[Philip Ashmore]
> On my machine running "set > set.txt && ls -lsa set.txt" reveals that my
> environment contains 225517 of "stuff" - some of it is even being
> taken up by
> exported function definitions!
As mentioned earlier, 'set' is not reporting much more than the
environment exported to external processes and scripts. Observe:
$ set | wc -c
189097
That's my interactive bash session, including a huge chunk from
bash-completion. But...
$ env | wc -c
792
That's all that actually gets exported to external processes, including
shell scripts.
$ sh -c set | wc -c
908
$ sh -i -c set | wc -c
908
That's dash, including the 792 bytes of exported environment noted
earlier. Interactive mode (-i) seems to make no difference.
$ bash -c set | wc -c
1371
$ bash -i -c set | wc -c
189101
...and that's bash, which does a bit more at startup than dash.
Interactive mode (-i) enables bash-completion and other stuff. Big
difference! But probably no shell scripts ever run in interactive
mode.
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