flowsamples 0.29.3

A set of sample 'flow' programs
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flow = "tokenizer"

[[process]] # Read a single line of inputs text into a stringn
source = "lib://flowruntime/stdio/readline"

[[process]] # Split a string on the space (" ") separator
source = "lib://flowstdlib/data/split"
input.separator = { always =  " " }
#input.string = { once =  "the quick brown fox jumped over the lazy dog" }

[[connection]] # Take the input string and pass it to splitter
from = "readline"
to = "split/string"

[[connection]] # Loop back partial splits to be split further
from = "split/partial"
to = "split/string"

[[process]] # Adder to track pending work
alias = "work-counter"
source = "lib://flowstdlib/math/add"
input.i2 = { once =  1 }

[[process]] # Adder to count tokens
alias = "token-counter"
source = "lib://flowstdlib/math/add"
input.i2 = { once =  0 }

[[connection]] # Pass the change in amount of work pending to the work counter
from = "split/delta"
to = "work-counter/i1"

[[connection]] # Loop back the sum to accumulate the pending work count
name = "pending-work"
from = "work-counter/sum"
to = "work-counter/i2"

[[connection]] # Count the tokens passing thru 'count'
name = "tokens"
from = "split/token-count"
to = "token-counter/i1"

[[connection]] # Loop back to count token total
from = "token-counter/sum"
to = "token-counter/i2"

[[process]] # A Tap to limit output of count until we are done
source = "lib://flowstdlib/control/tap"

[[connection]] # Pass the token count to the tap
name = "token-count"
from = "token-counter/sum"
to = "tap/data"

[[process]] # compare pending work to zero
source = "lib://flowstdlib/math/compare"
input.left = { always =  0 }

[[connection]] # compare pending work to zero
name = "pending-work"
from = "work-counter/sum"
to = "compare/right"

[[connection]] # Open tap when we are done!
name = "done"
from = "compare/equal"
to = "tap/control"

[[process]] # stdout for showing text
source = "lib://flowruntime/stdio/stdout"

[[connection]] # output the last token count when done
name = "last-token-count"
from = "tap"
to = "stdout"