Wget Cheatsheet

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Wget Cheatsheet

December 9, 2015 | Article | No Comments

Wget, some one you might familiar with this tools. Wget is among many common UNIX applications that come installed with various distrubution.

Wget is non-interactive network downloader. It can retrieves files from a server using HTTP, HTTPS, and FTP protocols, as well as retrieval through HTTP proxies. The non-interactive means it will work in the background, even after having logged off (well, it’s different story if you shut the machine down).

This article is more like a cheatsheet. In this article I resume some useful syntax to download content from web using wget.

Basic Syntax

This is the very basic usage for wget.

wget [options]... [URL]...

Download a File

This is the simple and basic way to download a file. Suppose we want to download a image file (thefile.jpg) from www.website.net using http protocol:

wget http://www.website.net/thefile.jpg

If  it is under a directory (for example dir):

wget http://www.website.net/dir/thefile.jpg

Download File with Quotes

Download a file whose URL contains “&”, for example:

wget "http://www.website.net/index.php?page=download&user=xathrya"

Download File and All Related

Download a file and all related files for optimum viewing

wget -p http://www.website.net/index.html

Download an Entire Website

Also known as recursive downloading. This will performs a recursive action, traverse every file and folder from given address and download them all.

wget -r http://www.website.net/

Mirror an Entire Web

Similar to previous, but this will do mirroring.

wget --mirror -p --convert-links -P ./wheretosave http://www.website.net/

Ignore File Type Specific

Using this, wget will reject a specific file type during download.

wget --reject=<extension> http://www.website.net/

Resume a Download

Download is unsuccessful? Or something interrupting? Let’s continue the download progress.

wget -c http://www.website.net/largefile.rar

Specify the Name of a File after Download

Specify or Rename download file after it’s complete. For example:

wget -O newname.zip http://www.website.net/downloads/archieved?id=123456

Masks User-Agent to Download

Masks user-agent while downloading. The term masking means it will use different identity / user-agent when it is asked. An example:

wget --user-agent="Mozilla/15.0.1 (X11; U; Linux x128; en-US; rv:1.9.1) Gecko/2015092515 Firefox/15.0.3" \

Limit Download Speed

wget -limit-rate=30k http://www.website.net/a_file_here.png

Stop Download After Certain Size

This command will stop download process at a specific file size, ie 10MB. (This quota will not get effect when you do a download a single URL. That is irrespective of the quota size everything will get downloaded when you specify a single file. This quota is applicable only for recursive downloads).

wget -Q10m -i http://www.website.net/

The quota will be in bytes if no suffix (ie. -Q10 means 10 bytes). Acceptable suffixes: k for kilobytes, m for megabytes.

Use a File Containing Download Addresses

Suppose we have save a list of file we want to download, this command will come in handy. For each line, should be one address.

wget -r -l 1 -H -t 1 -nd -N -np -a .mp3 erobots=download-list.txt

Increase Download Retries

You can specify how many times wget will tries to download if the download fails before it gives up.

wget --tries=75 http://www.website.net/a_file_here.zip

Make Links automatically convert to support Pages

Links will be automatically converted to a local consultation pages.

wget -k http://www.website.net/

Use FTP Authentication to Download

Download a file via ftp with authentication

wget -r -l 4 ftp://username:[email protected]/

Download in Background

Make download process in the background with a log output.

wget -b http://www.website.net/a_file_here.ogg

Log Wget to a Specific File

Use a file instead of stderr for log error message

wget -o download.log http://www.website.net/

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