05-18-2008
A 25k long search string? Is your text so similar that you need to search 25000 characters to be sure of a match. Assuming the regex engine can even deal with that, the search efficiency is going to be pretty poor.
Or do you mean 25000 different strings? That has problems as well.
I think, rather than you tell us how you think it should be done, give us the problem you are trying to solve - in detail. This whole thing sounds wrong from the start, as I read it.
There are a lot of other tools out there like comm for example.
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LEARN ABOUT CENTOS
xmtextfindstringwcs
XmTextFindStringWcs(library call) XmTextFindStringWcs(library call)
NAME
XmTextFindStringWcs -- A Text function that finds the beginning position of a wide character text string
SYNOPSIS
#include <Xm/Text.h>
Boolean XmTextFindStringWcs(
Widget widget,
XmTextPosition start,
wchar_t *wcstring,
XmTextDirection direction,
XmTextPosition *position);
DESCRIPTION
XmTextFindStringWcs locates the beginning position of a specified wide character text string. This routine searches forward or backward for
the first occurrence of the string, starting from the given start position. If a match is found, 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).
wcstring Specifies the wide character 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 buffer.
XmTEXT_BACKWARD
The search proceeds toward the beginning of the buffer.
position Specifies the pointer in which the first character position of the string match is returned. This is an integer number of char-
acters 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 XmTextFindString(3).
XmTextFindStringWcs(library call)