create_and_rename.sh

gistfile1.txt

#!/bin/bash 
# Script Gen file and rename file 

number_small_file=1000
number_large_file=500


#sudo apt install pwgen -y

# ================ Small file ================
# Create and rename 
for i in $(seq 1 $number_small_file); 
do 
    pwgen -ysBv 8 1 > small_$i.txt
    mv small_$i.txt small_$i.txt_rename1
done

# Create only small file 
for i in $(seq 1 $number_small_file); 
do 
    pwgen -ysBv 8 1 > small_$i.txt
done

# Rename only small file 
for i in $(seq 1 $number_small_file); 
do 
    mv small_$i.txt large_$i.txt_rename2
done

echo "======Done small=============="

# ================ Large file ================
# Create large file 
for i in $(seq 1 $number_large_file); 
do 
    pwgen -ysBv 1024 1 > large_$i.txt
    mv large_$i.txt large_$i.txt_rename1
done

# Create only large file 
for i in $(seq 1 $number_large_file); 
do 
    pwgen -ysBv 1024 1 > large_$i.txt
done

# Rename only large file  
for i in $(seq 1 $number_large_file); 
do 
    mv large_$i.txt large_$i.txt_rename2
done

echo "======Done large=============="