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Full Discussion: Problem with sed
Top Forums Shell Programming and Scripting Problem with sed Post 302558859 by Scrutinizer on Sunday 25th of September 2011 05:22:53 PM
Old 09-25-2011
Quote:
Originally Posted by ahamed101
${col} doesn't mean that it will replace in the column you have specified. For eg:-
Code:
sed '3 s/you/me/4' file

The above code means, replace "you" with "me" in line #3 for the fourth occurrence of "you" and not in fourth column.

--ahamed
Which would mean the fourth column if all columns are only one character wide.
This User Gave Thanks to Scrutinizer For This Post:
 

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wcwidth(3C)						   Standard C Library Functions 					       wcwidth(3C)

NAME
wcwidth - number of column positions of a wide-character code SYNOPSIS
#include <wchar.h> int wcwidth(wchar_t wc); DESCRIPTION
The wcwidth() function determines the number of column positions required for the wide character wc. The value of wc must be a character representable as a wchar_t, and must be a wide-character code corresponding to a valid character in the current locale. RETURN VALUES
The wcwidth() function either returns 0 (if wc is a null wide-character code), or returns the number of column positions to be occupied by the wide-character code wc, or returns -1 (if wc does not correspond to a printing wide-character code). ERRORS
No errors are defined. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |CSI |Enabled | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe with exceptions | +-----------------------------+-----------------------------+ SEE ALSO
setlocale(3C), wcswidth(3C), attributes(5), standards(5) SunOS 5.11 14 Aug 2002 wcwidth(3C)
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