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Re: How many ways can you run a script?

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  Re: How many ways can you run a script? Fritz Wuehler <fritz@spamexpire-202405.rodent.frell.theremailer.net> - 2024-05-31 01:03 +0200

#56483 — Re: How many ways can you run a script?

Woozy Song <suzyw...@outlook.com> [WS]:
WS> I know these are not all equivalent and may have idiosyncracies.

You forgot the most obvious ones (since this is unix we are
talkiing about):

$ [long (or short) pipe] | sh

and

$ < myscript sh



Here are a few more exotic ones:

$ find myscript -print0 | xargs -0 sh

$ echo | parallel --pipe ./myscript

$ echo "From " | reformail -s ./myscript
# Similar tricks exist for procmail, maildrop, postfix and most other MTAs

# chroot /tmp/playground /statically_compiled_shell myscript

$ sg - some_group -c ./myscript

$ < /dev/null tpipe ./myscript

$ zip test.zip myscript; funzip test.zip | sh

$ < /dev/zero dd bs=1024 count=10 >tempfile 2>&1; \
  tar -M --tape-length=1 --info-script ./myscript \
      -cf /dev/null tempfile; \
  rm -f tempfile



unix can be fun. The more you play with it, the more you like it...

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