Right, your code gives me the number of the entries in the STAFResult. But I
also want to retrieve the list of the file names, which is a marshalled
STAFResult, I guess.
Thanks,
Cindy
From: Sharon Lucas [mailto:luc...@us.ibm.com]
Sent: April-19-11 10:50 AM
To: Cindy Zhu
Cc: staf-users@lists.sourceforge.net
Subject: RE: [staf-users] STAXResult
Why are you trying to marshall the STAFResult? I have do idea why you are
doing this. I gave you an example of how to get the number of entries in the
STAFResult (which it is a list).
<script>dir = '%s\Silk\Apps\TestResults' % (tempfolder)
<stafcmd name="'List all .txt files'">
<location>'local'</location>
<service>'FS'</services>
<request>'LIST DIRECTORY %s EXT txt TYPE F' % (dir)</request>
</stafcmd>
<if expr="RC == 0">
<log message="1">'Directory %s contains %s files with extension .txt' % (dir,
len(STAFResult)</log>
</if>
--------------------------------------------------------------
Sharon Lucas
IBM Austin, luc...@us.ibm.com
(512) 286-7313 or Tieline 363-7313
From: Cindy Zhu <c...@fekete.com>
To: Sharon Lucas/Austin/IBM@IBMUS
Cc: "staf-users@lists.sourceforge.net" <staf-users@lists.sourceforge.net>
Date: 04/19/2011 11:45 AM
Subject: RE: [staf-users] STAXResult
________________________________
Thank you very much. You mentioned this:
* STAFResult - the result from the STAF command. It can be a string, or, if
the result is marshalled, it is the root object of the marshalled result which
could be a Python List or a Python Dictionary (aka Map).
No too much documentation mentioned how to marshall STAFResult. Is the
following code correct?
<stafcmd name="'Get result files ">
<location>'local'</location>
<service>'FS'</service>
<request>'LIST DIRECTORY "D:\Silk\Apps\Harmony\TestResults" EXT
txt'</request>
</stafcmd>
<if expr="RC==0">
<script>
from PySTAF import *
import re
result=STAFResult
len=[len(STAFResult))
mr=marshall(STAFResult)
...........
</script>
</if>
Do I need to "from PySTAF import *" to import the module to marshall
STAFResult? I also got "NameError: marshall" when I ran the code?
Can you please help?
Thanks,
Cindy
From: Sharon Lucas [mailto:luc...@us.ibm.com]
Sent: April-19-11 9:26 AM
To: Cindy Zhu
Cc: staf-users@lists.sourceforge.net
Subject: Re: [staf-users] STAXResult
The <stafcmd> element does not set a Python variable named STAXResult. The
section titled "stafcmd: Run a STAF Command" in the STAX User's Guide at
http://staf.sourceforge.net/current/STAX/staxug.html#Header_Stafcmd describes
the Python variables that are set by the <stafcmd> element. It says:
After the STAF command has completed, the following variables are set and can
be referenced by the job:
* RC - the return code from the STAF command. It is an integer.
* STAFResult - the result from the STAF command. It can be a string, or, if
the result is marshalled, it is the root object of the marshalled result which
could be a Python List or a Python Dictionary (aka Map).
* STAFResultContext - the STAF marshalling context object for the result
from the STAF command. It is an object of type org.python.core.PyInstance. The
STAFMarshallingContext class provides a container for map class definitions and
an object that uses (or is defined in terms of) them. Its string representation
is equivalent to the "verbose format" (the hierarchical nested format) provided
by the STAF executable.
* STAFResultString - The result string from the STAF command. It is a
string. If the result is marshalled, it is the marshalled result string. Note:
This variable would only be used if you needed the actual result string from a
STAF command, such as if submitting a GET FILE request to the FS service when
the specified file contains marshalled data and you want the actual contents of
the file.
The FS service's LIST DIRECTORY request returns a list (as described in
sub-section "Results" in section "8.4.9 LIST DIRECTORY" in the STAF User's
Guide at http://staf.sourceforge.net/current/STAFUG.htm#HDRFSSRV). It says the
result of a FS LIST DIRECTORY request (if neither the LONG nor the SUMMARY
option is specified) "will contain a marshalled <List> of <String> representing
the names of the matching entries in the specified directory".
So,, STAFResult will contain a Python List of strings containing the file
names. A Python List provides many functions such as the len() function that
you can use to get the number of items in the list.. e.g. len(STAFResult)
Iterating the list is not required. Note that you can google for "Python List
size" and find many hits for documentation such as "An Introduction to Python
Lists" at http://effbot.org/zone/python-list.htm that describes the Python
Lists and talks about the len(List) function that returns the number of items
in a Python list.
<script>dir = '%s\Silk\Apps\TestResults' % (tempfolder)
<stafcmd name="'List all .txt files'">
<location>'local'</location>
<service>'FS'</services>
<request>'LIST DIRECTORY %s EXT txt TYPE F' % (dir)</request>
</stafcmd>
<if expr="RC == 0">
<log message="1">'Directory %s contains %s files with extension .txt' % (dir,
len(STAFResult)</log>
</if>
Note that the FS service's LIST DIRECTORY request provides a SUMMARY option to
provide only a summary of the selected contents of a directory, including its
total size in bytes, number of files, and number of subdirectories. The
previously mentioned section in the STAF User's Guide says:
"If the SUMMARY option is specified, the result buffer will contain a
marshalled <Map:STAF/Service/FS/ListSummaryInfo> representing summarized
information about the matching entries in the directory including total size,
number of files, and number of subdirectories." It then defines the map with
the field names that are provided such as numFiles and numDirectories..
So, as another option, if you didn't need a list of the file names that met
your list criteria, just the number of files, then you could use <stafcmd> to
submit request "LIST DIRECTORY dirName EXT TXT SUMMARY' request as folllows:
<script>dir = '%s\Silk\Apps\TestResults' % (tempfolder)
<stafcmd name="'List all .txt files'">
<location>'local'</location>
<service>'FS'</services>
<request>'LIST DIRECTORY %s EXT txt SUMMARY' % (dir)</request>
</stafcmd>
<if expr="RC == 0">
<log message="1">'Directory %s contains %s files with extension .txt' % (dir,
STAFResult['numFiles'])</log>
</if>
I hope that helps you see how easy it is to do (and where to find
documentation).
--------------------------------------------------------------
Sharon Lucas
IBM Austin, luc...@us.ibm.com
(512) 286-7313 or Tieline 363-7313
From: Cindy Zhu <c...@fekete.com>
To: "staf-users@lists.sourceforge.net" <staf-users@lists.sourceforge.net>
Date: 04/18/2011 04:53 PM
Subject: [staf-users] STAXResult
________________________________
Hi,
I have the following STAX job to list .txt files in a folder:
<stafcmd name="'List all .txt files">
<location>'local'</location>
<service>'FS'</services>
<request>'LIST DIRECTORY
%s\Silk\Apps\TestResults EXT txt' % tempfolder</request>
</stafcmd>
Is there a function in STAXResult to return the how many files are listed
without iterate the STAX result? or where I can get the documentation about the
available functions for STAXResult
Thanks,
Cindy
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