From d16aa7f83af727f5495dd4883efb603dc8b941bb Mon Sep 17 00:00:00 2001
From: Raimo Niskanen
Date: Thu, 9 Dec 2010 16:28:11 +0100
Subject: Fix ~F.Fs bug, add testcase and improve documentation
---
lib/stdlib/doc/src/io.xml | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
(limited to 'lib/stdlib/doc/src')
diff --git a/lib/stdlib/doc/src/io.xml b/lib/stdlib/doc/src/io.xml
index efbb1fc078..81fb5cad3d 100644
--- a/lib/stdlib/doc/src/io.xml
+++ b/lib/stdlib/doc/src/io.xml
@@ -464,9 +464,9 @@ ok
Prints the argument with the string syntax. The
argument is, if no Unicode translation modifier is present, an
I/O list, a binary, or an atom. If the Unicode translation modifier ('t') is in effect, the argument is chardata(), meaning that binaries are in UTF-8. The characters
- are printed without quotes. In this format, the printed
- argument is truncated to the given precision and field
- width.
+ are printed without quotes. The string is first truncated
+ by the given precision and then padded and justified
+ to the given field width. The default precision is the field width.
This format can be used for printing any object and
truncating the output so it fits a specified field:
@@ -475,6 +475,8 @@ ok
ok
4> io:fwrite("|~10s|~n", [io_lib:write({hey, hey, hey})]).
|{hey,hey,h|
+5> io:fwrite("|~-10.8s|~n", [io_lib:write({hey, hey, hey})]).
+|{hey,hey |
ok
A list with integers larger than 255 is considered an error if the Unicode translation modifier is not given: