Helmut Dipper wrote:
> I use following bash-version:
>
> bash -version delivers:
> GNU bash, version 2.04.0(1)-release (i586-pc-cygwin)
> Copyright 1999 Free Software Foundation, Inc.
>
> on Windows-NT 4.0 SP5.
>
> During my tests I found following behaviour:
>
> Given the definitions
>
> VAR="xxx" ; export VAR
> function fct() { pwd; } ; export -f fct
>
> Consider the environments of subsequent started shells:
>
> - interactive shell "bash"
> variable VAR and function fct are inherited
>
> - interactive shell "sh" or
> shell-script with #!/bin/sh or
> shell-script with #!/bin/bash
> variable VAR is inherited but not function fct
>
> Question:
> Why is there a difference in the inheritance between
> variables and functions?
sh = ash. Ash has no mechanism to export functions.
bash exports functions and if you're using bash as interactive shell
and the shell script has "#!/bin/bash" in the first line, then the
function will be inherited.
Corinna
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