make numbered folders with bash #bash #study

num_folders.sh

# knowledge needed
# for looping check: http://www.cyberciti.biz/faq/bash-for-loop/
# print format: http://linuxconfig.org/bash-printf-syntax-basics-with-examples
# operand pipelining: http://unix.stackexchange.com/questions/9597/giving-grep-output-to-rm

# uses this if formatting isn't important
# for V in {1..13}; do mkdir "my_num_folder_${V}"; done

# note $V_ is different from ${V}_

for V in {1..13}; do printf "my_num_folder_%02i" $V | xargs mkdir ; done