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#!/usr/bin/env cat
# Push, Encodes arrays correctly as strings with Posix Shell only.
# Meaning we can use this script in any Posix shell (bash, zsh, ksh, dash, ...).
#
# taken from: https://github.com/vaeth/push/blob/main/bin/push.sh
Push() {
case $1 in
-c)
PushA_=
shift;;
*)
eval PushA_=\$$1;;
esac
PushB_=$1
shift
for PushE_
do [ -z "${PushA_:++}" ] || PushA_="$PushA_ "
unset PushF_
case ${PushE_:-=} in
[=~]*)
PushF_=false;;
esac
PushC_=$PushE_
while PushD_=${PushC_%%\'*}
do if ${PushF_-:} && case $PushD_ in
*[!-+=~@%/:.,_0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ]*)
false;;
esac
then PushA_=$PushA_$PushD_
else PushA_="$PushA_'$PushD_'"
unset PushF_
fi
[ x"$PushD_" = x"$PushC_" ] && break || \
PushA_=$PushA_\\\'
PushC_=${PushC_#*\'}
done
done
eval "$PushB_=\$PushA_
unset PushA_ PushB_ PushC_ PushD_ PushE_
[ -n \"\${$PushB_:++}\" ]" || return 1
}
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