root:
             creates   file:./
             creates   file:plan.py
             creates   step:runpy ./plan.py

file:./
               state = STATIC
          created by   root:
            supplies   file:double.txt
            supplies   file:plan.py
            supplies   file:quadruple.txt
            supplies   file:single.txt
            supplies   step:runpy ./plan.py
            supplies   step:runsh cat double.txt double.txt > quadruple.txt
            supplies   step:runsh cat single.txt single.txt > double.txt
            supplies   step:runsh echo something > single.txt

file:plan.py
               state = STATIC
          created by   root:
            consumes   file:./
            supplies   step:runpy ./plan.py

step:runpy ./plan.py
               state = SUCCEEDED
             env_var = STEPUP_PATH_FILTER [amended]
           explained = yes
          created by   root:
            consumes   file:./
            consumes   file:plan.py
             creates   step:runsh cat double.txt double.txt > quadruple.txt
             creates   step:runsh cat single.txt single.txt > double.txt
             creates   step:runsh echo something > single.txt

step:runsh echo something > single.txt
               state = SUCCEEDED
           explained = yes
          created by   step:runpy ./plan.py
            consumes   file:./
             creates   file:single.txt
            supplies   file:single.txt

file:single.txt
               state = BUILT
          created by   step:runsh echo something > single.txt
            consumes   file:./
            consumes   step:runsh echo something > single.txt
            supplies   step:runsh cat single.txt single.txt > double.txt

step:runsh cat single.txt single.txt > double.txt
               state = SUCCEEDED
           explained = yes
          created by   step:runpy ./plan.py
            consumes   file:./
            consumes   file:single.txt
             creates   file:double.txt
            supplies   file:double.txt

file:double.txt
               state = BUILT
          created by   step:runsh cat single.txt single.txt > double.txt
            consumes   file:./
            consumes   step:runsh cat single.txt single.txt > double.txt
            supplies   step:runsh cat double.txt double.txt > quadruple.txt

step:runsh cat double.txt double.txt > quadruple.txt
               state = SUCCEEDED
           explained = yes
          created by   step:runpy ./plan.py
            consumes   file:./
            consumes   file:double.txt
             creates   file:quadruple.txt
            supplies   file:quadruple.txt

file:quadruple.txt
               state = BUILT
          created by   step:runsh cat double.txt double.txt > quadruple.txt
            consumes   file:./
            consumes   step:runsh cat double.txt double.txt > quadruple.txt
