Re^2: Reading return value from C program

I got my answer. We can use "$?>>8" to get the read the return value, however it's returning only positive value.Any one knows how to read the negative values as well

Comment on Re^2: Reading return value from C program

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Re^3: Reading return value from C program by Anno (Deacon) on Mar 25, 2007 at 12:31 UTC
You can interpret the byte as a signed byte: `my $exit_code = $? >> 8; $exit_code -= 256 if $exit_code > 127;` [download] But that won't tell you whether the program has specified its exit code as a negative number. All you get is the least significant eight bytes of the value. Anno	[reply] [d/l]