forked from freifunk-franken/firmware
Tim Niemeyer
6ee643b66b
Signed-off-by: Tim Niemeyer <tim@tn-x.org> Reviewed-by: Tobias Klaus <tk+ff@meskal.net> Tested-by: Christian Dresel <fff@chrisi01.de> Reviewed-by: Christian Dresel <fff@chrisi01.de> Reviewed-by: Jan Kraus <mayosemmel@gmail.com>
17 lines
298 B
Bash
Executable File
17 lines
298 B
Bash
Executable File
#!/bin/sh
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# Freifunk Franken Random Number Script
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# Tim Niemeyer
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# 29.11.2015
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# License GPLv2
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FROM=${1:-0}
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UNTIL=${2:-100}
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diff=$(( UNTIL - FROM ))
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numbers=$(( $(echo $diff | wc -c) -1 ))
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rand=$(</dev/urandom tr -dc 0-9 | head -c $numbers | sed -e 's/^0*//g')
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echo $(( (rand % diff) + FROM ))
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