-#!/bin/bash
-
-#==BEGIN Function Definitions==
-randFloat() {
- # Desc: Output random float with no newline
- # Usage: randFloat arg1
- # Inputs: arg1: number of decimal places
- # Output: stdout: float as decimal string
- # Version: 0.0.1
- # Note: Outputs float from 0.000... to 0.999...
- # Note: Default number of decimals is 5.
- # Ref/Attrib: Integer test regular expression https://stackoverflow.com/a/806923
-
- # Validate input
- if [[ $# -eq 0 ]]; then
- : # do nothing
- elif [[ $# -eq 1 ]]; then
- arg1=$1;
- RETEST1='^[0-9]+$'
- if ! [[ $arg1 =~ $RETEST1 ]]; then
- echo "ERROR:Not an integer." >&2; exit 1;
- fi;
- else
- echo "ERROR:Invalid number of arguments:${@}";
- fi;
-
- # Produce output
- decimals="$(head -c ${arg1:-5} < <(LC_ALL=C tr -cd "[:digit:]" < <(cat /dev/urandom)))";
- echo 0."$decimals";
-}
-#==END Function Definitions==
-
-#==BEGIN sample code==
-dec=70
-time randFloat;
-time (randFloat && randFloat && randFloat && randFloat && randFloat && randFloat && randFloat && randFloat && randFloat && randFloat);
-time (randFloat "$dec" && randFloat "$dec" && randFloat "$dec" && randFloat "$dec" && randFloat "$dec" && randFloat "$dec" && randFloat "$dec" && randFloat "$dec" && randFloat "$dec" && randFloat "$dec");
-time (randFloat "$dec" &>/dev/null && randFloat "$dec" &>/dev/null && randFloat "$dec" &>/dev/null && randFloat "$dec" &>/dev/null && randFloat "$dec" &>/dev/null && randFloat "$dec" &>/dev/null && randFloat "$dec" &>/dev/null && randFloat "$dec" &>/dev/null && randFloat "$dec" &>/dev/null && randFloat "$dec" &>/dev/null);
-#==END sample code==