Here is an example script for tidying old files in your own login area.
If you want a long diagnostic, add the option -v to the first
line of the script, before -f.
#!/usr/local/bin/cfengine -f
#
# Tidy
#
control:
   actionsequence =
      (
      tidy
      )
tidy:
      $(HOME)        pat=core   r=inf  age=0
      $(HOME)        pat=*~     r=inf  age=1
      $(HOME)        pat=#*     r=inf  age=7
      $(HOME)/code   pat=*.o    r=inf  age=7
      $(HOME)/tex    pat=*.dvi  r=inf  age=7
      $(HOME)/tex    pat=*.log  r=inf  age=7
      $(HOME)/tex    pat=*.aux  r=inf  age=7
      $(HOME)/ftp    pat=*.zip  r=inf  age=7
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