rename

  
#files
  
copy-sys-log-01
  
copy-sys-log-02

rename copy-sys-log-0 copy-app-log-0 copy-sys-log-0*

7000
  
7001
  
7002

rename 700 node-700 700*

node-7000
  
node-7001
  
node-7002
  

rename 's/\d{4}-\d{2}-\d{2}-//' *.md

find . -name '*.md' -exec rename 's/\d{4}-\d{2}-\d{2}-//' {} \;