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Scripting: Getting the (absolute) path of the script itself

statcon

Hi JMP-Users,

i'm writing a script that uses several files that should be located in the same directory, like the script file. At the moment i am accessing these files using the "get current directory" command. Sadly this does only work if the user opened an instance of JMP by double-clicking on the script in his explorer.

If JMP is already running and the user opens the script via File -> Open -> ... . The current directory is the path of the JMP installation not the path of the scriptfile.

Is there a way to get the path of the scriptfile, to solve this problem?

Thanks,

Sebastian

Accepted answers

pmroz

This might do what you want:

get default directory()

I usually strip off the first character because it's a forward slash, something like "/M:/myapplication/bigdata/"

app_path = Substr(Get Default Directory(), 2, 999);

All comments

pmroz

This might do what you want:

get default directory()

I usually strip off the first character because it's a forward slash, something like "/M:/myapplication/bigdata/"

app_path = Substr(Get Default Directory(), 2, 999);

statcon

Thats it!

Thanks You!

djhanson

Get Default Directory () works great....except when users map a network drive (e.g. X:\mynetworkpath\test.jsl). Then you get the truncated path and not the full path (e.g. \\yournetwork.jmp.com\blahblah\mynetworkpath\test.jsl).

If anyone knows a way around this, that is a way to actually read in the full path even if mapped, let me know! thx.. dj

unknown

In regular SAS I have just parsed the output of the Windows (DOS) command "net use" to find the volume that is mapped to a particular drive letter.

djhanson

Thanks Tom. That's a great idea!

Now I only wish that "net use" was a Windows Environmental Variable then I would simply use something like: Get Environment Variable("NETUSE") (which doesn't work of course). dj

andrew_iyengar

@pmroz wrote:
This might do what you want:

get default directory()

I usually strip off the first character because it's a forward slash, something like "/M:/myapplication/bigdata/"

app_path = Substr(Get Default Directory(), 2, 999);

This solution fails in the following case: if your script or application is launched via hyperlink from an HTML document, Get Default Directory() may return a temporary folder created by the web browser.

Craige_Hales

With a poorly thought out regex...maybe it is good enough...

txt = runprogram(executable("net"), options({"use"}), readfunction("text"));
show(regex(txt,"U:[ \t]*([^ \t]*)","\1")); // find the "U:" drive

the txt value looks like this, before the regex

"New connections will be remembered.
Status       Local     Remote                    Network
-------------------------------------------------------------------------------
             U:        \\network\root\u\chales   Microsoft Windows Network
The command completed successfully.
"

the regex captures this

Regex(txt, "U:[ \t]*([^ \t]*)", "\1") = "\\network\root\u\chales";

The 2nd argument to the regex is the pattern, which means

find U:, followed by zero or more blanks or tabs, then zero or more characters that are not blanks or tabs. That last bit is in parens, which form capture group \1, which is also the third argument that specifies what the result of the regex will be.