Revisions to Bash: How to generate random float number using $RANDOM

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edited Jan 3, 2019 at 22:04

On bash

echobc -l <<< "scale=4 ; $((RANDOM % 10000 ))/10000" | bc -l

where 1/10000 is your random precision and 4 digits your output precision

On bash

echo "scale=4 ; $((RANDOM % 10000 ))/10000" | bc -l

where 1/10000 is your random precision and 4 your output precision

On bash

bc -l <<< "scale=4 ; $((RANDOM % 10000 ))/10000"

where 1/10000 is your random precision and 4 digits your output precision

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edited Jan 2, 2019 at 21:50

On bash

echo "scale=4 ; $((RANDOM % 100010000 ))/1000"10000" | bc -l

where 1/100010000 is your random precision and 4 your output precision

On bash

echo "scale=4 ; $((RANDOM % 1000 ))/1000" | bc -l

where 1/1000 is your random precision and 4 your output precision

On bash

echo "scale=4 ; $((RANDOM % 10000 ))/10000" | bc -l

where 1/10000 is your random precision and 4 your output precision

Source Link

answered Jan 2, 2019 at 21:44

On bash

echo "scale=4 ; $((RANDOM % 1000 ))/1000" | bc -l

where 1/1000 is your random precision and 4 your output precision

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