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i almost forgot this as well, which is implementing whether or not the user input is an actual number or not

so i did this along with the if statement


if [[ $# -eq 2 || $# != [0-9] ]]

...

i'm trying to make a script to simply add numbers together

for example i have a file script file called add

[john@home ~] add 1 2 3 4 5
15

however i want the user to put at least 3 numbers...