scripting - How to debug an AWK script -
What are the tips for debugging any ANK script? To print back values of the variable by using a print statement in your code / values and Print on so much. If you are using, you can use the -w dump-variable [= file] option to dump the variable in a file for debugging. In addition, the option -W Lint [= value] may be of interest see the documentation for more. Other versions of AWK, such as pgawk provides profiling. sed / awk book on debugging for your reference.