Comments are pieces of text or [[whitespace]] that can be included in a program to make the code more understandable to a programmer. Comments have no effect on the running program and are ignored by the [[awk]] interpreter. In [[awk]], comments can be inserted by prefixing them with a [[hash]] symbol. The [[awk]] interpreter will ignore the [[hash]] symbol and any other characters that follow it until the end of the line: {{{ # This whole line is a comment and is ignored by the awk interpreter print 'Hello!' # Comments after a hash sign are ignored }}}
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