awk, mawk, nawk, gawk... WHAT?

awk - the most common and will be found on most Unix-like systems, oldest version and inferior to newer ones. mawk - fast AWK implementation which it's code base is based on a byte-code interpreter. nawk - while the AWK language was being developed the authors released a new version (hence the n - new awk) to avoid confusion. Think of it like the Python 3.0 of AWK. gawk - abbreviated from GNU awk. The only version in which the developers attempted to add i18n support. Allowed users to write the…