parkour.fs documentation

*temp-dir*
Default path to system temporary directory on the default
filesystem.  May be overridden in configuration via the property
`parkour.temp.dir`.
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Coercions
Protocol for coercing objects to Hadoop `Path`s and `java.net.URI`s.  Logical
extension of `clojure.java.io/Coercions`.
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distcache!
(distcache! conf uri-map)
Update Hadoop `conf` to merge the `uri-map` of local file paths to
URIs into the distributed cache configuration.
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distcache-files
(distcache-files conf)
Retrieve map of existing distcache entries from `conf`.

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distcacher
(distcacher uri-map)
Return a function for merging the `uri-map` of local paths to URIs
into the distributed cache files of a Hadoop configuration.
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hidden?
(hidden? p)
True iff `p` is an HDFS-hidden ('_'-prefixed) file.

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input-stream
(input-stream p)(input-stream conf p)
Open an input stream on `p`, via a Hadoop filesystem when in a
supported scheme and via `io/input-stream` when not.
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path
(path x)(path x y)(path x y & more)
Coerce argument(s) to a Path, resolving successive arguments against base.

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path-array
(path-array ps)
Array of `Path`s for each entry in seq `ps`.

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path-create
(path-create p)(path-create fs p)
Create an output stream on `p` for `fs`, or default `fs` if not provided.

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path-delete
(path-delete p)(path-delete fs p)
Recursively delete files at path `p`.

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path-exists?
(path-exists? p)(path-exists? fs p)
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path-fs
(path-fs p)(path-fs conf p)
Hadoop filesystem for the path `p`.

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path-glob
(path-glob p)(path-glob fs p)
Expand path glob `p` to set of matching paths.

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path-list
(path-list p)(path-list fs p)
List the entries in the directory at path `p`.

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path-map
(path-map dir)(path-map fs dir)
Return map of file basename to full path for all files in `dir`.

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path-open
(path-open p)(path-open fs p)
Open an input stream on `p`, or default `fs` if not provided.

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path-qualified
(path-qualified p)(path-qualified fs p)
Expand path `p` to a filesystem-qualified path.

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path?
(path? x)
True iff `x` is a Path.

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temp-root
(temp-root conf)
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uri
(uri x)(uri x y)(uri x y & more)
Coerce argument(s) to a URI, resolving successive arguments against base.

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uri?
(uri? x)
True iff `x` is a URI.

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with-copies
macro
(with-copies [name uri-map conf] & body)
Copy the URI values of `uri-map` to a temporary directory on the
default Hadoop filesystem, optionally specified by `conf`.  Evaluate
`body` forms with `name` bound to the map of original `uri-map` keys
to new temporary paths.
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with-copies*
(with-copies* conf uri-map f)
Function form of `with-copies`.

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with-temp-dir
macro
(with-temp-dir [temp-dir conf] & body)
Run the forms in `body` with `temp-dir` bound to a Hadoop filesystem
temporary directory path, created via the optional `conf`.
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with-temp-dir*
(with-temp-dir* f)(with-temp-dir* conf f)
Function version of `with-temp-dir`.

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