linux - Declaring User Defined Variable in Shell Scripting (csh shell) -

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i trying learn shell scripting , trying create user defined variable within script, first:

howdy="hello $user !" echo $howdy

however, when execute script (./first) this:

howdy=hello aaron!: command not found. howdy: undefined variable.

what doing wrong?

you have 2 errors in code:

  1. you using sh syntax instead of csh 1 set variable
  2. you not escaping "!" character (history substitution)

try this:

#!/bin/csh  set howdy="hello $user \!" echo $howdy

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