curl --raw
时间: 2023-11-23 10:57:58 浏览: 37
curl是一个命令行工具,用于传输数据。--raw选项告诉curl以原始的方式输出数据,不进行任何转义或格式化。以下是一个curl --raw的例子:
```shell
curl --raw https://www.example.com
```
这将以原始方式输出https://www.example.com的响应数据。
相关问题
curl --help
当您在命令行中输入"curl --help"时,将会显示curl的所有参数和选项,例如:
```
Usage: curl [options...] <url>
--abstract-unix-socket <path> Connect via abstract Unix domain socket
--alt-svc <AltSvcString> Alternate service to connect to
--anyauth Pick any authentication method
-b, --cookie <name=data> Cookie string to send to server(s)
--cookie-jar <file> File to save response cookies to
--create-dirs Create necessary local directory hierarchy
--crlf Convert LF to CRLF in upload
--crlfile <file> Use this CRL file
--data-binary <data> HTTP POST binary data
--data-raw <data> HTTP POST data
--data-urlencode <data> HTTP POST data url encoded
--delegation <LEVEL> GSS-API delegation permission
--digest Use HTTP Digest Authentication
--disable-eprt Inhibit using EPRT or LPRT
--disable-epsv Inhibit using EPSV
--disallow-username-in-url Disallow username in url
-D, --dump-header <file> Write headers to <file>
--egd-file <file> EGD socket path for random data
--engine <name> Crypto engine to use
--expect100-timeout <seconds> How long to wait for 100-continue
--fail-early Fail on first transfer error, do not continue
-f, --fail Fail silently (no output at all) on HTTP errors
--false-start Enable TLS False Start
-F, --form <name=content> Specify multipart MIME data
--form-string <name=string> Specify multipart MIME data
--ftp-account <data> Account data string
--ftp-alternative-to-user <command> String to replace "USER [name]".
--ftp-create-dirs Create the remote dirs if not present
--ftp-method [multicwd/nocwd/singlecwd] Control CWD usage.
--ftp-pasv Use PASV/EPSV instead of PORT
-P, --ftp-port <address> Use PORT with address instead of PASV
--ftp-pret Send PRET before PASV
--ftp-ssl-ccc Send CCC after authenticating
--ftp-ssl-ccc-mode [active/passive] Set CCC mode
--ftp-ssl-control Require SSL/TLS for FTP login, clear for transfer
-G, --get Put the post data in the URL and use GET
--globoff Disable URL sequences and ranges using {} and []
-H, --header <header> Pass custom header(s) to server
-h, --help This help text
--hostpubmd5 <md5> Hex-encoded MD5 string of the host public key. (SSH)
-0, --http1.0 Use HTTP 1.0
--http1.1 Use HTTP 1.1
--http2-prior-knowledge Use HTTP/2 without HTTP/1.1 Upgrade
--http2 Use HTTP 2
-i, --include Include protocol response headers in the output
--insecure Allow insecure server connections when using SSL
-I, --head Show document info only
-j, --junk-session-cookies Ignore session cookies read from file
--keepalive-time <seconds> Interval between keepalive probes
--key <key> Private key file name
--key-type <type> Private key file type (DER/PEM/ENG)
--krb <level> Enable Kerberos with specified security level
--libcurl <file> Dump libcurl equivalent code of this command line
--limit-rate <speed> Limit transfer speed to RATE
-l, --list-only List only mode
--local-port <num> Force use of RANGE for local port numbers
-L, --location Follow redirects
