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Return Parameters
With the "." command a script can be
executed in the current shell.
Hence all changes to variables are kept.
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Example:
. .profile
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But you cannot give arguments to a
script called with the "." dot.
Three Tricks:
1) Save return values in a file.
2) Use the exit status.
3) Use back-quotes:
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call in the child script (My_child.sh):
echo ${RESULT}
and in the parent do:
CHILD_RESULT = `My_child.sh`
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