One way would be to try this:

shell&.> zipth, each lp
--
David Mitchell

On 11/9/2011 17:37, Skip Cave wrote:
> OK, I have figured out how to get a list of each of the paths to each of
> the log.gz files in my directory tree.
>
>     lp =: (>  1 }. 1 dirpath 'c:\test4') ,"1 '/log.gz'
>     lp
> c:\test4\00-00-36-vx1prn123-7b42060a_00000d48_4eab4224_0060_0000/log.gz
> c:\test4\00-02-36-vx1prn123-7b42060a_00000d48_4eab429c_0061_0000/log.gz
> c:\test4\00-02-45-vx1prn123-7b42060a_00000d48_4eab42a5_0062_0000/log.gz
> c:\test4\00-05-24-vx1prn123-7b42060a_00000d48_4eab4344_0063_0000/log.gz
> c:\test4\00-08-24-vx1prn123-7b42060a_00000d48_4eab43f8_0064_0000/log.gz
> c:\test4\00-09-39-vx1prn123-7b42060a_00000d48_4eab4443_0065_0000/log.gz
> c:\test4\00-36-16-vx1prn123-7b42060a_00001cd4_4eab4a7f_0001_0000/log.gz
> c:\test4\00-36-31-vx1prn123-7b42060a_00001cd4_4eab4a8f_0002_0002/log.gz
> c:\test4\00-39-28-vx1prn123-7b42060a_00001cd4_4eab4b40_0003_0000/log.gz
> c:\test4\00-40-53-vx1prn123-7b42060a_00001cd4_4eab4b95_0004_0002/log.gz
>
> I know this is a bit of a brute force approach, but it ets the job done.
> Since I know that there is one log.gz file in each subdirectory, I can
> append the '/log.gz' string on the end of each directory path, to complete
> the full path. I assume that there is some 'findfiles' utility that can do
> the same job more elegantly without jamming strings together, but I haven't
> found it as yet.
>
> Now that I have the list of file paths, I need to open each file and
> operate on it.
>
> I have predefined two path nouns:
>
>     zipth
> "c:\Gzip\gzip.exe -d -c"
>     filepth
> c:\test3\log.gz
>
> So, I can pull out a file and unzip it, given the file path:
>
>   $  shell zipth, filepth
> 237567
>
> But that is just one log.gz file unzipped into a text array. Now I need to
> iterate through all of the list of log file paths I extracted above, and
> create an array of boxed text strings, one boxed string per expanded log.gz
> file. "lp" contains the list of files, one path per row.
>
>   $  shell zipth, lp
> |rank error: uucp
> |   r=.CreateProcessF 0;(    uucp y);0;0;inh;f;0;0;si;pi
>
> That won't work.
>
>   $  shell zipth, each lp
> |length error
> |   $shell zipth    ,each lp
>
> Nope.
>
> How can you make the shell command iterate through the list of files, to
> unzip each log.gz file and put each unzipped text string in a new boxed
> array?
>
> Skip
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