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Ftype

Displays or modifies file types used in file name extension associations. Used without parameters, ftype displays the file types that have open command strings defined.

Syntax

Ftype [FileType[=[OpenCommandString]]]

Parameters

FileType   : Specifies the file type you want to display or change.

OpenCommandString   : Specifies the open command to use when opening files of this type.

/?   : Displays help at the command prompt.

Remarks

  • Within an OpenCommandString, ftype substitutes the following variables:

    • %0 or %1 are replaced with the file name that you want to open.

    • %* is replaced with all of the parameters.

    • %~ n is replaced with all of the remaining parameters, starting with the nth parameter, where n can be any number from 2 to 9.

    • %2 is replaced with the first parameter, %3 with the second, and so on.

Examples

To display the current file types that have open command strings defined, type:

ftype

To display the current open command string for a specific file type, type:

ftype FileType

To delete the open command string for a specific file type, type:

ftype FileType=

Type:

ASSOC .pl=PerlScript FTYPE PerlScript=perl.exe %1 %* 

To invoke the Perl script, type:

script.pl 1 2 3 

To eliminate the need to type the extensions, type:

set PATHEXT=.pl;%PATHEXT% 

To invoke the Perl script, type:

script 1 2 3 

Formatting legend

Format

Meaning

Italic

Information that the user must supply

Bold

Elements that the user must type exactly as shown

Ellipsis (...)

Parameter that can be repeated several times in a command line

Between brackets ([])

Optional items

Between braces ({}); choices separated by pipe (|). Example: {even|odd}

Set of choices from which the user must choose only one

Courier font

Code or program output

Assoc

Start

Command-line reference A-Z

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