--location-trusted Like --location, and send auth to other hosts
--login-options <options> Server login options
-M, --manual Display the full manual
--mail-from <from> Mail from this address
--mail-rcpt <to> Mail to this/these addresses
--mail-auth <address> Originator address of the original email
--max-filesize <bytes> Maximum file size to download (bytes)
--max-redirs <num> Maximum number of redirects allowed
-m, --max-time <seconds> Maximum time allowed for the transfer
--metalink Process given URLs as metalink XML file
--negotiate Use HTTP Negotiate (SPNEGO) authentication
-n, --netrc Use netrc authentication
--netrc-file <filename> Specify FILE for netrc
-N, --no-buffer Disable buffering of the output stream
--no-keepalive Disable TCP keepalive on the connection
--no-sessionid Disable SSL session-ID reusing
--noproxy <no-proxy-list> Do not use proxy for these hosts/networks
--ntlm Use HTTP NTLM authentication
--oauth2-bearer <token> OAuth 2 Bearer Token
-o, --output <file> Write to file instead of stdout
--pass <phrase> Pass phrase for the private key
--path-as-is Do not squash .. sequences in URL path
--pinnedpubkey <hashes> FILE/HASHES Public key to verify peer against
-p, --proxytunnel Operate through a HTTP proxy tunnel (using CONNECT)
--proto <protocols> Enable/disable specified protocols
--proto-default <protocol> Use this protocol if none is specified
--proto-redir <protocols> Enable/disable specified protocols on redirect
-x, --proxy [protocol://]host[:port] Use this proxy
--proxy-anyauth Pick any proxy authentication method
--proxy-basic Use Basic authentication on the proxy
--proxy-digest Use Digest authentication on the proxy
--proxy-header <header> Pass custom header(s) to proxy
--proxy-ntlm Use NTLM authentication on the proxy
--proxy-service-name <name> SPNEGO proxy service name
--proxy-tlsv1 Use TLSv1 for proxy
--proxy-tlsv1.0 Use TLSv1.0 for proxy
--proxy-tlsv1.1 Use TLSv1.1 for proxy
--proxy-tlsv1.2 Use TLSv1.2 for proxy
--proxy-tlsv1.3 Use TLSv1.3 for proxy
--proxy1.0 Use HTTP/1.0 proxy on given port
-U, --proxy-user <user:password> Proxy user and password
--proxy1.1 Use HTTP/1.1 proxy on given port
--pubkey <key> Public key file name
-Q, --quote Send command(s) to server before transfer
--random-file <file> File for reading random data from
-r, --range <range> Retrieve only the bytes within RANGE
--raw Do HTTP "raw"; no transfer decoding
--remote-header-name Use the header-provided filename
--remote-name-all Use the remote file name for all URLs
-O, --remote-name Write output to a file named as the remote file
--remote-time Set the remote file's time on the local output
--request-target Use this request target instead of the URL
-s, --silent Silent mode (don't output anything)
--socks4 <host[:port]> SOCKS4 proxy on given host + optional port number
--socks4a <host[:port]> SOCKS4a proxy on given host + optional port number
--socks5 <host[:port]> SOCKS5 proxy on given host + optional port number
--socks5-basic Enable username/password auth for SOCKS5 proxies
--socks5-gssapi Enable GSS-API auth for SOCKS5 proxies
--socks5-gssapi-nec Compatibility with NEC SOCKS5 server
