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Top Forums UNIX for Dummies Questions & Answers Search a string in the file and then replace another string after that position Post 302529690 by dashing201 on Friday 10th of June 2011 04:34:11 AM
Old 06-10-2011
Search a string in the file and then replace another string after that position

Hi
I am looking for a particular string in a file.If the string exists, then I want to replace another string with some other text.Once replaced, search for the same text after that character position in the file. Smilie

E.g: Actual File content:

Code:
Hello
Name: Nitin Raj
Welcome to Unix World.
This is very helpful
.
.
.
Hello
Name:Dashing
This is nice forum.

Expected File content: Search for Hello and replace next(only one) NAME: With IDENTITY and then again search for Hello

Code:
Hello
IDENTITY: Nitin Raj
Welcome to Unix World.
This is very helpful
.
.
.
Hello
IDENTITY:Dashing
This is nice forum.

Thanks in advance.

Last edited by pludi; 06-10-2011 at 05:53 AM..
 

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XmTextFindString(library call)											    XmTextFindString(library call)

NAME
XmTextFindString -- A Text function that finds the beginning position of a text string SYNOPSIS
#include <Xm/Xm.h> Boolean XmTextFindString( Widget widget, XmTextPosition start, char *string, XmTextDirection direction, XmTextPosition *position); DESCRIPTION
XmTextFindString locates the beginning position of a specified text string. This routine searches forward or backward for the first occur- rence of the string starting from the given start position. If it finds a match, the function returns the position of the first character of the string in position. If the match string begins at the current position, this routine returns the current position. widget Specifies the Text widget ID. start Specifies the character position from which the search proceeds. This is an integer number of characters from the beginning of the text buffer. The first character position is 0 (zero). string Specifies the search string. direction Indicates the search direction. It is relative to the primary direction of the text. The possible values are XmTEXT_FORWARD The search proceeds toward the end of the text buffer. XmTEXT_BACKWARD The search proceeds toward the beginning of the text buffer. position Specifies the pointer in which the first character position of the string match is returned. This is an integer number of charac- ters from the beginning of the buffer. The first character position is 0 (zero). If the function returns False, this value is undefined. For a complete definition of Text and its associated resources, see XmText(3). RETURN
Returns True if a string match is found; otherwise, returns False. RELATED
XmText(3) and XmTextFindStringWcs(3). XmTextFindString(library call)
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