Rosetta Code

Pick random element: Difference between revisions

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Line 70:
<lang Bash>
# borrowed from github.com/search?q=bashnative
 
rand () {
echoprintf -n "$(( $(( ${1} * $(( $(( RANDOM * 100 )) / 32767 )) )) / 100 ))"
}
rand_element () {
local TH;-a th=("$@")
forunset x in "$@"; doth[0]
printf $'%s\n' TH"${th[$(($(rand "${#THth[*]}]="$x)+1))]}";
done
unset TH[0]
echo -n "${TH[$(($(rand "${#TH[*]}")+1))]}"
#" #rosettacode syntax highlighter fix, feel free to remove
}
 
Retrieved from "https://rosettacode.org/wiki/Pick_random_element"