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Full Discussion: absolute value
Top Forums UNIX for Dummies Questions & Answers absolute value Post 302229030 by sad_angle on Tuesday 26th of August 2008 05:08:41 AM
Old 08-26-2008
Rounding floating point numbers?

Try Perl function "sprintf".

I'd say

#!/usr/bin/perl -w
# This will round the value of Y to two decimal points, using ".2f"
$Y=14.875;
$roundedY= sprintf "%.2f", $Y;
print "$roundedY \n";
exit;

For more details look at sprintf - formatted print into a string

The same is in C and Korn in the man pages. I hope this helps.

Good luck
 

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SPRINTF(3P)						     POSIX Programmer's Manual						       SPRINTF(3P)

PROLOG
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the correspond- ing Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux. NAME
sprintf -- print formatted output SYNOPSIS
#include <stdio.h> int sprintf(char *restrict s, const char *restrict format, ...); DESCRIPTION
Refer to fprintf(). COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2013 Edition, Standard for Information Technol- ogy -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 7, Copyright (C) 2013 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. (This is POSIX.1-2008 with the 2013 Technical Corrigendum 1 applied.) In the event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Stan- dard is the referee document. The original Standard can be obtained online at http://www.unix.org/online.html . Any typographical or formatting errors that appear in this page are most likely to have been introduced during the conversion of the source files to man page format. To report such errors, see https://www.kernel.org/doc/man-pages/reporting_bugs.html . IEEE
/The Open Group 2013 SPRINTF(3P)
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