factor/extra/tools/cat/cat.factor

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640 B
Factor

! Copyright (C) 2010 John Benediktsson
! See http://factorcode.org/license.txt for BSD license
USING: command-line formatting kernel io io.encodings.binary
io.files namespaces sequences strings ;
IN: tools.cat
: cat-lines ( -- )
[ print flush ] each-line ;
: cat-stream ( -- )
[ >string write flush ] each-block ;
: cat-file ( path -- )
dup exists? [
binary [ cat-stream ] with-file-reader
] [ "%s: not found\n" printf flush ] if ;
: cat-files ( paths -- )
[ dup "-" = [ drop cat-lines ] [ cat-file ] if ] each ;
: run-cat ( -- )
command-line get [ cat-lines ] [ cat-files ] if-empty ;
MAIN: run-cat