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https://github.com/justinfx/gofileseq

A library for parsing/building frame ranges and sequences. A port of the python fileseq library, for Go and C++(https://github.com/justinfx/fileseq)
https://github.com/justinfx/gofileseq

cpp fileseq filesystem go golang ranges vfx

Last synced: about 2 months ago
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A library for parsing/building frame ranges and sequences. A port of the python fileseq library, for Go and C++(https://github.com/justinfx/fileseq)

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README

        

![Fileseq](https://raw.githubusercontent.com/justinfx/fileseq/master/docs/_static/fileseq_large.png "Fileseq")
=======
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[![Go Report](https://goreportcard.com/badge/github.com/justinfx/gofileseq)](https://goreportcard.com/report/github.com/justinfx/gofileseq)

A Go language library for parsing file sequence strings commonly
used in VFX and animation applications.

Ported from the original fileseq Python library:
https://github.com/justinfx/fileseq

For C++, see [C++ Support](#c-support)

Frame Range Shorthand
---------------------

Support for:

* Standard: 1-10
* Comma Delimted: 1-10,10-20
* Chunked: 1-100x5
* Filled: 1-100y5
* Staggered: 1-100:3 (1-100x3, 1-100x2, 1-100)
* Negative frame numbers: -10-100
* Padding: #=4 padded, @=single pad
* Printf Syntax Padding: %04d=4 padded, %01d=1 padded
* Houdini Syntax Padding: $F4=4 padding, $F=1 padded
* Udim Syntax Padding: or %(UDIM)d, always 4 padded

Sequence Formats
----------------

Sequences of files are expected to follow a pattern similar to:

* /path/to/some/file_foo.0100.exr
* /path/to/some/file_foo.1-100#.jpg
* /path/to/some/file_foo.1-100@@@.tif
* /path/to/some/file_foo.1-100%03d.tif
* /path/to/some/file_foo.1-100$F3.tif
* /path/to/some/file_foo.1-100.tif
* /path/to/some/file_foo.1-100%(UDIM)d.tif

Install
-------

```bash
go get github.com/justinfx/gofileseq/v2
```

Also included is a [`seqls`](https://github.com/justinfx/gofileseq/tree/master/cmd/seqls) tool, which uses `gofileseq` to produce an executable, used for listing sequences on the filesystem:

And [`seqinfo`](https://github.com/justinfx/gofileseq/tree/master/cmd/seqinfo) tool, which can print plain-text or json parsed information about one or more sequence strings.

Download the latest [binary release](https://github.com/justinfx/gofileseq/releases/latest)

Or install from source:
```bash
go get github.com/justinfx/gofileseq/v2/cmd/seqls
seql some/images
# some/images/file_foo.1-100@@@.tif
```

C++ Support
------------

A C++ pure port of gofileseq is also available in the [cpp](https://github.com/justinfx/gofileseq/tree/master/cpp) dir