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num-utils

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numaverage

Find the average of a set of numbers.

  • -i Only return the integer portion of the final sum.
  • -I Only return the decimal portion of the final sum
  • -m Find the mode (most occuring) of the list of numbers, or when there's more than one mode, the first completed mode.
  • -M Find the median (middle number) of the list of numbers.
  • -l When finding the median and the count of numbers in the set is even, use the lower middle number instead of the upper middle number.
$ echo -e '1\n2\n3\n5.0\n\n' | numaverage -i
2
$ echo -e '1\n2\n3\n5.0\n\n' | numaverage -I
.75
$ echo -e '1\n2\n3\n5.0\n\n' | numaverage -M
3
$ echo -e '1\n2\n3\n5.0\n\n' | numaverage -l
2.75

numbound

Find boundary numbers in files or STDIN.

  • -l – Return the lower bound number in the set (the minimum number)
$ echo -e '1\n2\n3\n5.0\n\n' | numbound 
5.0
$ echo -e '1\n2\n3\n5.0\n\n' | numbound -l
1

numgrep

This program is the numeric equivilent of the grep utility.

numinterval

Show the numeric intervals between each line in a file.

$ echo -e '1\n2\n3\n5.0\n\n' | numinterval 
1
1
2

numnormalize

Normalize a set of numbers. By default between 0 and 1.

$ echo -e '1\n2\n3\n5.0\n\n' | numnormalize 
0.0909090909090909
0.181818181818182
0.272727272727273
0.454545454545455

numprocess

This program mutates numbers as it encounters them.

Convert from celcius to fahreheit degrees. Multiply by 9, divide by 5 and add 32:

$ echo -e '1\n2\n3\n5.0\n\n' | numprocess /*9,%5,+32/
33.8
35.6
37.4
41

numrandom

Print out a random number.

$ numrandom /1..10/
7

numrange

Print out a range of numbers for use in for loops and such.

$ numrange /1..10,15..20/
1 2 3 4 5 6 7 8 9 10 15 16 17 18 19 20

numround

A program that rounds off numbers it encounters.

  • -c Force the number to be rounded up. Ceiling.
  • -f Force the number to be rounded down. Floor.
  • -n <n> Round numbers to the nearest factor of <n>.

numsum

  • -i Only return the integer portion of the final sum.
  • -I Only return the decimal portion of the final sum.
  • -c Print out the sum of each column.
  • -r Print out the sum of each row.
  • -x <n> Specify a comma seperated list of columns to print.
  • -y <n> Specify a comma seperated list of rows to print.
  • -s <string> Specify a string to use as a seperator for columns. This defaults to be consecutive whitespace (\s+).
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