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fduran/Linux Bash generate a number of files of random sizes in a range

Last active January 12, 2024 19:43
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Linux Bash generate a number of files of random sizes in a range
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Linux Bash generate a number of files of random sizes in a range
#!/bin/bash
# generate a number of files with random sizes in a range
min=1 # min size (MB)
max=10 # max size (MB)
nofiles=20 # number of files
for i in `eval echo {1..$nofiles}`
do
dd bs=1M count=$(($RANDOM%max + $min)) if=/dev/urandom of=./files/file$i
done
@laszlolaszlo
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laszlolaszlo commented Dec 8, 2023 •
edited

I think you have to change bs and count like this:
dd bs=$(($RANDOM%max + $min))M count=1 if=/dev/urandom of=./files/file$i

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