Do this and your computer will download all files listed in the text document, which is handy if you want to leave a bunch of downloads running overnight. We could go on: wget offers a lot of options. But this tutorial is just intended to give you a launching off point. To learn more about what wget can do, type man wget in the terminal and read what comes up. You can look into downloading PHP source , or setting up an automated downloader , if you want to get more advanced.
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You can set up an input file to download from many different sites. Open a file using your favorite editor or the cat command and list the sites or links to download from on each line of the file.
Save the file, and then run the following wget command:. Apart from backing up your website or finding something to download to read offline, it is unlikely that you will want to download an entire website. You are more likely to download a single URL with images or download files such as zip files, ISO files , or image files. With that in mind, you don't have to type the following into the input file as it is time consuming:.
If you know the base URL is the same, specify the following in the input file:. You can then provide the base URL as part of the wget command, as follows:. If you set up a queue of files to download in an input file and you leave your computer running to download the files, the input file may become stuck while you're away and retry to download the content.
You can specify the number of retries using the following switch:. Use the above command in conjunction with the -T switch to specify a timeout in seconds, as follows:. The above command will retry 10 times and connect for 10 seconds for each file link. To use wget to retry from where it stopped downloading, use the following command:.
If you hammer a server, the host might not like it and might block or kill your requests. You can specify a waiting period to specify how long to wait between each retrieval, as follows:. The above command waits 60 seconds between each download.
This is useful if you download many files from a single source. Some web hosts might spot the frequency and block you.
You can make the waiting period random to make it look like you aren't using a program, as follows:. Many internet service providers apply download limits for broadband usage, especially for those who live outside of a city. You may want to add a quota so that you don't go over your download limit. You can do that in the following way:. The -q command won't work with a single file. If you download a file that is 2 gigabytes in size, using -q m doesn't stop the file from downloading.
The quota is only applied when recursively downloading from a site or when using an input file. Some sites require you to log in to access the content you wish to download. Use the following switches to specify the username and password.
On a multi-user system, when someone runs the ps command, they can see your username and password. By default, the -r switch recursively downloads the content and creates directories as it goes. To get all the files to download to a single folder, use the following switch:.
The opposite of this is to force the creation of directories, which can be achieved using the following command:. If you want to download recursively from a site, but you only want to download a specific file type such as an MP3 or an image such as a PNG, use the following syntax:. The reverse of this is to ignore certain files. Perhaps you don't want to download executables. In this case, use the following syntax:.
There is a Firefox add-on called cliget. To add this to Firefox:. Click the install button when it appears, and then restart Firefox. It has many more options and multiple combinations to achieve a specific task. You can also find the wget manual here in webpage format. Redirecting Output The -O option sets the output file name. Downloading in the background. If you want to download a large file and close your connection to the server you can use the command: wget -b url Downloading Multiple Files If you want to download multiple files you can create a text file with the list of target files.
You would then run the command: wget -i filename. To do this use the --limit-rate option. Downloading in the background If you want to download in the background use the -b option. An example of how this command will look when checking for a list of files is: wget --spider -i filename. Example: -P downloaded --convert-links This option will fix any links in the downloaded files.
For example, it will change any links that refer to other files that were downloaded to local ones. You would use this to set your user agent to make it look like you were a normal web browser and not wget.
Using all these options to download a website would look like this: wget --mirror -p --convert-links -P. Was this article helpful? Yes No. This option is necessary if you want all additional files necessary to view the page such as CSS files and images.
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