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# Shared functions for ucf and ucfr
vset() {
# Value Doc_string
if [ -z "$1" ]; then
echo >&2 "$progname: Unable to determine $2"
exit 1
else
if [ -n "$VERBOSE" ]; then
echo >&2 "$progname: $2 is $1"
fi
printf '%s' "$1"
fi
}
withecho () {
echo "$@" >&2
"$@"
}
escape_bre () {
printf '%s' "$1" | sed -e 's#[.[\*^$]#\\&#g'
}