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Science makes it known,
On occasion, in Windows XP it is necessary to run a program in a Command Prompt, specifying full path names.
(Short file names also work in a Win7 Command Prompt)
For example, let's say you need to run a java class from a Command Prompt. It will be necessary to specify the -classpath parameter to java.exe. And java.exe does not like embedded blanks in directory names - it treats them as the end of the -classpath. Screenshot below illustrates this:
As can be seen, the -classpath would be
C:\Documents and Settings\Rodney Roberts\My Documents\JCreator LE\MyProjects\dfGUI\classes
(this is a long file name)
This can be shortened to:
(this is a short file name, each portion is 8 characters or less)
For each directory (oops, should I say folder?) and subdirectory name, replace characters 7 through last with '~1'*. This is mandatory for directories with blanks in the name, optional for directories with 7 or more characters in its name.
Thus, the Command Prompt changes from this (an already customized Command Prompt):
This is a leftover from the introduction of long file names in Win95.
* On some occasions, instead of using the substitute characters '~1' for characters 7 - last,
it may be necessary to use '~2', '~3', etc. Using the above example,
Note that MyProj~1 is now MyProj~2.
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