X-Git-Url: https://zdv2.bktei.com/gitweb/BK-2020-03.git/blobdiff_plain/26f0533782d8c57fb95b8df4f55057edcbf17703..a3b14452ef198f408b9c57adbbf3959ba8b54ca3:/unitproc/bkt-randFloat diff --git a/unitproc/bkt-randFloat b/unitproc/bkt-randFloat index 138653f..7d61707 100644 --- a/unitproc/bkt-randFloat +++ b/unitproc/bkt-randFloat @@ -2,11 +2,11 @@ #==BEGIN Function Definitions== randFloat() { - # Desc: Output random float with no newline + # Desc: Output random float # Usage: randFloat arg1 # Inputs: arg1: number of decimal places # Output: stdout: float as decimal string - # Version: 0.0.1 + # Version: 0.1.1 # 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 @@ -21,16 +21,19 @@ randFloat() { echo "ERROR:Not an integer." >&2; exit 1; fi; else - echo "ERROR:Invalid number of arguments:${@}"; + echo "ERROR:Invalid number of arguments:${*}"; fi; # Produce output - decimals="$(head -c ${arg1:-5} < <(LC_ALL=C tr -cd "[:digit:]" < <(cat /dev/urandom)))"; - echo 0."$decimals"; -} + decimals="$(head -c "${arg1:-5}" < <(LC_ALL=C tr -cd "[:digit:]" < <(cat /dev/urandom)))"; + printf "0.%s\n" "$decimals"; +}; # output random float [0.00000 1.00000] to stdout #==END Function Definitions== #==BEGIN sample code== +time randFloat; +dec=5 +time randFloat; dec=70 time randFloat; time (randFloat && randFloat && randFloat && randFloat && randFloat && randFloat && randFloat && randFloat && randFloat && randFloat);