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.\" ========================================================================
.\"
.IX Title "NUMPROCESS 1"
.TH NUMPROCESS 1 "2020-06-09" "perl v5.30.3" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.SH "NAME"
numprocess \- This program mutates numbers as it encounters them.
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
\&\fBnumprocess\fR [\-dhV] /<expression>/ [\s-1FILE\s0 or \s-1STDIN\s0]
.PP
| \fBnumprocess\fR [\-dhV] /<expression>/  (Input on \s-1STDIN\s0 from pipeline.)
.PP
\&\fBnumprocess\fR [\-dhV] /<expression>/    (Input on \s-1STDIN.\s0  Use Ctrl-D to stop.)
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\fBnumprocess\fR
will take as one argument, a list of operations to be performed on numbers that it
encounters.  It will perform those operations on each number and return the result in place
of the original number.
.SH "USAGE EXAMPLES"
.IX Header "USAGE EXAMPLES"
.Vb 1
\&  Add 1 to all numbers.
\&
\&   $ numprocess /+1/ file1
\&
\&  Convert all numbers from miles to kilometers.  Multiply by 8 and divide by 5.
\&
\&   $ cat file1 | numprocess /*8,%5/
\&
\&  Convert from celcius to fahreheit degrees.  Multiply by 9, divide by 5 and add 32.
\&
\&   $ numprocess /*9,%5,+32/ temperatures
\&
\&  Find the area of each circle from the given radius.
\&
\&   $ numprocess /^2,*pi/ radii
.Ve
.SH "KEYWORDS AND OPERATORS"
.IX Header "KEYWORDS AND OPERATORS"
.Vb 2
\&   For operators, the modifying number goes directly after the operator, with
\&   the exception of functions like sqrt, sin, cos, etc.
\&
\&   +     Addition
\&   \-     Subtraction
\&   *     Multiplication
\&   %     Division
\&   ^     Power function
\&   sqrt  Square Root  (*)
\&   sin   Sine function
\&   cos   Cosine function
\&
\&   Constants and keywords that can be used
\&
\&    pi    3.141592654
\&    e     2.718281828
\&
\&  (*) When using the sqrt operation on negative numbers, it will take the
\&     absolute value of the number, sqrt it and then tack an i on the end
\&     of the result to signify that the resulting number is imaginary.
.Ve
.SH "OPTIONS"
.IX Header "OPTIONS"
.Vb 3
\&    \-h  Help: You\*(Aqre looking at it.
\&    \-V  Increase verbosity.
\&    \-d  Debug mode.  For developers
.Ve
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBnumaverage\fR\|(1), \fBnumbound\fR\|(1), \fBnuminterval\fR\|(1), \fBnumnormalize\fR\|(1), \fBnumgrep\fR\|(1), \fBnumsum\fR\|(1), \fBnumrandom\fR\|(1), \fBnumrange\fR\|(1), \fBnumround\fR\|(1)
.SH "BUGS"
.IX Header "BUGS"
There is currently no way to take the number found in the text stream and
use it as the numerator instead of the denominator of a division operation.
Workaround: https://bugs.debian.org/553913
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
numprocess is part of the num-utils package, which is copyrighted by
Suso Banderas and released under the \s-1GPL\s0 license.  Please read
the \s-1COPYING\s0 and \s-1LICENSE\s0 files that came with the num-utils package
.PP
.Vb 2
\&  Developers can read the GOALS file and contact me about providing
\&submitions or help for the project.
.Ve
.SH "MORE INFO"
.IX Header "MORE INFO"
More info on numprocess can be found at:
.IP "\fBhttp://suso.suso.org/xulu/Num\-utils\fR" 1
.IX Item "http://suso.suso.org/xulu/Num-utils"