In Linux, in shell scripts, the $[] syntax is called [...][...]
Answer
expression expansion
^^ e.g. is: echo $[2*6], which would print "12" to the screen
Question
In Linux, in shell scripts, the $[] syntax is called [...][...]
Answer
?
Question
In Linux, in shell scripts, the $[] syntax is called [...][...]
Answer
expression expansion
^^ e.g. is: echo $[2*6], which would print "12" to the screen
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7. Shell Scripting variable because its contents can vary. You can use shell scripts like a calculator. Try 5 echo "I will work out X*Y" echo "Enter X" read X echo "Enter Y" read Y echo "X*Y = $X*$Y = $[X*Y]" The <span>[ and ] mean that everything between must be evaluated [Substituted, worked out, or reduced to some simplified form. ] as a numerical expression [Sequence of numbers with + , - , * , etc. betwe
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