06-15-2006
gawk HELP
I have to compare records in two files. It can be done using gawk/awk but i am unable to do it. Please help me
File1
ABAAAAAB BC asa sa
ABAAABAA BC bsa sm
ABBBBAAA BC bxz sa
ABAAABAB BC csa sa
ABAAAAAA BC dsa sm
ABBBBAAB BC dxz sa
File 2
ABAAAAAB BC aas ba
ABAAAAAB BC asa sa
ABAAABAA BC ban sm
ABBBBAAA BC bxz sa
ABAAABAB BC csa sa
ABAAAAAA BC dsa sm
ABBBBAAB BC dxz sa
ABBBBAAB BC fxz sa
How should files be compared
1. We should take 3rd and 4th fields(eg asa sa in file 1 line 1) in first file and look for it in second file's third and fourth columns.
2. If 3rd and 4th filed of first file matches with 3rd and 4th field of some record of 2nd file then we need to compare rest of line..like comapring ABAAAAAB BC in file 1 with ABAAAAAB BC in file 2 for asa sa.
3.If there is a mismatch then we need to give the output that mismatch has occured else No Error.
Please help in this regard
-Sandeep
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ASA(1) BSD General Commands Manual ASA(1)
NAME
asa -- interpret carriage-control characters.
SYNOPSIS
asa [file ...]
DESCRIPTION
The asa utility reads files sequentially, mapping FORTRAN carriage-control characters to line-printer control sequences, and writes them to
the standard output.
The first character of each line is interpreted as a carriage-control character. The following characters are interpreted as follows:
<space> Output the rest of the line without change.
0 Output a <newline> character before printing the rest of the line.
1 Output a <formfeed> character before printing the rest of the line.
+ The trailing <newline> of the previous line is replaced by a <carriage-return> before printing the rest of the line.
Lines beginning with characters other than the above are treated as if they begin with <space>.
EXAMPLES
To view a file containing the output of a FORTRAN program:
asa file
To format the output of a FORTRAN program and redirect it to a line-printer.
a.out | asa | lpr
DIAGNOSTICS
The asa utility exit 0 on success, and >0 if an error occurs.
SEE ALSO
f77(1)
STANDARDS
The asa utility conforms to IEEE Std 1003.2-1992 (``POSIX.2'').
AUTHORS
J.T. Conklin, Winning Strategies, Inc.
BSD
September 23, 1993 BSD