12-21-2012
Hi Sathyaonunix
Dear sathyaonunix,
Consider that the pattern that you have changed are different ie., say
XXX1
XXX2
XXX3
and these might be the contents of a file say file2.txt
now can you please help me to replace the pattern Sathya in file1 with the three patterns of file2.txt.
And what if the contents of file1 that contains
nl file 1 Sathya 2 Sathya 3 Sathya 4 Sathya 5 SAthya 6 Narayanan 7 Narayanan 8 Sathya 9 Sathya 10 Narayanan might not have a key and might be arranged in a singel line like this,
sathya sathya sathya sathya sathya Narayanan Narayanan Sathya sathya Narayanan
Please suggest me how to replace if we encounter such a problem,
Thanks,
Kashyap.
Thanks,
Kashyap.
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merge(1) merge(1)
NAME
merge - three-way file merge
SYNOPSIS
merge [-Llabel1 [-Llabel3]] [-p] [-q] file1 file2 file3
DESCRIPTION
merge incorporates all changes that lead from file2 to file3 into file1. The result goes to standard output if -p is present, into file1
otherwise. merge is useful for combining separate changes to an original. Suppose file2 is the original, and both file1 and file3 are
modifications of file2. Then merge combines both changes.
An overlap occurs if both file1 and file3 have changes in a common segment of lines. On a few older hosts where diff3 does not support the
-E option, merge does not detect overlaps, and merely supplies the changed lines from file3. On most hosts, if overlaps occur, merge out-
puts a message (unless the -q option is given), and includes both alternatives in the result. The alternatives are delimited as follows:
<<<<<<< file1 lines in file1 ======= lines in file3 >>>>>>> file3
If there are overlaps, the user should edit the result and delete one of the alternatives. If the -L label1 and -L label3 options are
given, the labels are output in place of the names file1 and file3 in overlap reports.
DIAGNOSTICS
Exit status is 0 for no overlaps, 1 for some overlaps, 2 for trouble.
IDENTIFICATION
Author: Walter F. Tichy.
Revision Number: 1.1.6.2; Release Date: 1993/10/07.
Copyright (C) 1982, 1988, 1989 by Walter F. Tichy.
Copyright (C) 1990, 1991 by Paul Eggert.
SEE ALSO
diff3(1), diff(1), rcsmerge(1), co(1)
merge(1)