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如何取消readonly??
readonly: readonly [-anf] [name ...] or readonly -p
The given NAMEs are marked readonly and the values of these NAMEs may
not be changed by subsequent assignment. If the -f option is given,
then functions corresponding to the NAMEs are so marked. If no
arguments are given, or if `-p' is given, a list of all readonly names
is printed. An argument of `-n' says to remove the readonly property
from subsequent NAMEs. The `-a' option means to treat each NAME as
an array variable. An argument of `--' disables further option
processing. |
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