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