20 lines
455 B
Text
20 lines
455 B
Text
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#!/bin/bash
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#
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# Generates random number in a specified range. Example:
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# random number 1-10
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if [[ -z "$@" ]]; then
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echo "^random number [0-9]+-[0-9]+$"
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elif [[ "$1" == "--dry-run" ]]; then
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shift
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echo "$@"
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else
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BOUNDS="$(echo "$@" | sed -E 's/^random number ([0-9]+)-([0-9]+)$/\1 \2/g')"
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MIN="$(echo $BOUNDS | cut -d' ' -f1)"
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MAX="$(echo $BOUNDS | cut -d' ' -f2)"
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awk -v min=5 -v max=10 "BEGIN{srand(); print int($MIN+rand()*($MAX-$MIN+1))}"
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fi
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