29 lines
572 B
Factor
29 lines
572 B
Factor
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! Copyright (C) 2011 John Benediktsson
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! See http://factorcode.org/license.txt for BSD license
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USING: command-line io io.encodings.utf8 io.files kernel
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namespaces sets sequences ;
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IN: tools.uniq
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: uniq-lines ( -- )
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f [
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2dup = [ dup print ] unless nip
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] each-line drop ;
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: uniq-file ( path/f -- )
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[
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utf8 [ uniq-lines ] with-file-reader
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] [
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uniq-lines
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] if* ;
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: run-uniq ( -- )
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command-line get [ ?first ] [ ?second ] bi [
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utf8 [ uniq-file ] with-file-writer
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] [
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uniq-file
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] if* ;
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MAIN: run-uniq
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