Here is a bash script to create 100 random files with random sizes smaller than 400KB. I needed this to quickly generate 100 files to use it on a stress test.<\/p>\n
Explanation:<\/p>\n The for loop is pretty straightforward, it counts from 1 to 100.<\/p>\n This line generates a random number between 0 – 399<\/p>\n This line generates a file with blocksize (bs \/ not bullsh!t) 1024 times the random number that we generated. The input for that file is the special urandom device in linux. (It’s the random number generator for the linux kernel) Here is a bash script to create 100 random files with random sizes smaller than 400KB. I needed this to quickly generate 100 files to use it on a stress test. for ((i=1;i<101;i++)); do size=`expr $RANDOM % 400` dd if=\/dev\/urandom of=\/tmp\/testfile.$i bs=1024 count=$size done Explanation: The for loop is pretty straightforward, it counts from 1 … Continue reading Creating random files.<\/span> for ((i=1;i<101;i++)); do
\nsize=`expr $RANDOM % 400`
\ndd if=\/dev\/urandom of=\/tmp\/testfile.$i bs=1024 count=$size
\ndone<\/code><\/p>\nsize=`expr $RANDOM % 400`<\/code><\/p>\ndd if=\/dev\/urandom of=\/tmp\/testfile.$i bs=1024 count=$size<\/code><\/p>\n
\nThe name of the file is also straightforward.<\/p>\n","protected":false},"excerpt":{"rendered":"