From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-3.3 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, MAILING_LIST_MULTI,NICE_REPLY_A,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 27086 invoked from network); 10 Apr 2021 16:35:36 -0000 Received: from zero.zsh.org (2a02:898:31:0:48:4558:7a:7368) by inbox.vuxu.org with ESMTPUTF8; 10 Apr 2021 16:35:36 -0000 ARC-Seal: i=1; cv=none; a=rsa-sha256; d=zsh.org; s=rsa-20200801; t=1618072536; b=JuY49R3F1+ZiWrXvU2gau1t/LcOwmA/5mhQnssvyjGJrx6qwBzFkZRFJjCy9RBoDC5kzA6T7hG HYt8RGYK+l+2YKn8SlSsJy3v83kOyJArWxwiPhIk6m7w4hklGKNuwvomXo9y5gW2N8aFnDoIQx hMXx7bvD18ZriX7QrHd4xwX8rDhwUQpYBcVuALf6XHhxRbd2pwwwnMqP/jFjCs3G7UwkSD/N1y sCfIyzXSEDm/tB3ogbI7vjU4G09KFUfzzvL5OmVevO7i1dxFNoVqoLdbQ0V5JcHeueQVV16E85 U/qtHeTMvky6b+1l/xokRSPejyShJBnGK0V9xzOtzqxe4Q==; ARC-Authentication-Results: i=1; zsh.org; iprev=pass (tncsrv06.tnetconsulting.net) smtp.remote-ip=45.33.28.24; dkim=pass header.d=tnetconsulting.net header.s=2019 header.a=rsa-sha256; dmarc=pass header.from=tnetconsulting.net; arc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed; d=zsh.org; s=rsa-20200801; t=1618072536; bh=5tjHNmJbMicr2OMTOmzf/VFTuQHJard0Sz8K9ZwgfBc=; h=List-Archive:List-Owner:List-Post:List-Unsubscribe:List-Subscribe:List-Help: List-Id:Sender:Content-Type:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:DKIM-Signature:DKIM-Signature; b=gw4kSchu2+SxnRuX+rl51i9+T1Q1+hPyfZE45iFmrzX1d2/aR1ThLhDGlaGqyh/889e8qW+ONv VsM80eZ57tfT0zvwma5cuHPEVM6PEPLsSxF0zwyxq706W3n7JrOHH+JLrc7XJMTSRj2TDiBB2t zZK2gWB2ciek1FQCbCtNeoD+0JzW97uUoA2utdKNIZ79+0Zefnujfdfnkl/sd8PdGOvwJtlWVc Ty6lNYBuyRSYk6stQApXeMD0or0u9IYEdRb3DZKx2Tu7JTsKze3rfbeXovbzuxr2L2GH/Dp9K1 l/CRrAMbeKJbMkMXLH6RwtSFfsWZw+xM0O4h6dxEmS8gxw==; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=zsh.org; s=rsa-20200801; h=List-Archive:List-Owner:List-Post:List-Unsubscribe: List-Subscribe:List-Help:List-Id:Sender:Content-Type:In-Reply-To:MIME-Version :Date:Message-ID:From:References:To:Subject:Reply-To:Cc: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID; bh=tRuprKH3mGDQYlIiJWUnkcu0eCaC43aKgTOrsY2IZVU=; b=vqBsjb3MrucW4g9sWQEDnE5WQo