>>>>> "J" == John Cook <john.cook / bjss.co.uk> writes: J> I am trying to execute a simple script from with a C program, but with J> little success. The version of Ruby is 1.6.3, running under Linux and Cygwin J> 1.1.8 on Windows 2K. I get the same error on both systems. On linux the file must be compiled with -rdynamic -lm -lruby -lcrypt -ldl J> ruby_run(); J> printf("Done.\n"); ruby_run() make a call to exit, this mean that printf("Done.\n"); will never be executed J> return 0; J> } Guy Decoux