#Bash

###Scoring

###Truthy/Falsey

###I/O

###I/O datatypes

###Versions

Bash

Scoring

Truthy/Falsey

I/O

I/O datatypes

Versions

Both programs and functions may read from SDTIN and/or use positional command-line parameters $1, $2, etc (or $@ for them all).

Both programs and functions may read from STDIN and/or use positional command-line parameters $1, $2, etc (or $@ for them all).

Different OSes have different utilities. For example the Linux find is most commonly a version from coreutils. This is quite different to the BSD-flavour find on MacOS - even if the bash versions are the same.