Grabbing value from file and run command in `` Post: 302886348

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Top Forums Shell Programming and Scripting Grabbing value from file and run command in `` Post 302886348 by sea on Thursday 30th of January 2014 09:21:33 PM

01-30-2014

Registered User

Using `` is 'old', use $() instead.

Your for loop copies the file you cat'ed output of 'file', defines the variable file by greping file (which you already cat'ed), and then copy file (which you cat'ed) as many times as entries are found in file (which you cat'ed) to test, overwrite 'test' as many times as entries were found.

Then you execute 3 files..
1) the file you cat'ed
2) and /tmp/[unix)$(date +y)log

Code:

for ENTRY in $(cat /some/file)
do
    workfile=$(grep -i key $ENTRY)
    cp ${workfile} test.$ENTRY
done

Assuming /some/file holds a list of diffrent files....
Now it sets the variable workfile to the content of the result of grep'ing key out of $ENTRY, and then copies the $workfile to the current path test.$ENTRY, where $ENTRY is the filename (if the (some/file contains other filenames/paths) of the file you grep'ed ALL lines containing the word 'key' in it.
At least it doesnt overwrite the file 'test' a dozen times anymore...

Can you elaborate a bit more of what you'd like to achieve?
For example with the logfiles and by the call of the 'file'?

EDIT:
Been late, of course, if test is a directory, all files are copied there.

Last edited by sea; 01-31-2014 at 01:20 AM..

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xpacode

xpacode(7)							SAORD Documentation							xpacode(7)

NAME

       XPACode -  Where to Find Example/Test Code

SYNOPSIS

       The XPA source code directory contains two test programs, stest.c, and ctest.c that can serve as examples for writing XPA servers and
       clients, respectively.  They also can be used to test various features of XPA.

DESCRIPTION

       To build the XPA test programs, execute:

	  make All

       in the XPA source directory to generate the stest and ctest programs.  (NB: this should work on all platforms, although we have had prob-
       lems with unresolved externals on one Sun/Solaris machine, for reasons still unknown.)

       The stest program can be executed with no arguments to start an XPA server that contains the access points: xpa, xpa1, c_xpa (containing
       sub-commands cmd1 and cmd2), and i_xpa.	You then can use xpaset and xpaget to interact with these access points:

	 cat xpa.c | xpaset xpa      # send to xpa
	 cat xpa.c | xpaset "xpa*"   # send to xpa and xpa1
	 xpaget xpa		     # receive from xpa
	 xpaget xpa*		     # receive from xpa and xpa1

       etc. You also can use ctest to do the same thing, or to iterate:

	 ctest -s -l 100 xpa	    # send to xpa 100 times
	 ctest -s -l 100 "xpa*"     # send to xpa and xpa1 100 times
	 ctest -g -l 100 xpa	    # receive from xpa 100 times
	 ctest -g -l 100 "xpa*"     # receive from xpa and xpa1 100 times

       More options are available: see the stest.c and ctest.c code itself, which were used extensively to debug XPA.

       The file test.tcl in the XPA source directory gives examples for using the XPATclInterface.

SEE ALSO

       See xpa(7) for a list of XPA help pages

version 2.1.14							   June 7, 2012 							xpacode(7)