tTdNi0WKsOALjzI11Rr4BKGFhR1gmF+91ChW5ECoQpBwd1VAlOtJ22v+Yf0oa82ZdaiJ/hh8Nme/t Gd1LC7VkZxqbqW+eSaDUYBvhTa4ht6x6vjBp0y+LWP0C+dSNKOgHuBAZuac2yTvBiyTvsPSr4GbZW W4Eu0BydOxZKej/e0SON2SSRZMrwjXAvujH6oNjA+HC7GW0WKOEn9AXH40sZNHIwfoZQE5Hav24fK JveE4mTkjy6lb7lr9lImqlG/33wKe5jwwjf7m/zETeXj5DedbqbkOKijxuT5/FwukzXOn85HVu/R1 s+YiVjng==; Received: from authenticated user by zero.zsh.org with local id 1lVGa8-000OuR-0h; Sat, 10 Apr 2021 16:35:36 +0000 Authentication-Results: zsh.org; iprev=pass (tncsrv06.tnetconsulting.net) smtp.remote-ip=45.33.28.24; dkim=pass header.d=tnetconsulting.net header.s=2019 header.a=rsa-sha256; dmarc=pass header.from=tnetconsulting.net; arc=none Received: from tncsrv06.tnetconsulting.net ([45.33.28.24]:60312) by zero.zsh.org with esmtps (TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256) id 1lVGZ9-000OGA-6B; Sat, 10 Apr 2021 16:34:35 +0000 Received: from Contact-TNet-Consulting-Abuse-for-assistance by tncsrv06.tnetconsulting.net (8.15.2/8.15.2/Debian-3) with ESMTPSA id 13AGYXDl016768 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Sat, 10 Apr 2021 11:34:33 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=tnetconsulting.net; s=2019; t=1618072474; bh=5tjHNmJbMicr2OMTOmzf/VFTuQHJard0Sz8K9ZwgfBc=; h=Subject:To:References:From:Message-ID:Date:User-Agent: MIME-Version:In-Reply-To:Content-Type:Cc:Content-Disposition: Content-Language:Content-Transfer-Encoding:Content-Type:Date:From: In-Reply-To:Message-ID:MIME-Version:References:Reply-To: Resent-Date:Resent-From:Resent-To:Resent-Cc:Sender:Subject:To: User-Agent; b=3ytUWVBV8G051PNqrttLYyyq7iO0jUn21gvMGhDR97x2qNmllYFTMkWif/4N8TiUn 0ibXvBPKkl2BTYSLiKUMpctMxun/ko/hCpwj8ioZvHg4Hh17/n5Pgk/eKmeaFmHDRx IyWaVH8LmZJ0+wGeYlNUMmNxuMQbq1EyAnlgxZYQ= Subject: Re: alias with a parameter To: zsh-users@zsh.org References: <20210407070518.szoet4rxbouwzelm@chazelas.org> <2902540a-9c07-4423-b0bb-6802af6e97a2@www.fastmail.com> <48bef9cb-fea7-1a17-96b1-dd4ae7bf54aa@spamtrap.tnetconsulting.net> <20210409224930.GB6760@tarpaulin.shahaf.local2> From: Grant Taylor Organization: TNet Consulting Message-ID: Date: Sat, 10 Apr 2021 10:34:36 