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charset="UTF-8" X-ClientProxiedBy: HE1PR0202CA0034.eurprd02.prod.outlook.com (2603:10a6:3:e4::20) To AM6PR02MB5638.eurprd02.prod.outlook.com (2603:10a6:20b:e9::19) X-Microsoft-Original-Message-ID: MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from mail-lf1-f53.google.com (209.85.167.53) by HE1PR0202CA0034.eurprd02.prod.outlook.com (2603:10a6:3:e4::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3326.19 via Frontend Transport; Sat, 29 Aug 2020 17:28:55 +0000 Received: by mail-lf1-f53.google.com with SMTP id j15so1333181lfg.7 for ; Sat, 29 Aug 2020 10:28:55 -0700 (PDT) X-Gm-Message-State: AOAM530PLAqfJJue1J2I4r0z9v0Tj6M4pXzn4Z5+NW0423pe9ysu8OYT RKiWmzb4vQ+FoRnkXQXCDUynrLQnGlMWvovmPYY= X-Google-Smtp-Source: ABdhPJy/Z/sIyOdLEVg3FRtrKm3CLIT7iwCaVU3Sr3fnf0AQo60/CHA9I6rF62TQg0uypJOn7/CrwsrAUcrB3GaIRtE= X-Received: by 2002:a17:906:eb4f:: with SMTP id mc15mr4290790ejb.435.1598721677712; Sat, 29 Aug 2020 10:21:17 -0700 (PDT) X-Gmail-Original-Message-ID: X-Microsoft-Original-Message-ID: X-TMN: [RC/p5QQRLXwPFwZ8OSwoSsLBYVXrAn3p] X-MS-PublicTrafficType: Email X-IncomingHeaderCount: 55 X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-Correlation-Id: 6c6c7d1d-030f-4062-d47c-08d84c410181 X-MS-TrafficTypeDiagnostic: HE1EUR04HT022: X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: paX9SaL25Rwd7/nkjzPtevkx9qLNK3290pfC5imgQKiYilpQI3Kt8j+lBeN3WPVnnGdhpZqagRA76xnyW1v3elm7OdIzFN1kl5ID/aNkVpHJONuB4h9B/1zcmufx/ipf5p1oWxt6lPqrdHs2zMVvjporapdmLUDG+rPm9E1FYjNK5d/0fd9gt+QkrevraovAekiGhd2TDRTfeQ4NH5VAJw== X-MS-Exchange-AntiSpam-MessageData: AIapCfKByQCqVMd4sT4Ft/ZQ5f4mqO31TOggHeg/iYV9r9aKK242K1YP0b1bkzPHN5Yv2bLVTjl82XNML78yIvFT4ZDfvt//+iGIEYw81SXSRFqTmLBhIMF1PQIOz1AJwSmvmu3nIGekdu8VPPTYPQ== X-OriginatorOrg: live.com X-MS-Exchange-CrossTenant-Network-Message-Id: 6c6c7d1d-030f-4062-d47c-08d84c410181 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Aug 2020 17:28:55.8114 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa X-MS-Exchange-CrossTenant-AuthSource: HE1EUR04FT063.eop-eur04.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: Internet X-MS-Exchange-CrossTenant-RMS-PersistedConsumerOrg: 00000000-0000-0000-0000-000000000000 X-MS-Exchange-Transport-CrossTenantHeadersStamped: HE1EUR04HT022 X-Seq: 26045 Archived-At: X-Loop: zsh-users@zsh.org Errors-To: zsh-users-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-users-request@zsh.org X-no-archive: yes List-Id: List-Help: List-Subscribe: List-Unsubscribe: List-Post: List-Owner: List-Archive: Archived-At: > how can I detect if a given command has a completion function, from within another function? > I want to loop over many commands quickly, so I want to avoid resorting to searching directories with find if possible. > > The reason I need this capability is to help with a function I've written for cleaning up .zshrc files. > I tend to collect lots of "compdef _gnu_generic cmd1 cmd2..." lines in my .zshrc, but many of the commands flagged for completion with _gnu_generic are not present on other systems where I install the same .zshrc. You can use the `$_comps` array which controls which completion function is assigned to a command. For example, the completion function for `ls` is `_ls`: $ echo $_comps[ls] _ls And so on Marc