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i've been doing a command line course on codecademy and i get an error that i can't figure out why it's there.

i enter this code in my script.sh file:

01 #!/bin/bash
02 first_greeting="Nice to meet you!"
03 later_greeting="How are you?"
04 greeting_occasion=0
05 
06 
07 if [$greeting_occasion -lt 1]
08 then
09   echo $first_greeting
10 else
11   echo $later_greeting
12 fi

And when i run on bash i get this:

$./script.sh
./script/sh: line 6: [1: command not found
How are you?

I´ve tried changing greeting_occasion value but the result is always How are you? with an error on line 6. Also, i tried changing the conditional to start on line 5, and i get the same error on the same line, line 6, and the same result How are you?.

Any ideas on what´s up in this? Thank you for your time!

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2
  • Welcome! You can use https://www.shellcheck.net/ to test your code. Commented Apr 7, 2020 at 18:12
  • There is a command line version of shellcheck. On Debian install with apt install shellcheck. Commented Apr 7, 2020 at 18:14

1 Answer 1

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1

You need a space [ $greeting_occasion -lt 1 ].

The $greeting_occasion was transformed to a 1. this gave

if [1 -lt 1]

So bash tried to run [1, with arguments -lt, and 1] and pass its exit code to if

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