08-23-2010
Replace based on an exact position
Trying to use sed - but having no luck.
I have a text file - I want to replace whatever character is in position 106, 157 and 237 w/ the string "xxx". Want this change for all lines w/in that text file.
I'm open to using awk or whatever command would be best for replacing characters based on the exact position. Seems like sed can do a lot, but for whatever reason, have had no luck figuring out how to replace on just position alone.
Thanks much!
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LEARN ABOUT CENTOS
xmtextsetsource
XmTextSetSource(library call) XmTextSetSource(library call)
NAME
XmTextSetSource -- A Text function that sets the source of the widget
SYNOPSIS
#include <Xm/Text.h>
void XmTextSetSource(
Widget widget,
XmTextSource source,
XmTextPosition top_character,
XmTextPosition cursor_position);
DESCRIPTION
XmTextSetSource sets the source of the Text widget. Text widgets can share sources of text so that editing in one widget is reflected in
another. This function sets the source of one widget so that it can share the source of another widget.
Setting a new text source destroys the old text source if no other Text widgets are using that source. To replace a text source but keep
it for later use, create an unmanaged Text widget and set its source to the text source you want to keep.
widget Specifies the Text widget ID.
source Specifies the source with which the widget displays text. This can be a value returned by the XmTextGetSource(3) function. If no
source is specified, the widget creates a default string source.
top_character
Specifies the position in the text to display at the top of the widget. This is an integer number of characters from the begin-
ning of the text buffer. The first character position is 0 (zero).
cursor_position
Specifies the position in the text at which the insert cursor is located. This is an integer number of characters from the begin-
ning of the text buffer. The first character position is 0 (zero).
For a complete definition of Text and its associated resources, see XmText(3).
RELATED
XmText(3).
XmTextSetSource(library call)