Re: Compare showing sequence number differences - offtopic

It is interesting that the find/replace help text for the "text editor" used by default with Java (and by selection with iProjects) has a help page that lists the $1, $2, $3, etc. capturing group replacement fields. The \R expression is useful with the text editor, but still can't be used for find or replace in the RDP LPEX editor.

I have raised an RFE to have RDP's LPEX editor's find/replace regular expressions and the corresponding help text aligned. Hopefully (with enough votes) they will increase the functionality of the LPEX editor's regular expressions, but accurate help pages might be just as useful.
https://www.ibm.com/developerworks/rfe/execute?use_case=viewRfe&CR_ID=20228


Please vote.


-Paul



-----Original Message-----
From: wdsci-l-bounces@xxxxxxxxxxxx [mailto:wdsci-l-bounces@xxxxxxxxxxxx] On Behalf Of Tyler, Matt
Sent: 14 March 2012 21:35
To: Rational Developer for IBM i / Websphere Development Studio Client for System i & iSeries
Subject: Re: [WDSCI-L] Compare showing sequence number differences - offtopic

I just tried and no, since LPEX will not search over the prefix area.
It just modified the source line like below

// MOD# PCR# PGMR DATE DESCRIPTIONR// MOD# PCR# PGMR
DATE DESCRIPTIONR


The help is the java.util.regex Class Pattern help. Seems that there
is not enough standardization in REGEX.


Thanks, Matt
-----Original Message-----
From: wdsci-l-bounces@xxxxxxxxxxxx [mailto:wdsci-l-bounces@xxxxxxxxxxxx]
On Behalf Of Vern Hamberg
Sent: Wednesday, March 14, 2012 2:25 PM
To: Rational Developer for IBM i / Websphere Development Studio Client forSystem i & iSeries
Subject: Re: [WDSCI-L] Compare showing sequence number differences - offtopic

This is nice - however, I don't use iProjects - does this also work in the LPEX editor? When I do a search/replace and specify to use regular expressions? I'm asking cuz I can't take the time just now to try it.

Thanks
Vern

On 3/14/2012 3:05 PM, Tyler, Matt wrote:

Open a member from the iProjects using the "Text Editor", in find
capture whatever you want and replace with whatever you want BUT put

\R

for each new line replaced / added.

Example:
Before:
001000000000 // MOD# PCR# PGMR DATE DESCRIPTION

Find / Replace:
(00100)(0)(000000 // MOD# PCR# PGMR DATE DESCRIPTION)
$1$2$3\R$19$3\R

After:
001000000000 // MOD# PCR# PGMR DATE DESCRIPTION
001009000000 // MOD# PCR# PGMR DATE DESCRIPTION


Thanks, Matt

-----Original Message-----
From: wdsci-l-bounces@xxxxxxxxxxxx

[mailto:wdsci-l-bounces@xxxxxxxxxxxx]

On Behalf Of Vern Hamberg
Sent: Wednesday, March 14, 2012 1:43 PM
To: Rational Developer for IBM i / Websphere Development Studio Client
forSystem i& iSeries
Subject: Re: [WDSCI-L] Compare showing sequence number differences -
offtopic

Nice, Paul - I'm glad to be corrected - maybe it's always been there,
but the help was not helpful, as I recall.

I realized I should've explained the backslash quoting the TextPad

uses

- next time, eh?

I'll definitely take a look again - and I hope there's a special code
for newline and all that.

Thanks
Vern

On 3/14/2012 8:47 AM, Paul Bailey wrote:

The \1 capturing group replacement stumped me at first, until I

realised it was $1 not \1 for the first replacement, $2 for the

second,

etc. I'm not sure when this appeared, I can't see it documented
anywhere, and I can't remember where I saw it first, but it works.
Google says it has been mentioned before on WDSCI-L back in 2006:
http://archive.midrange.com/wdsci-l/200605/msg00295.html

Some flavours of regular expression differ in minor ways, I guess.

The

RDP help pages take you to the java.util.regex.Pattern javadoc for
regular expression help, but the capturing group replacement values
aren't right, so maybe there are other minor differences. (Such as the
inability to use \n as a replacement value.) I wonder if these are

bugs

or misleading/erroneous documentation.

-Paul.



-----Original Message-----
From: wdsci-l-bounces@xxxxxxxxxxxx

[mailto:wdsci-l-bounces@xxxxxxxxxxxx] On Behalf Of Vern Hamberg

Sent: 14 March 2012 12:43
To: Rational Developer for IBM i / Websphere Development Studio

Client

for System i& iSeries

Subject: Re: [WDSCI-L] Compare showing sequence number differences

Hi Paul

I've found that things like \1 for preserving found text are not

available in replacement strings - that's the main thing - searching

is

pretty good, replacing is lacking.

Now maybe there's more in 8.03 - I've not explored that - have they

improved the support?

I'm in the LPEX editor - it seems that maybe the Eclipse editor is

better, but I've never used that for RPG or CL source.

I'll reply privately on the RTC stuff, at least for now. No biggie.

Vern

On 3/14/2012 7:20 AM, Paul Bailey wrote:

The regex features in RDP are reasonably good. What kind of regex

statement requires you to move source outside of RDP? I can't work out
inserting newlines, but everything else seems to work as you'd expect.

Incidentally, you mentioned moving to Rational Team Concert in one

of

your recent posts. I'd be very interested to hear about your

experiences

with installing and using RTC with RDP (and iProjects) as we are also
considering it but the move to iProjects is putting me off researching
too much further. Do you have a blog or something to write that kind

of

report up on?

-Paul


-----Original Message-----
From: wdsci-l-bounces@xxxxxxxxxxxx
[mailto:wdsci-l-bounces@xxxxxxxxxxxx] On Behalf Of Vern Hamberg
Sent: 14 March 2012 11:42
To: Rational Developer for IBM i / Websphere Development Studio

Client

for System i& iSeries
Subject: Re: [WDSCI-L] Compare showing sequence number differences

:-) I hear you - the eclipse compare is very nice for regular

text

files, although I still use TextPad for that - I have not seen a

side-by-side compare in Textpad, but it does show diffs. I'm sure

things

like Notepad II or whatever the name are similar.

Trouble with comparing source -without SourceLanding's tool - is

just

what was described here - source dates are involved. This uses the
Eclipse compare, I believe.

Now there is another compare tool - it is under the Edit menu - I

just went looking, because I thought it was there. I think it's like

the

old CODE compare tool - it might be the LPEX editor tool - the one

that

the setting to ignore sequence numbers might relate to.

The latter tool is not accessible from a right-click on the member

name, so far as I can see - I had to go to the Edit menu - there may

be

a shortcut, I don't know after a quick look-see.

But take a look at this one - it shows the changes intermingled in

pink (red)and yellow highlighting.

BTW, I use Textpad for Search/Replace - I copy a block of source

there, then use the really powerful regex functionality there, then

copy

the block back in to the LPEX editor.

HTH
Vern

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