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22 lines
658 B
Bash
22 lines
658 B
Bash
#!/usr/bin/env sh
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helpmsg() {
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printf "%s\n" "desc: commandline calculator (ctrl+d to exit)"
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printf "%s\n" "demo: http://www.youtube.com/watch?v=JkyodHenTuc"
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printf "%s\n" "depends: python2, python3 or bc"
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printf "\n"
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printf "%s\n" "usage: ${0##*/}"
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}
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if [ "$1" = -h ] || [ "$1" = --help ]; then
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helpmsg
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exit 0
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elif command -v python3 >/dev/null; then
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python3 -ic "from math import *; import cmath"
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elif command -v python2 >/dev/null; then
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python2 -ic "from __future__ import division; from math import *; from random import *"
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elif command -v bc >/dev/null; then
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bc -q -l
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else
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printf "%s\n" "missing python2, python3 or bc"
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exit 1
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fi
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