bash loops

for loop1

for val in {1..10}; do
    ...
done

for loop2

for ((i=1; i<=10; i++)); do
    ...
done

iterate over user input

vim test.sh
for var in "$@"; do
    echo "$var"
done

# output
# bash test.sh 1 2 '3 4'
# 1
# 2
# 3 4

iterate over files in dir

for FILE in something*; do
    echo ${FILE}
    ...
done

EOF