Thomas Kellerer <spam_eater@gmx.net> writes:
> Tom Lane schrieb am 13.12.2016 um 18:02:
>> These cases work for me. Maybe your shell is doing something weird
>> with the quotes?
> Hmm, that's the default bash from CentOS 6 (don't know the exact version)
I'm using bash from current RHEL6, should be the same.
I'm suspicious that you're not actually typing plain-ASCII single and
double quotes, but some fancy curly quote character.
regards, tom lane