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Full Discussion: script to compare first column of two files and find difference
Top Forums Shell Programming and Scripting script to compare first column of two files and find difference Post 302249763 by adityam on Wednesday 22nd of October 2008 04:31:00 AM
Old 10-22-2008
script to compare first column of two files and find difference
Hi,

I want to write a script which will compare the 1st column of both the files and will give the difference.
e.g:-
my 1st file contains:

89 /usr
52 /usr/local
36 /tmp
92 /opt
96 /home
27 /etc/opt/EMCom
1 /SF_Appl_01
7 /SF_Data_01
1 /tmpiq


my 2nd file contains:
79 /usr
22 /usr/local
26 /tmp
92 /opt
86 /home
17 /etc/opt/EMCom
1 /SF_Appl_01
7 /SF_Data_01
8 /tmpiq
87 /HS_Appl_01
86 /HS_Data_01


Now I want to find the differnce of 1st column of both the files and notify if differnce is more than 10. Please help me on this.
 

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lint

lint(1B)					     SunOS/BSD Compatibility Package Commands						  lint(1B)

NAME

       lint - C program verifier

SYNOPSIS

       /usr/ucb/lint [options]

DESCRIPTION

       /usr/ucb/lint  is  the  interface  to  the  BSD	Compatibility  Package	C  program  verifier.	It  is	a  script  that looks for the link
       /usr/ccs/bin/ucblint to the C program verifier. /usr/ccs/bin/ucblint is available only with the SPROcc package, whose default  location	is
       /opt/SUNWspro.  /usr/ucb/lint  is  identical to /usr/ccs/bin/ucblint, except that BSD headers are used and BSD  libraries are linked before
       base libraries.	The /opt/SUNWspro/man/man1/lint.1 man page is available only with the SPROcc package.

OPTIONS

       /usr/ucb/lint accepts the same options as /usr/ccs/bin/ucblint, with the following exceptions:

       -Idir	       Search dir for included files whose names do not begin with a slash (/) prior  to  searching  the  usual  directories.  The
		       directories for multiple -I options are searched in the order specified. The preprocessor first searches for #include files
		       in the directory containing sourcefile, and then in directories named with -I options (if any), then  /usr/ucbinclude,  and
		       finally, in /usr/include.

       -Ldir	       Add  dir  to  the  list	of  directories  searched  for	libraries  by  /usr/ccs/bin/ucblint.  This  option  is	passed	to
		       /usr/ccs/bin/ld. Directories specified with this option are searched before /usr/ucblib and /usr/lib.

       -Y P, dir       Change the default directory used for finding libraries.

EXIT STATUS

       The following exit values are returned:

       0	       Successful completion.

       >0	       An error occurred.

FILES

       /usr/lint/bin/ld        link editor

       /usr/lib/libc	       C library

       /usr/ucbinclude	       BSD Compatibility directory for header files

       /usr/ucblib	       BSD Compatibility directory for libraries

       /usr/ucblib/libucb      BSD Compatibility C library

       /usr/lib/libsocket      library containing socket routines

       /usr/lib/libnsl	       library containing network functions

       /usr/lib/libelf	       library containing routines to process ELF object files

       /usr/lib/libaio	       library containing asynchronous I/O routines

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWscpu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       ld(1), a.out(4), attributes(5)

SunOS 5.10							    1 Feb 1995								  lint(1B)
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