/usr/share/doc/bash/examples/scripts.noah/number.bash is in bash-doc 4.2-2ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 | # number.bash
# Author: Noah Friedman <friedman@prep.ai.mit.edu>
# Created: 1993-02-22
# Last modified: 1993-04-01
# Public domain
# Conversion to bash v2 syntax done by Chet Ramey
# Commentary:
# Code:
#:docstring number:
# Usage: number [number]
#
# Converts decimal integers to english notation. Spaces and commas are
# optional. Numbers 67 digits and larger will overflow this script.
#
# E.g: number 99,000,000,000,000,454
# => ninety-nine quadrillion four hundred fifty-four
#
#:end docstring:
function number ()
{
local result
local val1
local val2
local val3
local d1
local d2
local d3
case "$*" in
*[!0-9,.]* )
echo "number: invalid character in argument." 1>&2
return 1
;;
*.* )
echo "number: fractions not supported (yet)." 1>&2
return 1
;;
esac
result=''
eval set - "`echo ${1+\"$@\"} | sed -n -e '
s/[, ]//g;s/^00*/0/g;s/\(.\)\(.\)\(.\)$/\"\1 \2 \3\"/;
:l
/[0-9][0-9][0-9]/{
s/\([^\" ][^\" ]*\)\([^\" ]\)\([^\" ]\)\([^\" ]\)/\1\"\2 \3 \4\"/g;
t l
}
/^[0-9][0-9][0-9]/s/\([^\" ]\)\([^\" ]\)\([^\" ]\)/\"\1 \2 \3\"/;
/^[0-9][0-9]/s/\([^\" ]\)\([^\" ]\)/\"\1 \2\"/;
/^[0-9]/s/^\([^\" ][^\" ]*\)/\"\1\"/g;s/\"\"/\" \"/g;p;'`"
while test $# -ne 0 ; do
eval `set - $1;
d3='' d2='' d1=''
case $# in
1 ) d1=$1 ;;
2 ) d2=$1 d1=$2 ;;
3 ) d3=$1 d2=$2 d1=$3 ;;
esac
echo "d3=\"${d3}\" d2=\"${d2}\" d1=\"${d1}\""`
val1='' val2='' val3=''
case "${d3}" in
'1' ) val3='one' ;;
'2' ) val3='two' ;;
'3' ) val3='three' ;;
'4' ) val3='four' ;;
'5' ) val3='five' ;;
'6' ) val3='six' ;;
'7' ) val3='seven' ;;
'8' ) val3='eight' ;;
'9' ) val3='nine' ;;
esac
case "${d2}" in
'1' ) val2='teen' ;;
'2' ) val2='twenty' ;;
'3' ) val2='thirty' ;;
'4' ) val2='forty' ;;
'5' ) val2='fifty' ;;
'6' ) val2='sixty' ;;
'7' ) val2='seventy' ;;
'8' ) val2='eighty' ;;
'9' ) val2='ninety' ;;
esac
case "${val2}" in
'teen')
val2=''
case "${d1}" in
'0') val1='ten' ;;
'1') val1='eleven' ;;
'2') val1='twelve' ;;
'3') val1='thirteen' ;;
'4') val1='fourteen' ;;
'5') val1='fifteen' ;;
'6') val1='sixteen' ;;
'7') val1='seventeen' ;;
'8') val1='eighteen' ;;
'9') val1='nineteen' ;;
esac
;;
0 ) : ;;
* )
if test ".${val2}" != '.' && test ".${d1}" != '.0' ; then
val2="${val2}-"
fi
case "${d1}" in
'0') val2="${val2} " ;;
'1') val1='one' ;;
'2') val1='two' ;;
'3') val1='three' ;;
'4') val1='four' ;;
'5') val1='five' ;;
'6') val1='six' ;;
'7') val1='seven' ;;
'8') val1='eight' ;;
'9') val1='nine' ;;
esac
;;
esac
if test ".${val3}" != '.' ; then
result="${result}${val3} hundred "
fi
if test ".${val2}" != '.' ; then
result="${result}${val2}"
fi
if test ".${val1}" != '.' ; then
result="${result}${val1} "
fi
if test ".${d1}${d2}${d3}" != '.000' ; then
case $# in
0 | 1 ) ;;
2 ) result="${result}thousand " ;;
3 ) result="${result}million " ;;
4 ) result="${result}billion " ;;
5 ) result="${result}trillion " ;;
6 ) result="${result}quadrillion " ;;
7 ) result="${result}quintillion " ;;
8 ) result="${result}sextillion " ;;
9 ) result="${result}septillion " ;;
10 ) result="${result}octillion " ;;
11 ) result="${result}nonillion " ;;
12 ) result="${result}decillion " ;;
13 ) result="${result}undecillion " ;;
14 ) result="${result}duodecillion " ;;
15 ) result="${result}tredecillion " ;;
16 ) result="${result}quattuordecillion " ;;
17 ) result="${result}quindecillion " ;;
18 ) result="${result}sexdecillion " ;;
19 ) result="${result}septendecillion " ;;
20 ) result="${result}octodecillion " ;;
21 ) result="${result}novemdecillion " ;;
22 ) result="${result}vigintillion " ;;
* )
echo "Error: number too large (66 digits max)." 1>&2
return 1
;;
esac
fi
shift
done
set - ${result}
case "$*" in
'') set - 'zero' ;;
esac
echo ${1+"$@"}
}
provide number
# number.bash ends here
|