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Script to diff 2 Editions ?

nipper

OK, so I am putting together a script (TS 6.5 on DOS) to recursively go through 2 Editions, show files and diffs.

Just looking for ideas. I would like to jsut download gnu diff (which can run recursivly) but they frown on download SW here (perl mods as well). So I am stuck with standard TS.

My thought is read all files from Ed1 into a hash. Read Ed 2. Compare to has and determine, new files, and deleted files (easy) and then modified files.

The question is what is the best way to get a diff of 2 files ? Is there a standard PM ? I was going to play with iwmerge.ipl and see if that will provide any insight. Other ideas ?

Andy

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Dwayne

Well, I'm not sure about how to show the differences visually, but, rather than walk the two editions manually, have you considered using iwcmp? It should show you all the files that changed between the editions, including files which only had their metadata changed, which your method would not have detected.

nipper

Good point, that will get me a list easier. I was hoping there was a iwdiff CLT but no such luck.

Adam Stoller

OK, so I am putting together a script (TS 6.5 on DOS) to recursively go through 2 Editions, show files and diffs.

Just looking for ideas. I would like to jsut download gnu diff (which can run recursivly) but they frown on download SW here (perl mods as well). So I am stuck with standard TS.

My thought is read all files from Ed1 into a hash. Read Ed 2. Compare to has and determine, new files, and deleted files (easy) and then modified files.

The question is what is the best way to get a diff of 2 files ? Is there a standard PM ? I was going to play with iwmerge.ipl and see if that will provide any insight. Other ideas ?

Andy

You can get a quick list of files that have changed using iwcmp

If you're on Unix - the OOTB diff utility should support the -r flag for recursive processing. If you're on Windows I'm not sure if any such OOTB tool exists (I thought TS used to ship with gnu diff packaged as iwdiff but if I recall correctly, the last time I looked it wasn't there).

From the GUI though - you can go into the list of editions, select any two and then click on Compare (upper-right-hand-corner) - and then on any of the pages which are displayed you can click on the icon in the middle and bring up TS's visual file comparison tool - make sure you click on the Source tab - and then have at it.

Frederik

If you're on Unix - the OOTB diff utility should support the -r flag for recursive processing. [...] (I thought TS used to ship with gnu diff packaged as iwdiff but if I recall correctly, the last time I looked it wasn't there).

Hey, nice to learn something new, or be reminded of things we keep forgetting! :-)

the OOTB Solaris 9 diff does do -r, but I sometimes I forget that... I think it is because -r is not supported by grep on this OS, while I was used to having that under some linux version.

iwdiff is still there, at least under 6.5.0 sp2 on Solaris, but is not mentioned in the doc ts.650a.clt.unix.pdf

I also found iwdiffdir in the manual now, very similar to iwcmp, and I guess not runnable on editions.

-F.

Adam Stoller

iwdiff is still there, at least under 6.5.0 sp2 on Solaris, but is not mentioned in the doc ts.650a.clt.unix.pdf

I also found iwdiffdir in the manual now, very similar to iwcmp, and I guess not runnable on editions.

I guess I should have been more explicit - yes, iwdiff is still there on Solaris installations - but I thought it used to exist in Windows installations too, and that's where I don't think I've seen it the last time I looked.

iwdiffdir will run on editions without any problems - but I don't think it provides the kind of output that was being looked for.