numprocess1

Usage

Overview

numprocess 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.

Usage examples

  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

Keywords and operators

   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.

Options

    -h  Help: You're looking at it.
    -V  Increase verbosity.
    -d  Debug mode.  For developers

More info

More info on numprocess can be found at:

http://suso.suso.org/xulu/Num-utils