CODEWITHSUNDEEP
coffeescript
Dale Baker
Dale Baker

Reputation: 339

Coffeescript cli keeps giving unexpected end of input for loops

I've decided to learn coffeescript. Downloaded it today and was playing around with it in the cli but i keep getting odd errors for basic code that works here: https://coffeescript.org/#try:for%20i%20in%20%5B0..5%5D%0A%20%20%20%20console.log%20%22Hello%20%22%20%2B%20i%20

here's an example:

>coffee -v
CoffeeScript version 2.3.2

>coffee -c
coffee> for i in [0..5]

[stdin]:1:16: error: unexpected end of input

basically

for i in [0..5]

returns the error: 

[stdin]:1:16: error: unexpected end of input

despite it working perfectly fine on the coffescript website

is something wrong with the cli version?

Upvotes: 0

Views: 27

Answers (1)

caffeinated.tech
caffeinated.tech

Reputation: 6548

You need to enter the multiline input mode in the CLI to create any codeblocks that need indentation.

Once inside the CLI use CTRL + v (if you use a shell / CMD where this is used to paste, try CTRL + SHIFT + v

You should see the prompt changes from coffee> to ------>. Don't forget to use indentation for the inside of your for loop. Once you've finished your block, hit ENTER and use CTRL + v to execute the multi-line block.

Example:

writing a loop in normal mode raises an error

coffee> for i in [1,2,3]
[stdin]:1:17: error: unexpected end of input
for i in [1,2,3]
            ^

First entering multi-line mode (don't forget indentation after the first line)

------> for i in [1,2,3]
.......   i * i - i

Now hit enter and exit multi-line mode to execute. As with any execution in the CLI, the output of the expression (loop in this case) will be printed:

[ 0, 2, 6 ]

Upvotes: 1

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