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lang-bash
[ "$#" -eq 2 ], according to his example. And it could be a good idea to also add the date to "tacked_parameters.txt". And I'd go for the general case (ie, not just track of the 2nd parameters when 2 parameters, but track any parameters) : I'd get rid of the if, and have:printf '%s: %s\n' "$(date '+%Y-%m-%dT%H:%M:%S')" "$0 $*"? (ie, show the command + all the parameters (note that you still lose some info, for example which parameter's had intra-separators, if any). Portable date close to the iso8601 standard)