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Ftype

Updated: January 21, 2005

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

  • The following table lists how ftype substitutes variables within an OpenCommandString.

     

    Variable Replacement value

    %0 or %1

    Replaced with the file name that you want to open

    %*

    Replaced with all of the parameters

    %~N

    Replaced with all of the remaining parameters, starting with the Nth parameter, where N can be any number from 2 to 9

    %2

    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:

ftypeFileType

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

ftypeFileType=

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

See Also

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