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159dbe1fb1
* correct formatting of synopsis * improve description of TCP SACK configuration Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
63 lines
1.3 KiB
ReStructuredText
63 lines
1.3 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0+:
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wget command
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============
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Synopsis
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--------
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::
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wget address [[hostIPaddr:]path]
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Description
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-----------
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The wget command is used to download a file from an HTTP server.
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wget command will use HTTP over TCP to download files from an HTTP server.
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Currently it can only download image from an HTTP server hosted on port 80.
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address
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memory address for the data downloaded
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hostIPaddr
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IP address of the HTTP server, defaults to the value of environment
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variable *serverip*
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path
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path of the file to be downloaded.
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Example
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-------
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In the example the following steps are executed:
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* setup client network address
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* download a file from the HTTP server
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::
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=> setenv autoload no
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=> dhcp
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BOOTP broadcast 1
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*** Unhandled DHCP Option in OFFER/ACK: 23
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*** Unhandled DHCP Option in OFFER/ACK: 23
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DHCP client bound to address 192.168.1.105 (210 ms)
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=> wget ${loadaddr} 192.168.1.254:/index.html
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HTTP/1.0 302 Found
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Packets received 4, Transfer Successful
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Configuration
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-------------
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The command is only available if CONFIG_CMD_WGET=y.
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TCP Selective Acknowledgments can be enabled via CONFIG_PROT_TCP_SACK=y.
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This will improve the download speed.
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Return value
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------------
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The return value $? is 0 (true) on success and 1 (false) otherwise.
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