tags:

views:

451

answers:

4

Is there an easy way to get to the basename (file name without extension) of a DOS file name using the DOS BAT command language?

I agree: format c:\ is probably a good start, followed by a bootable Linux CD (assuming these antique machines have a CD reader - not a given). But let's pretend that we only have DOS... (That means: not Windows - not even Windows 3.1, let alone Windows 95, 98, NT, ME, XP, Vista, 7, etc.)

+3  A: 

In the FOR loop command, you can use %%~n.

ars
+1  A: 

Also, the MKS Toolkit has a basename util...

http://www.mkssoftware.com/docs/man1/basename.1.asp

shawndumas
This was discussed...as you can imagine, those who still insist on DOS also insist on no MKS.
Jonathan Leffler
+5  A: 
for /F %i in ("c:\foo\bar.txt") do @echo %~ni

output: bar

Further Reading:

http://www.computerhope.com/forhlp.htm

hobodave
The URL wins you the 'selected answer' - thanks.
Jonathan Leffler
I tried: FOR %%f IN (*.DAT) DO bcheck -y %%~nf in my FIX.BAT script, but it didn't work!.. ~n is a FOR extension available only with WinXP cmd.exe command interpreter. I'm running native DOS 6.22 command.com which doesn't support ~ extensions. See my previous posting: http://stackoverflow.com/questions/3429032/how-can-i-supress-filename-extensions-at-the-command-line-interpreter-and-batch-f
Frank Computer
`for /F %i in ("c:\foo\bar space.txt") do @echo %~ni` outputs "bar", how could I get the "bar space.txt"?
Ciantic
@Ciantic: By reading the link in my answer. Or by asking a question in the appropriate fashion.
hobodave
Oh I was not meant to be rude, I have been reading the link. I cannot understand how I can make the spaces in filename work, if not by quoting it?
Ciantic
Answer to my question is `for /F "delims=" %i in ("c:\foo\bar space.txt") do @echo %~ni` produces "bar space"
Ciantic
+2  A: 

To expand on hobodave's and ars's answers, here's the relevant snippet of help from the for command:

In addition, substitution of FOR variable references has been enhanced.
You can now use the following optional syntax:

    %~I         - expands %I removing any surrounding quotes (")
    %~fI        - expands %I to a fully qualified path name
    %~dI        - expands %I to a drive letter only
    %~pI        - expands %I to a path only
    %~nI        - expands %I to a file name only
    %~xI        - expands %I to a file extension only
    %~sI        - expanded path contains short names only
    %~aI        - expands %I to file attributes of file
    %~tI        - expands %I to date/time of file
    %~zI        - expands %I to size of file
    %~$PATH:I   - searches the directories listed in the PATH
                   environment variable and expands %I to the
                   fully qualified name of the first one found.
                   If the environment variable name is not
                   defined or the file is not found by the
                   search, then this modifier expands to the
                   empty string

The modifiers can be combined to get compound results:

    %~dpI       - expands %I to a drive letter and path only
    %~nxI       - expands %I to a file name and extension only
    %~fsI       - expands %I to a full path name with short names only
    %~dp$PATH:I - searches the directories listed in the PATH
                   environment variable for %I and expands to the
                   drive letter and path of the first one found.
    %~ftzaI     - expands %I to a DIR like output line

In the above examples %I and PATH can be replaced by other valid
values.  The %~ syntax is terminated by a valid FOR variable name.
Picking upper case variable names like %I makes it more readable and
avoids confusion with the modifiers, which are not case sensitive.
Michael Burr