Perhaps something like : 
 system "echo 1 | getapdata";

[download]
In case you need the output from getpdata, use backticks or the "qx" function.

There are other, more complex options, including "open2".

    Earth first! (We'll rob the other planets later)

In reply to Re: How to give input to a program which is inside perl script by NetWallah
in thread How to give input to a program which is inside perl script by kirov60

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