Batch script to create log file with timestamp

I use basic logging facilities in my scripts to support troubleshooting both during execution and after execution.

Batch file output to text file append

I use basic logging as a way to instrument what my scripts are doing at runtime and why. I remember watching a network operations center trying to troubleshoot a legacy batch process where the sysadmins literrally had to try to read the lines of a console window as they trickled by.

This technique worked fine for years when the batch machines used dial-up modems for connectivity to remote resources. However, the advent of brooadband meant the batch script executed faster than anyone could read the output.

A simple log file would have made troubleshooting work much easier for these sysadmins.

I really like the basic implementation I wrote in Part 7 – Functions.

This quasi function enable me to write output to the console as well as a log file.

Here I am reusing the same log file path, which is saved in the users folder as the name of the batch file with a .txt file extension.

If you need to retain logs for each execution, you could simply

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create log file with date and time in batch script linux