Harrison-bergeron.txt: ASCII text Show MIME Type Strings
We can pass this as an argument after invoking the file command with the -f option, like so: $ file -f test.txt Here is an example file containing a list of filenames which we will pass to the file command. The list should be filenames, one per line. You can provide a file containing a list of files to be analyzed by using the -f (-file-from) option. NOTE: Please note that the output still shows the name of the link instead of the referenced file. You can provide the -L (-dereference) option to follow the symlink and analyze the file it is pointed to. etc/redhat-release: symbolic link to fedora-release Here is an example: $ file /etc/redhat-release $ file Desktop/*ĭesktop/Untitled Document 1: VISX image file Follow Symlinks to Analyze Fileīy default the file command will not follow a symbolic link, it will merely tell you that the argument your provided is a link. You can also use a wildcard to analyze all of the files of a directory. $ file dict.gif countdown.sh harrison-bergeron.txtĭict.gif: GIF image data, version 89a, 1150 x 632Ĭountdown.sh: Bourne-Again shell script, ASCII text executable Here is an example of analyzing multiple files at once. To do this, simple list them separated by a blank space. It is also possible to analyze several files simultaneously. The output generated by the file command is the file name followed by it's type. You simply invoke the command followed by the name of the file you want to analyze. The basic usage of the file command is very simple. In Linux files are not required to have an extension and using the file command is an efficient way to determine type of a file.
#Command line find file type linux windows#
Other operating systems like Windows use a file extension to determine the file type (i.e. To achieve this it analyzes the header, magic number and the contents of the file. The Linux file command is used to determine the type of a file.
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