3400

Undo commit 3340. Let's standardize names of non-core files to only have
dashes. That's also consistent with the edit/ and sandbox/ apps. Mu
programmers will tend to pervasively use dashes, just like Lisp
programmers.

Scripts will continue to use underscores..

1 files changed, 18 insertions, 0 deletions

diff --git a/real-files.mu b/real-files.mu
new file mode 100644
index 00000000..78108fbe
--- /dev/null
+++ b/real-files.mu
@@ -0,0 +1,18 @@
+# example program: read a character from one file and write it to another
+# BEWARE: this will modify your file system
+# before running it, put a character into /tmp/mu-x
+# after running it, check /tmp/mu-y
+
+def main [
+  local-scope
+  f:num/file <- $open-file-for-reading [/tmp/mu-x]
+  $print [file to read from: ], f, 10/newline
+  c:char, eof?:boolean <- $read-from-file f
+  $print [copying ], c, 10/newline
+  f <- $close-file f
+  $print [file after closing: ], f, 10/newline
+  f <- $open-file-for-writing [/tmp/mu-y]
+  $print [file to write to: ], f, 10/newline
+  $write-to-file f, c
+  f <- $close-file f
+]