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Finding process id of subsequent process

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3 Weeks Ago

matrixmadhan matrixmadhan is offline

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Finding process id of subsequent process

hi all,

I am trying to find the process id of the subsequent process created via fork and exec calls in perl.

For eg:

Code:

envVarSetter dataCruncher.exe < input.txt > output.txt

When I fork and exec the above command,
it returns only the pid of envVarSetter and I don't know how to find the pid of dataCruncher.exe

Option of pgrep, grepping by process name don't seem to suit my case and it will only involve additional processing. Also, multiple different parameters are passed which when grepped will return different values, so that's not a nice option

In short, is there a way to find out the pid of subsequent process executed in one command?

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