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.9.0 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="------------ms020301020805070808050008" X-Seq: 26648 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: This is a cryptographically signed message in MIME format. --------------ms020301020805070808050008 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 4/10/21 10:30 AM, Grant Taylor wrote: > Why use "$+1"?=C2=A0 I would have thought to use "$#" instead. I found the answer to my own question. man zshexpn ${+name} If name is the name of a set parameter `1' is substituted,=20 otherwise `0' is substituted. This also avoids ticking the number of parameters bug introduced by $#. I always end up learning something from or as a direct result of reading = messages from this list. :-) --=20 Grant. . . . unix || die --------------ms020301020805070808050008 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCC CzkwggUhMIIECaADAgECAhA/wgXwQl9mDHSg5enGHBeSMA0GCSqGSIb3DQEBCwUAMIGWMQsw CQYDVQQGEwJHQjEbMBkGA1UECBMSR3JlYXRlciBNYW5jaGVzdGVyMRAwDgYDVQQHEwdTYWxm b3JkMRgwFgYDVQQKEw9TZWN0aWdvIExpbWl0ZWQxPjA8BgNVBAMTNVNlY3RpZ28gUlNBIENs aWVudCBBdXRoZW50aWNhdGlvbiBhbmQgU2VjdXJlIEVtYWlsIENBMB4XDTIwMTExNjAwMDAw MFoXDTIxMTExNjIzNTk1OVowKzEpMCcGCSqGSIb3DQEJARYaZ3RheWxvckB0bmV0Y29uc3Vs dGluZy5uZXQwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDM6cGNMlSUFPM3zVw+ VgSslz2QRtMj+FerQ0DpmgbhUzqm5hMRe0hMA2OBf41HDAeOV0RKcLx2+HozHlyQST2xagOX xiv91aEXezh8bEBfnOI564Ej/JfusomfoM7ByVXcLp3K3fOssHos6IXiAD6WT+jcRs7Cg+Gl bYyoDLDLXw4i/N+YRcp3JrwT+4g/i//wAea1qTEd+ZnfcqtvCHaiJrr16xEpzuraLcmH5qtN /c+5kkRN3zpJvQvPX7fMBdxiSjb/cb070DC1RIO+THkhQqJ4bxHhrwcvC5RME0iwnSo52a/i FSNzciw/SM37F5tMTjDs+F6iUT85K2IWyGkpAgMBAAGjggHTMIIBzzAfBgNVHSMEGDAWgBQJ wPL8C9qU21/+K9+omULPyeCtADAdBgNVHQ4EFgQU9SQ1EWwdWU0yBrPcbiR81rwNThUwDgYD VR0PAQH/BAQDAgWgMAwGA1UdEwEB/wQCMAAwHQYDVR0lBBYwFAYIKwYBBQUHAwQGCCsGAQUF BwMCMEAGA1UdIAQ5MDcwNQYMKwYBBAGyMQECAQEBMCUwIwYIKwYBBQUHAgEWF2h0dHBzOi8v c2VjdGlnby5jb20vQ1BTMFoGA1UdHwRTMFEwT6BNoEuGSWh0dHA6Ly9jcmwuc2VjdGlnby5j b20vU2VjdGlnb1JTQUNsaWVudEF1dGhlbnRpY2F0aW9uYW5kU2VjdXJlRW1haWxDQS5jcmww