--socks5-gssapi-service <name> SOCKS5 proxy service name for GSS-API
--socks5-gssapi-service-principal <name> SOCKS5 proxy service principal for GSS-API
--socks5-gssapi-service-credential <file> SOCKS5 proxy service credential for GSS-API
--socks5-hostname <host[:port]> SOCKS5 proxy, pass host name to proxy
--speed-limit <speed> Stop transfers slower than this
--speed-time <seconds> Trigger 'speed-limit' abort after this time
--ssl Try SSL/TLS
--ssl-reqd Require SSL/TLS
-2, --sslv2 Use SSLv2
-3, --sslv3 Use SSLv3
--stderr <file> Where to redirect stderr
--styled-output Enable styled output for HTTP headers
--suppress-connect-headers Suppress proxy CONNECT response headers
--tcp-fastopen Use TCP Fast Open
--tcp-nodelay Use the TCP_NODELAY option
--tcp-user-timeout <msecs> How long to wait for TCP connect to succeed
-t, --telnet-option <OPT=val> Set telnet option
--tftp-blksize <value> Set TFTP BLKSIZE option
--tftp-no-options Do not send TFTP options requests
-z, --time-cond <time> Transfer based on a time condition
-1, --tlsv1 Use TLSv1.0 or greater
--tlsv1.0 Use TLSv1.0 or greater
--tlsv1.1 Use TLSv1.1 or greater
--tlsv1.2 Use TLSv1.2 or greater
--tlsv1.3 Use TLSv1.3 or greater
-t, --trace <file> Write a debug trace to FILE
--trace-ascii <file> Like --trace, but without the hex output
--trace-time Add time stamps to trace/verbose output
--tr-encoding Request compressed transfer encoding
-T, --upload-file <file> Transfer local FILE to destination
--url <url> URL to work with
-B, --use-ascii Use ASCII/text transfer
-u, --user <user:password> Server user and password
-A, --user-agent <string> Send User-Agent <string> to server
-v, --verbose Make the operation more talkative
-V, --version Show version number and quit
-w, --write-out <format> Use output FORMAT after completion
--xattr Store metadata in extended file attributes
```
这是一个非常详细的curl参数列表,包括了许多高级选项和功能。如果您想深入了解curl的用法和技巧,可以参考官方文档或者其他的curl教程。
curl -s https://raw.githubusercontent.com/ros/rosdistro/master/ros.asc | sudo apt-key add -
### 回答1:
这是一个在终端中执行的命令,用于将ROS软件包的公钥添加到Ubuntu系统的APT密钥库中。具体步骤如下:
1. 打开终端
2. 输入命令:curl -s https://raw.githubusercontent.com/ros/rosdistro/master/ros.asc | sudo apt-key add -
3. 按下回车键执行命令
4. 等待命令执行完成,即可将ROS软件包的公钥添加到系统中。
### 回答2:
这条命令是在 Ubuntu 操作系统中使用的,该命令的作用是从指定 URL 地址下载一个资源,并且使用 sudo 权限将该资源添加到系统的 APT 密钥环中。
在这个具体的例子中,我们可以看到,该命令下载了一个名为 ros.asc 的文件,该文件位于 GitHub 上 rosdistro 项目的主分支上。该文件是 ROS(机器人操作系统)中的一个数字签名文件,用于验证 ROS 软件包的真实性和完整性。
在使用 sudo apt-key add 命令将该文件添加到 APT 密钥环中后,我们就可以信任 ROS 软件包的来源,并可以安全地安装和更新 ROS 软件包。
总之,curl -s https://raw.githubusercontent.com/ros/rosdistro/master/ros.asc | sudo apt-key add - 命令是一个在 Ubuntu 系统中添加 ROS 软件包密钥的命令。该命令执行成功后,就可以保证我们所使用的 ROS 软件包是经过验证和安全的,从而保证了我们的系统的安全性和稳定性。
### 回答3:
这个命令使用了curl工具和apt-key工具,主要目的是将从GitHub上获取的ROS软件包签名添加到本地APT信任列表中。
具体来说,第一部分的“curl -s https://raw.githubusercontent.com/ros/rosdistro/master/ros.asc”是使用curl工具从ROS的GitHub仓库中获取ROS软件包的签名文件ros.asc。该文件包含了ROS软件包的公钥,使得本地的APT包管理器可以验证来自ROS仓库的软件包。
第二部分的“sudo apt-key add -”是使用apt-key工具将ros.asc文件中的公钥添加到本地的APT信任列表中。通过这个操作,本地的APT包管理器就可以从ROS仓库中下载和安装软件包,并保证软件包的来源可信。
总之,这个命令是ROS安装过程中必需的一步,通过添加ROS软件包签名来确保从ROS仓库下载和安装的软件包是正确、可信的。