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Caputuring output while inputting to dc...
I think you might want to look at IPC::Open2 and IPC::Open3. They handle bidirectional piping. I can't offer you any experience with them, but I've read about them.
Use two parentheses: (Like this: :) )
Use one parenthesis: (Like this: :)
Reverse direction of the smiley: (Like this: (: )
Use angle/square brackets instead of parentheses
Use C-style commenting to set the smiley off from the closing parenthesis
Make the smiley a dunce: (:>
I disapprove of emoticons
Results (150 votes),