07-07-2011
search pattern and replace x-y characters in nth line after every match
Hi,
I am looking for any script which can do the following.
have to read a pattern from fileA and copy it to fileB.
fileA:
...
...
Header
...
...
..p1
...
...
fileB:
....
....
Header
...
...
..p2
....
...
The position of "p1" is fixed relative to "Header"
say x th charecter in nth line after Header.
"p1" size is also fixed 5 chars if it helps.
p2 is location and size are same as p1
i have to read "p1" from fileA and replace "p2" in fileB with "p1"
How can we do this ??
Thanks in advance.
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IDENT(1) General Commands Manual IDENT(1)
NAME
ident - identify files
SYNOPSIS
ident file ...
DESCRIPTION
Ident searches the named files for all occurrences of the pattern $keyword:...$, where keyword is one of
Author
Date
Header
Locker
Log
Revision
Source
State
These patterns are normally inserted automatically by the RCS command co (1), but can also be inserted manually.
Ident works on text files as well as object files. For example, if the C program in file f.c contains
char rcsid[] = "$Header: Header information $";
and f.c is compiled into f.o, then the command
ident f.c f.o
will print
f.c:
$Header: Header information $
f.o:
$Header: Header information $
IDENTIFICATION
Author: Walter F. Tichy, Purdue University, West Lafayette, IN, 47907.
Revision Number: 3.0 ; Release Date: 82/12/04 .
Copyright (C) 1982 by Walter F. Tichy.
SEE ALSO
ci (1), co (1), rcs (1), rcsdiff(1), rcsintro (1), rcsmerge (1), rlog (1), rcsfile (5).
Walter F. Tichy, "Design, Implementation, and Evaluation of a Revision Control System," in Proceedings of the 6th International Conference
on Software Engineering, IEEE, Tokyo, Sept. 1982.
BUGS
Purdue University 6/29/83 IDENT(1)