Here is some J code that should give you the list of LOG files in the directory tree. ; (<empty'') -.~ (1 dir ,&'/LOG') each dirpath 'jsource'
Next step to unzip. On Windows I'd imagine that 7z should handle gzip OK. On Fri, Nov 4, 2011 at 2:37 PM, Skip Cave <[email protected]> wrote: > I was assuming I would do the job in J, but a comparison between the J > approach and a shell script or other scheme, would be enlightening. My > files and the 6.02 J interpreter are on a Win7 64-bit machine with 4 gig of > ram. > > Skip > > On Thu, Nov 3, 2011 at 8:05 PM, Eric Iverson <[email protected]>wrote: > >> If done in J it would be done essentially identically on all platforms. The >> only little bit of host dependency would be calling unzip and I'm sure >> forum members could help make that easy. >> >> On Thu, Nov 3, 2011 at 9:01 PM, Joey K Tuttle <[email protected]> wrote: >> >> > On 2011/11/03 17:50 , Skip Cave wrote: >> > > I have several thousand files which are distributed into about a >> thousand >> > > folders. All of the folders are contained in one directory on my >> machine. >> > > Each of the thousand folders contains 1-10 files. All of the files in >> > each >> > > folder have been compressed using the gzip program. I need to sequence >> > > through all of the folders, find the file in each folder labeled "LOG" >> > > (there will be only one in each folder, with no extension), and expand >> > it. >> > > I then need to examine the expanded LOG file (ASCII text file) and >> search >> > > the LOG file for a specific unique text string that will be the same in >> > all >> > > the LOG files. I need to extract the string of a few hundred characters >> > > that *follows* the initial matched string in the LOG file. That second >> > > string will be terminated by another (different& third) unique text >> > string >> > > which will also be the same in all LOG files. I want to place all of >> the >> > > extracted strings into a single boxed array using a single J function. >> > > >> > > How hard is it to do this in J? Can someone give me a start in the >> right >> > > direction, perhaps with some example code? I currently only have J 6.02 >> > on >> > > my machine. >> > > >> > What environment? If Linux or OSX, it's my kind of thing (seems quite >> > reasonable, and I could have a go at providing example code) - but I >> > have no knowledge of how to approach it in Windows.... >> > >> > - joey >> > >> > ---------------------------------------------------------------------- >> > For information about J forums see http://www.jsoftware.com/forums.htm >> > >> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm >> > > > > -- > Skip Cave > Cave Consulting LLC > Phone: 214-460-4861 > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
