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authorDebbie Wiles <debs@dwiles.demon.co.uk>2002-06-01 11:16:49 +0000
committerDebbie Wiles <debs@dwiles.demon.co.uk>2002-06-01 11:16:49 +0000
commit4cd2604ebf95e0e1644ae291a5b1cfce10460706 (patch)
tree0ce7f7643c17e4f19536e6cca1502daab2ed8996 /doc
parent7128979716ebde33188a94258e41ae437b8a0606 (diff)
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Altered the documentation for the %! directive
Diffstat (limited to 'doc')
-rw-r--r--doc/nasmdoc.src16
1 files changed, 9 insertions, 7 deletions
diff --git a/doc/nasmdoc.src b/doc/nasmdoc.src
index fb8a12b..98fb66d 100644
--- a/doc/nasmdoc.src
+++ b/doc/nasmdoc.src
@@ -3260,20 +3260,22 @@ environment variable at assembly time. This could, for example, be used
to store the contents of an environment variable into a string, which
could be used at some other point in your code.
-For example, you may want to embed the path to your TEMP directory
-in your program. As this is usually stored in an environment variable
-called TEMP, this could be coded as follows:
+For example, suppose that you have an environment variable \c{FOO}, and
+you want the contents of \c{FOO} to be embedded in your program. You
+could do that as follows:
-\c %define TEMP %!TEMP
+\c %define FOO %!FOO
\c %define quote '
\c
-\c tmpstr db quote TEMP quote
+\c tmpstr db quote FOO quote
At the time of writing, this will generate an "unterminated string"
warning at the time of defining "quote", and it will add a space
before and after the string that is read in. I was unable to find
-a simple workaround, so I believe that you will need to allow for
-the extra spaces if you make use of this feature in that way.
+a simple workaround (although a workaround can be created using a
+multi-line macro), so I believe that you will need to either learn how
+to create more complex macros, or allow for the extra spaces if you
+make use of this feature in that way.
\C{directive} \i{Assembler Directives}