If what you need is to launch a program and write to its standard input while reading from its standard output, you can use IPC::Open2 or IPC::Open3 if you also need standard error. Be sure to set autoflush on the filehandle you are writing to, and be sure that the program you are calling also flushes its standard output. Otherwise you will get a deadlock.

In reply to Re: Interacting with a child process by Errto
in thread Interacting with a child process by K_M_McMahon

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