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[Help-bash] What keys are not allowed in an associative array?


From: Peng Yu
Subject: [Help-bash] What keys are not allowed in an associative array?
Date: Sat, 9 Jun 2018 18:03:31 -0500

I see @ and * are not allowed. Is there anything else that is not allowed?

$ cat ./main.sh
#!/usr/bin/env bash
# vim: set noexpandtab tabstop=2:

set -v
declare -A x=(address@hidden)
declare -A x=([*]=1)
declare -A x=([*a]=1)
$  ./main.sh
declare -A x=(address@hidden)
./main.sh: line 5: address@hidden: invalid associative array key
declare -A x=([*]=1)
./main.sh: line 6: [*]=1: invalid associative array key
declare -A x=([*a]=1)

-- 
Regards,
Peng



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