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Full Discussion: Place , character after 3 digits from left to right in a string
Top Forums Shell Programming and Scripting Place , character after 3 digits from left to right in a string Post 302639757 by Scrutinizer on Sunday 13th of May 2012 04:16:44 AM
Old 05-13-2012
Hi pravin,

The '-flag is not in the POSIX specification of the printf utility itself:printf utility: extended description, but recent bash and ksh93 appear to support this part of the POSIX specification of the printf function syntax:

Quote:
The flag characters and their meanings are:

'
[XSI] The integer portion of the result of a decimal conversion ( %i, %d, %u, %f, %F, %g, or %G ) shall be formatted with thousands' grouping characters. For other conversions the behavior is undefined. The non-monetary grouping character is used.
It depends on locale so you may need to prepend it with the desired locale.
Code:
LC_NUMERIC=en_US.UTF-8 printf "%'d\n" 12345678911234567

Last edited by Scrutinizer; 05-13-2012 at 06:32 AM..
These 4 Users Gave Thanks to Scrutinizer For This Post:
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LEARN ABOUT LINUX

localeconv

LOCALECONV(3)						     Linux Programmer's Manual						     LOCALECONV(3)

NAME

       localeconv - get numeric formatting information

SYNOPSIS

       #include <locale.h>

       struct lconv *localeconv(void);

DESCRIPTION

       The  localeconv()  function returns a pointer to a struct lconv for the current locale.	This structure is shown in locale(7), and contains
       all values associated with the locale categories LC_NUMERIC and LC_MONETARY.  Programs may also use the functions printf(3) and strfmon(3),
       which behave according to the actual locale in use.

CONFORMING TO

       C89, C99.

BUGS

       The printf(3) family of functions may or may not honor the current locale.

SEE ALSO

       locale(1), localedef(1), isalpha(3), nl_langinfo(3), setlocale(3), strcoll(3), strftime(3), locale(7)

COLOPHON

       This  page is part of release 3.27 of the Linux man-pages project.  A description of the project, and information about reporting bugs, can
       be found at http://www.kernel.org/doc/man-pages/.

GNU
								    1993-04-25							     LOCALECONV(3)
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