On Oct 15, 2014, at 9:38 AM, lorenz.bucher....@rohde-schwarz.com wrote: > Hello, > in refer to > http://lists.gnu.org/archive/html/bug-bash/2014-09/msg00278.html variables > with suffix "%%" can't be set/exported. > This makes problems restoring environments which where saved by external > programs like printenv (see example below) > > I saw this issue on Ubuntu 12.04 with > bash version GNU bash, version 4.2.25(1)-release (x86_64-pc-linux-gnu) > > examples: > > $ foo() { echo "bar"; } > $ export -f foo > $ echo "export BASH_FUNC_foo%%='$(printenv BASH_FUNC_foo%%)'" | tee ./env > export BASH_FUNC_foo%%='() { echo "bar" > }' > $ source ./env > bash: export: `BASH_FUNC_foo%%=() { echo "bar" > }': not a valid identifier > > > $ export BASH_FUNC_foo%%='() { echo "bar"; }' > bash: export: `BASH_FUNC_foo%%=() { echo "bar"; }': not a valid > identifier
Given the changes made for shellshock, I doubt the above will ever work again. Try env | sed 's/^BASH_FUNC_\([^%]*\)%%=/\1/' or echo "export BASH_FUNC_foo%%='$(printenv BASH_FUNC_foo%%)'" | sed 's/^BASH_FUNC_\([^%]*\)%%=/\1/' | tee ./env to strip function descriptors.
