2019-07-29 17:55:58 +0100, Isabella Bosia: > haven't really looked into why this happens but x[ seems to trigger some > funny parser behavior > > x[ newline should not prompt with PS2 > > it can't be defined as a normal sh function, but it can be defined with the > function keyword [...]
x[ is the start of an array element assignment. newline is valid (just a token separator like space) inside an arithmetic expression. $ x[ > 1 > + > 1 > ]=3 $ typeset -p x declare -a x=([2]="3") You'll notice: $ +[ +[: command not found $ 'x'[ x[: command not found -- Stephane