gYoGCCsGAQUFBwEBBH4wfDBVBggrBgEFBQcwAoZJaHR0cDovL2NydC5zZWN0aWdvLmNvbS9T ZWN0aWdvUlNBQ2xpZW50QXV0aGVudGljYXRpb25hbmRTZWN1cmVFbWFpbENBLmNydDAjBggr BgEFBQcwAYYXaHR0cDovL29jc3Auc2VjdGlnby5jb20wJQYDVR0RBB4wHIEaZ3RheWxvckB0 bmV0Y29uc3VsdGluZy5uZXQwDQYJKoZIhvcNAQELBQADggEBABWLZrz0NricNKP3jS03B7lH KNfBetFHWlaarCghIjhyA3yoXizPMP1wsY+ARMT22BKNVmLlP1CvDoLuEQbThvT5hRa7HPc2 2yVX6MkgSZByW2xrkhKGAIdtl+mELX27GZM+xe+k84OO1hA0Egyha2gg0UWlAiTGkIYjNLg0 6zg1QP7Bj4P/19hbi8Z9FFu38CztkgKZPSKMV3kPxZopa/mOWOQXxHcs03Ph/qnwj5HfkeWI WE7TARmmU7w8AoxEONC1tB6bsdX3M+4YVbgwgiihhiVGflHfGI4bgKkuN4sqesRnX8C9mvv5 o7dYJe4kKuv0ZeIj8x1Hh2PGvn7GuRgwggYQMIID+KADAgECAhBNlCwQ1DvglAnFgS06KwZP MA0GCSqGSIb3DQEBDAUAMIGIMQswCQYDVQQGEwJVUzETMBEGA1UECBMKTmV3IEplcnNleTEU MBIGA1UEBxMLSmVyc2V5IENpdHkxHjAcBgNVBAoTFVRoZSBVU0VSVFJVU1QgTmV0d29yazEu MCwGA1UEAxMlVVNFUlRydXN0IFJTQSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTAeFw0xODEx MDIwMDAwMDBaFw0zMDEyMzEyMzU5NTlaMIGWMQswCQYDVQQGEwJHQjEbMBkGA1UECBMSR3Jl YXRlciBNYW5jaGVzdGVyMRAwDgYDVQQHEwdTYWxmb3JkMRgwFgYDVQQKEw9TZWN0aWdvIExp bWl0ZWQxPjA8BgNVBAMTNVNlY3RpZ28gUlNBIENsaWVudCBBdXRoZW50aWNhdGlvbiBhbmQg U2VjdXJlIEVtYWlsIENBMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyjztlApB /975Rrno1jvm2pK/KxBOqhq8gr2+JhwpKirSzZxQgT9tlC7zl6hn1fXjSo5MqXUfItMltrMa XqcESJuK8dtK56NCSrq4iDKaKq9NxOXFmqXX2zN8HHGjQ2b2Xv0v1L5Nk1MQPKA19xeWQcpG EGFUUd0kN+oHox+L9aV1rjfNiCj3bJk6kJaOPabPi2503nn/ITX5e8WfPnGw4VuZ79Khj1YB rf24k5Ee1sLTHsLtpiK9OjG4iQRBdq6Z/TlVx/hGAez5h36bBJMxqdHLpdwIUkTqT8se3ed0 PewDch/8kHPo5fZl5u1B0ecpq/sDN/5sCG52Ds+QU5O5EwIDAQABo4IBZDCCAWAwHwYDVR0j BBgwFoAUU3m/WqorSs9UgOHYm8Cd8rIDZsswHQYDVR0OBBYEFAnA8vwL2pTbX/4r36iZQs/J 4K0AMA4GA1UdDwEB/wQEAwIBhjASBgNVHRMBAf8ECDAGAQH/AgEAMB0GA1UdJQQWMBQGCCsG AQUFBwMCBggrBgEFBQcDBDARBgNVHSAECjAIMAYGBFUdIAAwUAYDVR0fBEkwRzBFoEOgQYY/ aHR0cDovL2NybC51c2VydHJ1c3QuY29tL1VTRVJUcnVzdFJTQUNlcnRpZmljYXRpb25BdXRo b3JpdHkuY3JsMHYGCCsGAQUFBwEBBGowaDA/BggrBgEFBQcwAoYzaHR0cDovL2NydC51c2Vy dHJ1c3QuY29tL1VTRVJUcnVzdFJTQUFkZFRydXN0Q0EuY3J0MCUGCCsGAQUFBzABhhlodHRw Oi8vb2NzcC51c2VydHJ1c3QuY29tMA0GCSqGSIb3DQEBDAUAA4ICAQBBRHUAqznCFfXejpVt MnFojADdF9d6HBA4kMjjsb0XMZHztuOCtKF+xswhh2GqkW5JQrM8zVlU+A2VP72Ky2nlRA1G