What I usualy do is to have a command line parameter when it is invoked
by another script or cron. This is easy to test as $1
Then if the script is called from the user there is no parameter (or
different ones)
I hope that this is possible in your case
Alain
Em 27-07-2012 05:20, Harald Becker escreveu:
Hi !
As here are many shell script experts a not so Busybox related
question, except I'm using Busybox ash and want to use only builtin
applets:
I need to change behavior of shell script(s) if they get invoked from a
main shell, that is a shell (interactive or not) which is a direct
child of process #1 (init). How to determine if script has been invoked
in this environment? What is the best/easiest solution for this?
An example to clarify my needs:
I have a shell invoked from init:
$ echo "pids=$$,$PPID"
pids=156,1
And a multi function script command invoked by root in several
situations:
File /root/bin/doit:
#!/bin/busybox sh
echo "script pids=$$,$PPID"
exit 0
$ doit
script pids=1007,156
How does this doit script know if it is invoked from a top level shell
in the shown sense or from any other shell (not direct child of init
process)?
Thx ahead for help and suggestions.
Harald
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