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Shell Programming and Scripting
How to find a certain string in a file and replace it with a value from another file using sed/awk?
Post 302481044 by paramad on Thursday 16th of December 2010 12:59:57 PM
12-16-2010
Guys thanx for replying!!
But will these solve my problem? since where exactly are we searching the string 'OUT' here? I actually have similar other strings to search and replace with other values from other files.. actually this is the case:
file 1:
(define argc :: int)
(assert (> argc 1))
(assert (= argc ARG))
<check>
(define argc :: float)
(assert (> c 0))
(assert (= c OUT))
<check>
.
.
.
file2:
main 1
file 3:
main 0
.
.
.
Now, I have to find the string 'ARG' from file 1 and replace it with the value '1' from file 2. And, find 'OUT' and replace it with the value '0' from file 3.
Now can you put some more light on it?
But will these solve my problem? since where exactly are we searching the string 'OUT' here? I actually have similar other strings to search and replace with other values from other files.. actually this is the case:
file 1:
(define argc :: int)
(assert (> argc 1))
(assert (= argc ARG))
<check>
(define argc :: float)
(assert (> c 0))
(assert (= c OUT))
<check>
.
.
.
file2:
main 1
file 3:
main 0
.
.
.
Now, I have to find the string 'ARG' from file 1 and replace it with the value '1' from file 2. And, find 'OUT' and replace it with the value '0' from file 3.
Now can you put some more light on it?
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LEARN ABOUT OPENSOLARIS
assert
assert(3C) Standard C Library Functions assert(3C) NAME
assert - verify program assertion SYNOPSIS
#include <assert.h> void assert(int expression); DESCRIPTION
The assert() macro inserts diagnostics into applications. When executed, if expression is FALSE (zero), assert() prints the error message Assertion failed: expression, file xyz, line nnn on the standard error output and aborts. In the error message, xyz is the name of the source file and nnn the source line number of the assert() statement. These are respectively the values of the preprocessor macros __FILE__ and __LINE__. Since assert() is implemented as a macro, the expression may not contain any string literals. Compiling with the preprocessor option -DNDEBUG (see cc(1B)), or with the preprocessor control statement #define NDEBUG ahead of the #include <assert.h> statement, will stop assertions from being compiled into the program. Messages printed from this function are in the native language specified by the LC_MESSAGES locale category. See setlocale(3C). ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ |MT-Level |Safe | +-----------------------------+-----------------------------+ SEE ALSO
cc(1B), abort(3C), gettext(3C), setlocale(3C), attributes(5), standards(5) SunOS 5.11 30 Mar 2005 assert(3C)