wmIPgou74TZ/XTarHG8zdMSgaDrkVYzz1g3nIVO9IHk96VwsacIvBF8JfqIs+8aWH2PfSUrN xP6Ys7U0sZYx4rXD6+cqFq/ZW5BUfClN/rhk2ddQXyn7kkmka2RQb9d90nmNHdgKrwfQ49mQ 2hWQNDkJJIXwKjYA6VUR/fZUFeCUisdDe/0ABLTI+jheXUV1eoYV7lNwNBKpeHdNuO6Aacb5 33JlfeUHxvBz9OfYWUiXu09sMAviM11Q0DuMZ5760CdO2VnpsXP4KxaYIhvqPqUMWqRdWyn7 crItNkZeroXaecG03i3mM7dkiPaCkgocBg0EBYsbZDZ8bsG3a08LwEsL1Ygz3SBsyECa0waq 4hOf/Z85F2w2ZpXfP+w8q4ifwO90SGZZV+HR/Jh6rEaVPDRF/CEGVqR1hiuQOZ1YL5ezMTX0 ZSLwrymUE0pwi/KDaiYB15uswgeIAcA6JzPFf9pLkAFFWs1QNyN++niFhsM47qodx/PL+5jR 87myx5uYdBEQkkDc+lKB1Wct6ucXqm2EmsaQ0M95QjTmy+rDWjkDYdw3Ms6mSWE3Bn7i5Zgt wCLXgAIe5W8mybM2JzGCBDIwggQuAgEBMIGrMIGWMQswCQYDVQQGEwJHQjEbMBkGA1UECBMS R3JlYXRlciBNYW5jaGVzdGVyMRAwDgYDVQQHEwdTYWxmb3JkMRgwFgYDVQQKEw9TZWN0aWdv IExpbWl0ZWQxPjA8BgNVBAMTNVNlY3RpZ28gUlNBIENsaWVudCBBdXRoZW50aWNhdGlvbiBh bmQgU2VjdXJlIEVtYWlsIENBAhA/wgXwQl9mDHSg5enGHBeSMA0GCWCGSAFlAwQCAQUAoIIC VzAYBgkqhkiG9w0BCQMxCwYJKoZIhvcNAQcBMBwGCSqGSIb3DQEJBTEPFw0yMTA0MTAxNjM0 MzZaMC8GCSqGSIb3DQEJBDEiBCAzvpIULIh4MwhyR3KGKOz9qIFWhnZSGIaxeSixHueXOTBs BgkqhkiG9w0BCQ8xXzBdMAsGCWCGSAFlAwQBKjALBglghkgBZQMEAQIwCgYIKoZIhvcNAwcw DgYIKoZIhvcNAwICAgCAMA0GCCqGSIb3DQMCAgFAMAcGBSsOAwIHMA0GCCqGSIb3DQMCAgEo MIG8BgkrBgEEAYI3EAQxga4wgaswgZYxCzAJBgNVBAYTAkdCMRswGQYDVQQIExJHcmVhdGVy IE1hbmNoZXN0ZXIxEDAOBgNVBAcTB1NhbGZvcmQxGDAWBgNVBAoTD1NlY3RpZ28gTGltaXRl ZDE+MDwGA1UEAxM1U2VjdGlnbyBSU0EgQ2xpZW50IEF1dGhlbnRpY2F0aW9uIGFuZCBTZWN1 cmUgRW1haWwgQ0ECED/CBfBCX2YMdKDl6cYcF5Iwgb4GCyqGSIb3DQEJEAILMYGuoIGrMIGW MQswCQYDVQQGEwJHQjEbMBkGA1UECBMSR3JlYXRlciBNYW5jaGVzdGVyMRAwDgYDVQQHEwdT YWxmb3JkMRgwFgYDVQQKEw9TZWN0aWdvIExpbWl0ZWQxPjA8BgNVBAMTNVNlY3RpZ28gUlNB IENsaWVudCBBdXRoZW50aWNhdGlvbiBhbmQgU2VjdXJlIEVtYWlsIENBAhA/wgXwQl9mDHSg 5enGHBeSMA0GCSqGSIb3DQEBAQUABIIBAFSzW6DklqqDcXuq3TT1cFsMX1Qv9ms6Y5o9eQCj fPCMSmxHTQObGevMEPk0Xj3puqwETFkV1z+mBxMEtY0YrwaFioAFbr8kHdo1N6mhaE+T7ftY ma0fG8iFtyYh4UMX1IrxSoB6r+Jjkd+ap7S9EVNAUtzKT7uYnkf5Gk1QZrpMpeljhEzadHNf YyGZllBICTLVq0uhDPLU7ELx/K7O2gcRtugwbXGm6ebOm1IReMFks63vPdAfe0vQcwfRi+Vx 9nK4dPSujpfz57wcEveCoitUVm9GL1DVQbaFcuC/PjWCm0B/PP1uslra0JJLEbUSA6oJ8zSg ppqEEjcORxd0gyoAAAAAAAA= --------------ms020301020805070808050008--