Recursive rename the zsh way

10. 2. 2020

Example file tree structure

tree
#.
#├── a
#│   └── __resource.lua
#├── b
#│   └── __resource.lua
#└── c
    #└── __resource.lua

glob ls

ls **/*__resource.lua
#a/__resource.lua  b/__resource.lua  c/__resource.lua

echo ‘stuff’ to them all

echo "stuff" >> **/*__resource.lua 

cat a/__resource.lua 
#stuff
cat b/__resource.lua 
#stuff
cat c/__resource.lua 
#stuff

zmv is some sort of zsh extension

autoload zmv # https://blog.thecodewhisperer.com/permalink/renaming-magically-with-zmv

Add another one to tree root, just to make it harder

touch __resource.lua

The big rename

zmv -n '(**/)(*)__resource.lua' '${1}${2}woot.lua'

#mv -- a/__resource.lua a/woot.lua
#mv -- b/__resource.lua b/woot.lua
#mv -- c/__resource.lua c/woot.lua
#mv -- __resource.lua woot.lua

# remove -n when ready