Displaying 8 results from an estimated 8 matches for "ccac".
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cca
2010 May 19
1
sample and rearrange
Dear Wu Gong and Peter Ehlers,
thank you very much for your help debugging my script.
Now I have a general following up question:
Is there a straightforward way to rearrange the following dataset so
that all first letters of each column will be combined in one column,
all the second letters in a second column, all the third ones in a
third column and so on, resulting in 7 columns,
i.e. for
2017 Sep 22
0
[PATCH v3 02/22] common/mlpcre: Add PCRE.subi to return indexes instead of the substring.
..." %s\n%!" r;
r
+let subi i =
+ eprintf "PCRE.subi %d ->%!" i;
+ let i1, i2 = PCRE.subi i in
+ eprintf " (%d, %d)\n%!" i1 i2;
+ (i1, i2)
+
let () =
try
let re0 = compile "a+b" in
@@ -62,19 +68,26 @@ let () =
assert (matches re2 "ccac" = true);
assert (sub 1 = "a");
assert (sub 2 = "");
- assert (sub 0 = "a")
+ assert (sub 0 = "a");
+ assert (subi 0 = (2, 3));
+ assert (subi 1 = (2, 3));
+ assert (subi 2 = (3, 3))
with
| Not_found ->
failwith &q...
2017 Sep 20
4
[PATCH 0/4] Replace some uses of the Str module with PCRE.
Str is a pretty ugly regexp module. Let's try to replace it with
PCRE. This series of commits goes some small way towards that
eventual goal.
- - -
I wonder if there was a deep reason why we had this?
let unix2dos s =
String.concat "\r\n" (Str.split_delim (Str.regexp_string "\n") s)
I replaced it with what I think should be (nearly) equivalent:
let unix2dos s =
2017 Sep 22
0
[PATCH v3 01/22] common/mlpcre: Raise Invalid_argument if PCRE.sub n parameter is negative.
...9,6 +69,13 @@ let () =
| PCRE.Error (msg, code) ->
failwith (sprintf "PCRE error: %s (PCRE error code %d)" msg code)
+(* Run some out of range [sub] calls to ensure an exception is thrown. *)
+let () =
+ let re2 = compile "(a+)(b*)" in
+ ignore (matches re2 "ccac");
+ (try ignore (sub 3) with Not_found -> ());
+ (try ignore (sub (-1)) with Invalid_argument _ -> ())
+
(* Compile some bad regexps and check that an exception is thrown.
* It would be nice to check the error message is right but
* that involves dealing with language and future...
2017 Sep 21
18
[PATCH v2 00/18] Replace many more uses of the Str module with PCRE.
v1 was here:
https://www.redhat.com/archives/libguestfs/2017-September/msg00135.html
This is a more complete evolution of the earlier patch. It replaces
most important uses of Str with PCRE throughout the code. It also
extends the bindings with some useful features like case-insensitive
regexps.
The main places I *didn't* touch are the generator (GObject uses Str
extensively); and
2017 Sep 22
27
[PATCH v3 00/22] Replace almost all uses of the Str module with PCRE.
v1:
https://www.redhat.com/archives/libguestfs/2017-September/msg00135.html
v2:
https://www.redhat.com/archives/libguestfs/2017-September/msg00158.html
v3 is almost identical to v2, but I have added 4 extra commits to
almost finish the job of replacing Str everywhere possible (note it's
not possible to replace Str in common/mlstdutils or the generator
because those are pure OCaml).
As
2017 Aug 01
7
[PATCH 0/2] Add lightweight bindings for PCRE.
We'd like to use PCRE instead of the awful Str module. However I
don't necessarily want to pull in the extra dependency of ocaml-pcre,
and in any case ocaml-pcre is rather difficult to use.
This introduces very simplified and lightweight bindings for PCRE.
They work rather like Str in that there is some global state (actually
thread-local in this implementation) between the matching and
2017 Aug 01
6
[PATCH v2 0/3] common: Add a lightweight OCaml binding for PCRE.
v2:
- Change the OCaml code in the daemon to use PCRE instead of Str.
- Call pcre_compile2 so we can capture the error code on failure.
- Extend the test suite.
- Some other cleanups, but very minor.
Rich.