tools.directory-to-file: Add a command-line program to make a directory into a file and restore it.

basis/tools/directory-to-file/authors.txt

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+Doug Coleman

basis/tools/directory-to-file/directory-to-file.factor

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+! Copyright (C) 2018 Doug Coleman.
+! See http://factorcode.org/license.txt for BSD license.
+USING: assocs base64 command-line escape-strings fry io.backend
+io.directories io.directories.search io.encodings.binary
+io.encodings.utf8 io.files io.files.info io.pathnames kernel
+math namespaces sequences sequences.extras splitting ;
+IN: tools.directory-to-file
+
+: file-is-binary? ( path -- ? )
+    binary file-contents [ 127 <= ] all? ;
+
+: directory-to-string ( path -- string )
+    normalize-path
+    [ path-separator = ] trim-tail "/" append
+    [ recursive-directory-files [ file-info directory? ] reject ] keep
+    dup '[
+        [ _  ?head drop ] map
+    [
+        dup file-is-binary? [
+            utf8 file-contents escape-string
+        ] [
+            binary file-contents >base64 "" like escape-string
+            "base64" prepend
+        ] if
+        ] map-zip
+    ] with-directory
+    [
+        first2
+        [ escape-string "FILE: " prepend ] dip " " glue
+    ] map "\n\n" join ;
+
+: directory-to-file ( path -- )
+    [ directory-to-string ] keep ".modern" append
+    utf8 set-file-contents ;
+
+: directory-to-file-main ( -- )
+    command-line get dup length 1 = [ "oops" throw ] unless first
+    directory-to-file ;
+
+MAIN: directory-to-file-main

basis/tools/file-to-directory/authors.txt

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+Doug Coleman

basis/tools/file-to-directory/file-to-directory.factor

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+! Copyright (C) 2018 Doug Coleman.
+! See http://factorcode.org/license.txt for BSD license.
+USING: base64 command-line fry io.directories
+io.encodings.binary io.encodings.utf8 io.files io.pathnames
+kernel modern modern.out namespaces sequences splitting strings ;
+IN: tools.file-to-directory
+
+ERROR: expected-one-path got ;
+ERROR: expected-modern-path got ;
+
+: write-directory-files ( path -- )
+    [ ".modern" ?tail drop dup make-directories ]
+    [ path>literals ] bi
+    '[
+        _ [
+            second first2 [ third >string ] dip
+
+            [ third ] [
+                first "base64" head?
+                [ [ >string ] [ base64> ] bi* swap binary ]
+                [ [ >string ] bi@ swap utf8 ] if
+            ] bi
+            [ dup parent-directory make-directories ] dip set-file-contents
+        ] each
+    ] with-directory ;
+
+: get-file-to-directory-path ( array -- path )
+    dup length 1 = [ expected-one-path ] unless
+    first dup ".modern" tail? [ expected-modern-path ] unless ;
+
+: file-to-directory ( -- )
+    command-line get get-file-to-directory-path write-directory-files ;
+
+MAIN: file-to-directory