wallet passphrase caracters scape

[myusuario]

Hi i encrypt my wallet but now i can´t unloock the wallet, i guess is something bad with caracters scape here is my shell story

Code:

4 12:52:28 PM BRT : ./bitcoind walletpassphrasechange["a","b"]\n
  208  Thu 20 Feb 2014 12:52:35 PM BRT : ./bitcoind walletpassphrasechange["a","b"]
  209  Thu 20 Feb 2014 12:52:48 PM BRT : ./bitcoind walletpassphrasechange ["a","b"]
  210  Thu 20 Feb 2014 12:52:54 PM BRT : ./bitcoind walletpassphrasechange ["a","b"]\n
  211  Thu 20 Feb 2014 12:53:23 PM BRT : ./bitcoind walletpassphrasechange ["a"] ["b"]\n
  212  Thu 20 Feb 2014 12:55:12 PM BRT : ./bitcoind walletpassphrasechange ["a"] ["c"]\n
  213  Thu 20 Feb 2014 12:55:21 PM BRT : ./bitcoind walletpassphrasechange ["b"] ["c"]\n
  214  Thu 20 Feb 2014 12:55:35 PM BRT : ./bitcoind walletpassphrasechange ["a"] ["c"]\n
  214  Thu 20 Feb 2014 12:55:35 PM BRT : ./bitcoind walletpassphrasechange ["a"] [".%q!0,q696324/98j11233"]\n

i try several times all the posibilites with errors.

When i try

Code:

 ./bitcoind walletpassphrasechange [".%q!0,q696324/98j11233"] ["a"]\n

i get -bash: !0: event not found

Please help

[kjj]

Code:

./bitcoind walletpassphrasechange '[".%q!0,q696324/98j11233"]' ["a"]\n

Also, stop that.