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Full Discussion: need to read 3° character from a text file
Top Forums UNIX for Dummies Questions & Answers need to read 3° character from a text file Post 78832 by vgersh99 on Friday 22nd of July 2005 08:38:34 AM
Old 07-22-2005
Quote:
Originally Posted by vgersh99
echo 12345 | sed 's/^.\{3\}\(.\).*/\1/'
Code:
^        - from the beginning of the line
.\{3\}  - any 3 characters
\(.\)    - capture one character [the 4-th chars from the beginning]
.*       - any number of characters

\1       - print the first 'capture'

 

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LEARN ABOUT OSF1

xmtextfieldsethighlight

XmTextFieldSetHighlight(3X)											       XmTextFieldSetHighlight(3X)

NAME

       XmTextFieldSetHighlight - A TextField function that highlights text

SYNOPSIS

       #include <Xm/TextF.h>

       void XmTextFieldSetHighlight (widget, left, right, mode)
	       Widget widget;
	       XmTextPosition left;
	       XmTextPosition right;
	       XmHighlightMode mode;

DESCRIPTION

       XmTextFieldSetHighlight	highlights  text  between  the two specified character positions.  The mode parameter determines the type of high-
       lighting.  Highlighting text merely changes the visual appearance of the text; it does not set the selection.  Specifies the TextField wid-
       get ID Specifies the position of the left boundary of text to be highlighted. This is an integer number of characters from the beginning of
       the text buffer.  The first character position is 0.  Specifies the position of the right boundary of text to be highlighted.  This  is	an
       integer number of characters from the beginning of the text buffer.  The first character position is 0.	Specifies the type of highlighting
       to be done.  A value of XmHIGHLIGHT_NORMAL removes highlighting.  A value of XmHIGHLIGHT_SELECTED highlights the test using reverse  video.
       A value of XmHIGHLIGHT_SECONDARY_SELECTED highlights the text using underlining.

       For a complete definition of TextField and its associated resources, see XmTextField(3X).

SEE ALSO

       XmTextField(3X)

														       XmTextFieldSetHighlight(3X)
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