09-12-2008
shell script to process file line by line
Hi ,
I am new to shell scripting (ksh shell) and trying to accomplish few requiremtns.
I have a file with the following format
EMP NO EMP NAME AGE Amt Paid
12 Mark Taylor 32 32333
14 James Brown Smith 23 23232
12 Mark Taylor 32 42333
13 Lary King 56 154545
15 Stevert Clark 34 34434
14 James Smith 23 23232
The script should be able to process the lines , find the lines which are similar excepting the amt paid and merge the similar lines and add the amt paid.
The expected result after running the script should look like this
12 Mark Taylor 32 47666
14 James Brown Smith 23 46464
13 Lary King II 56 154545
15 Stevert Clark 34 34434
As you can see the employee 12 and 14 got updated amt and the redundent lines removed.
Please guide onthe same.
Thanks,
RS.
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AMT(8) BSD System Manager's Manual AMT(8)
NAME
amt -- Abstract Machine Test Utility
SYNOPSIS
amt [-m] [-p] [-q] [-s]
DESCRIPTION
The amt utility is used to verify that the low level functions necessary to enforce requirements of the Controlled Access Protection Profile
(CAPP) are working correctly.
The amt utility must be executed with sufficient privileges and performs the following tests:
Memory Read and Write
This test allocates between 5% to 10% of physical memory and writes data to it, then reads the memory back to ensure the values writ-
ten remain unchanged.
Memory Separation and Protection
This test ensures that user space programs cannot read and write to areas of memory that is protected or is not shared.
Privileged Instructions
This test ensures that the enforcement of the property that privileged instructions should only be in supervisor mode is still in
effect. The set of privileged instructions tested to confirm this is architecture dependent.
The options are as follows:
-m Skip the memory test.
-p Skip the privileged instructions test.
-q Suppress the screen output.
-s Skip the memory separation and protection test.
EXIT CODES
<0 An error occured in executing the tests.
=0 All the tests passed.
>0 The number of tests that failed or were skipped.
NOTES
The overall result (pass or fail) is logged in the audit trail and system log. The auditd(8) daemon must already be running for the results
to be stored in the audit trail file.
One of the above test may be skipped without getting a negative result. A test is skipped either with one of the above command-line options
or automatically if there is not a test compatiable with the Target Of Evaluation (TOE). The audit administrator may want to perform the mem-
ory test only on startup since it can have large negative impact on the system performance.
SEE ALSO
audit(2) auditd(8) syslog(3) syslogd(8)
BSD
August 14, 2008 BSD