This is for Dash, Bash, and Zsh. For DOS, see Batch file programming.

See:

• My git repository of scripts

  • Dash > examples
  • Bash > examples
  • Zsh > examples

• /tag/shell-scripting

Getting variables from another script in dash (not bash) ∞

dash 0.5.7-4+b1

The commandline:

a=
echo "commandline is un-set (1):  $a"

Contents of script_one.sh

#!/usr/bin/env  sh
echo "script_one.sh is un-set:  $a"
a="VARIABLE HAS CONTENT"
echo "script_one.sh is now set to:  $a"

Contents of script_two.sh

#!/usr/bin/env  sh
echo "script_two.sh is un-set:  $a"
. ./script_one.sh
echo "script_two.sh is set:  $a"

The commandline:

a=
echo "commandline is un-set (2):  $a"
. ./script_two.sh
echo "commandline is set (3):  $a"