53 lines
1.4 KiB
Factor
53 lines
1.4 KiB
Factor
! Copyright (C) 2008 Doug Coleman.
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! See http://factorcode.org/license.txt for BSD license.
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USING: kernel math math.bitwise combinators.lib math.parser
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random sequences sequences.lib continuations namespaces
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io.files io arrays io.files.unique.backend system
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combinators vocabs.loader fry ;
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IN: io.files.unique
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SYMBOL: unique-length
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SYMBOL: unique-retries
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10 unique-length set-global
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10 unique-retries set-global
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<PRIVATE
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: random-letter ( -- ch )
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26 random { CHAR: a CHAR: A } random + ;
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: random-ch ( -- ch )
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{ t f } random
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[ 10 random CHAR: 0 + ] [ random-letter ] if ;
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: random-name ( n -- string )
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[ random-ch ] "" replicate-as ;
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PRIVATE>
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: make-unique-file ( prefix suffix -- path )
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temporary-path -rot
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[
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unique-length get random-name swap 3append append-path
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dup (make-unique-file)
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] 3curry unique-retries get retry ;
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: with-unique-file ( prefix suffix quot: ( path -- ) -- )
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[ make-unique-file ] dip [ delete-file ] bi ; inline
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: make-unique-directory ( -- path )
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[
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temporary-path unique-length get random-name append-path
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dup make-directory
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] unique-retries get retry ;
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: with-unique-directory ( quot: ( -- ) -- )
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[ make-unique-directory ] dip
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'[ _ with-directory ] [ delete-tree ] bi ; inline
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{
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{ [ os unix? ] [ "io.unix.files.unique" ] }
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{ [ os windows? ] [ "io.windows.files.unique" ] }
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} cond require
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