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how can I remove enry from the PATH in windows, to set path I need to use SET PATH command but I can't find what do I need to do remove some entry from the path (UNSET PATH is not working), thanks in advance
P.S. from command line in windows
You can't remove an individual item from an environment variable. You have to read in the current value, parse it, remove what you want to remove, and then reset the variable.
If you aren't doing this in code then I can recommend Rapid Environment Editor as an excellent tool to make this work easy.
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I am attempting to set up a small deployment that requires editing of system variables. I have used SETX in the past to create new variables and set values of existing ones. However, SETX does not appear to allow adding an existing string to a previously defined value.
For example, lets say I had a system variable FRED with value "BLA" and I wanted to add "FOO" such that the new value was "BLAFOO." It appears SETX does not allow me to set it by calling the value, %FRED% and then adding whatever I want at the end. This is what I have done when using temporary variables with the SET command.
Does anyone have any advice?
You really need to show us what you have tried and state step-by-step how you tested.
setx fred %fred%foo
will work BUT setx only sets the environment for FUTURE cmd invocations, not existing.
set fred=%fred%foo
setx fred %fred%
will set fred for the current and future, but not other cmd instances already started.
try this:
PATH
SETX PATH "c:\123;%path%;"
PATH
PAUSE
missing the double quotes maybe?
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When I type in ubuntu terminal:
$ rvm help use
The command output looks like:
M-bM-^HM-4 rvm use [ruby-string]
Setup current shell to use a specific ruby version.
...
What are the M-bM-^HM-4 characters? Should I use a special command to read the help?
This are unicode characters:
∴ rvm list
I see it too. Looks like it's just some weird characters that the documenter typed in before every instance of the term "rvm".
Likely on their console, it highlights the term, or something similar.
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I need to navigate to a certain directory and then execute a script located there.
I am using cd folder_name to navigate to the next directory.
One folder has a very long name (with white spaces). Is there a way to type only the first few letters and then use a shortcut key to autocomplete with the first matching name, or to navigate through possible matches?
The same if I want to perform a command on a certain file (e.g. chmod XXX file_name), is there a way to get the name to appear after I type a few letters of the filename?
The shell I am using is bash-3.2 in OS X 10.7.4.
Yes, Bash supports auto-completion (personally, it's one of my favorite features). Use the Tab key to complete what you've typed (note that it's case-sensitive). The Advanced Bash-Scripting Guide has a section on an introduction to programmable completion. You can enable completion to complete command names and more!
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How can I write a path with LaTeX? I want something like this:
C:\\Program Files\\My Program\\my file.txt
I have to use double slashes, not single ones.
Found this:
How does one insert a backslash or a tilde into Latex
The Comprehensive LaTeX Symbol List is your friend. \textbackslash and \textasciitilde are found in Table 2 of the list
So you should try
C:\textbackslash\textbackslash Program Files\textbackslash\textbackslash My Program\textbackslash\textbackslash my file.txt
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In the Python Pyramid tutorial, I encountered this phrase:
"Windows users will need to adapt the Unix-isms below to match their environment."
It appears to relate to the "Export" command, but I am not entirely sure. The question therefore, is how do others go about this process of identifying and adapting "Unix-isms"? My only method so far is to see what isn't recognized, and obviously that could be due to different reasons.
Regarding research, I may have found a paywalled explanation for export specifically, but I'm sure there are better resources for adapting these commands.
Thank you!
The $ symbol is a Unix prompt
The ; is a command separator
export sets sets an environment variable, similar to setx
PATH=/path/to/tutorial_workspace/venv/bin:$PATH is modifying the PATH environment variable, similar to PATH=/path/to/tutorial_workspace/venv/bin;%PATH%
which searches the PATH for a program and returns its location.