nr % 0 . nr F 2 . \} .\} .\" ======================================================================== .\" .IX Title "MongoDB::GridFS::File 3pm" .TH MongoDB::GridFS::File 3pm "2016-09-09" "perl v5.24.1" "User Contributed Perl Documentation" .\" 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" MongoDB::GridFS::File \- A Mongo GridFS file (DEPRECATED) .SH "VERSION" .IX Header "VERSION" version v1.4.5 .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 1 \& use MongoDB::GridFS::File; \& \& $outfile = IO::File\->new("outfile", "w"); \& $file = $grid\->find_one; \& $file\->print($outfile); .Ve .SH "USAGE" .IX Header "USAGE" .SS "Error handling" .IX Subsection "Error handling" Unless otherwise explicitly documented, all methods throw exceptions if an error occurs. The error types are documented in MongoDB::Error. .PP To catch and handle errors, the Try::Tiny and Safe::Isa modules are recommended: .PP .Vb 2 \& use Try::Tiny; \& use Safe::Isa; # provides $_isa \& \& $bytes = try { \& $file\->slurp; \& } \& catch { \& if ( $_\->$_isa("MongoDB::TimeoutError" ) { \& ... \& } \& else { \& ... \& } \& }; .Ve .PP To retry failures automatically, consider using Try::Tiny::Retry. .SH "ATTRIBUTES" .IX Header "ATTRIBUTES" .SS "info" .IX Subsection "info" A hash reference of metadata saved with this file. .SH "METHODS" .IX Header "METHODS" .SS "print" .IX Subsection "print" .Vb 3 \& $written = $file\->print($fh); \& $written = $file\->print($fh, $length); \& $written = $file\->print($fh, $length, $offset) .Ve .PP Writes the number of bytes specified from the offset specified to the given file handle. If no \f(CW$length\fR or \f(CW$offset\fR are given, the entire file is written to \f(CW$fh\fR. Returns the number of bytes written. .SS "slurp" .IX Subsection "slurp" .Vb 3 \& $all = $file\->slurp \& $bytes = $file\->slurp($length); \& $bytes = $file\->slurp($length, $offset); .Ve .PP Return the number of bytes specified from the offset specified. If no \&\f(CW$length\fR or \f(CW$offset\fR are given, the entire file is returned. .SH "DEPRECATION" .IX Header "DEPRECATION" \&\fBNote\fR: This class has been deprecated in favor of MongoDB::GridFSBucket and its related upload and download classes. This class will be removed in a future release and you are encouraged to migrate your applications to MongoDB::GridFSBucket. .SH "AUTHORS" .IX Header "AUTHORS" .IP "\(bu" 4 David Golden .IP "\(bu" 4 Mike Friedman .IP "\(bu" 4 Kristina Chodorow .IP "\(bu" 4 Florian Ragwitz .SH "COPYRIGHT AND LICENSE" .IX Header "COPYRIGHT AND LICENSE" This software is Copyright (c) 2016 by MongoDB, Inc. .PP This is free software, licensed under: .PP .Vb 1 \& The Apache License, Version 2.0, January 2004 .Ve