Tcl library path environment variable Müller's answer need to be modified for cx_Freeze version 5. If this variable is not Aug 30, 2012 · Brian, thanks for the solution but it is the simpliest one. If you are compiling a Tcl extension for windows, please see the TEA reference. Work Around: Set both the LD_LIBRARY_PATH and SHLIB_PATH environment variables. In these versions of cx_Freeze, packages get frozen into a subdirectory lib of the build directory. h> int Tcl_PutEnv(assignment) ARGUMENTS const char *assignment (in) Info about environment variable in the format “NAME=value”. This is considered a little more ``Mac like This command examines the directories in the current search path (given by the PATH environment variable) assigned to the tcl_library variable and therefore Check on which platform you are running: windows, 32 bit or 64 bit. sh (to extend the PATH or LD_LIBRARY_PATH etc. (Simple test for thing being CMake variable: Most of CMake variables are prefixed with CMAKE_. Sep 9, 2019 · The Tcl global variable auto_path contains a Tcl list of directories to look for packages in. Every once in a while I think how nice it would be to be able to "source" a shell script so that you get whatever environment variables it sets in your Tcl program. This command examines the directories in the current search path (given by the PATH environment variable) assigned to the tcl_library variable and therefore To access the procedures in the Tcl library, an application should source the file init. const char *const symbols[] (in) Array of names of symbols to be resolved during the load of the library, or NULL if no symbols are to be resolved. """ if sys. This Dec 29, 2010 · I'm trying to get _tkinter to import into Python. g /c/tcl/bin/tclsh8. dll with the ones from python installation path, I believe it can also be solved by change the path environment variable. I was setting LD_LIBRARY_PATH to a path, which is basically overwriting LD_LIBRARY_PATH using code os. tcl-lang. If the TCL_LIBRARY environment variable exists, then the directory it names is checked first. exe" command-line tool. 7) then it will run as platform windows and require the MSYS2_ENV_CONV_EXCL environment variable to be set. The keys and values of the array default to the environment inherited from the parent process, any process that Tcl creates will inherit a copy of it, and code that examines the environment in the current process (including directly from C) will see the current state of it. The defaults are derived from the location of the tclsh used to run the installer. Check on which platform you are running: windows, 32 bit or 64 bit. Apr 18, 2015 · The environment is exposed via the global env array in Tcl. ". Basically, you disable the modulecmd's ability to use LD_LIBRARY_PATH for its execution; however, this change does not prevent modulecmd from modifying the LD_LIBRARY_PATH variable. -dry-run-simulate. If it fails to find the binary, then future calls to info nameofexecutable will return an empty string. Either a few env variables (like TCL_LIBRARY & TCLLIBPATH, both must be defined despite the manual says TCL_LIBRARY should not be defined). env(TCL_LIBRARY) If set, then it specifies the location of the directory Aug 6, 2013 · This variable is initialized during startup to contain, in order: the directories listed in the TCLLIBPATH environment variable, the directory named by the tcl_library global variable, the parent directory of tcl_library, the directories listed in the tcl_pkgPath variable. Virtual Python doesn't find Tcl/Tk. c" or the "sqlite3. This command examines the directories in the current search path (given by the PATH environment variable) assigned to the tcl_library variable and therefore Jan 31, 2020 · I have been using python3 to set environment variables using os. When the environment variable TCL_LIBRARY is defined, Tcl's default initialization sequence takes its value to be a file system directory in which the init. That array is generated internally by Tcl (well, with probes to relevant basic OS APIs) instead of by looking at environment variables, and that particular element is always present back at least as far as Tcl 8. Feb 24, 2013 · To set an environment variable, you don't use exec but rather just write to the appropriate element of the global env associative array (the :: is “this is a global variable” and can be omitted if you're writing a top-level script): set ::env(LD_LIBRARY_PATH) "/opt/gcc-4. e. In a proper Tcl installation, use of this environment variable should not be needed. ::fileutil::jail jail path. 1. def load_tkinter(finder, module): """the tkinter module has data files that are required to be loaded so ensure that they are copied into the directory that is expected at runtime. bashrc ~/. This variable is initialized during startup to contain, in order: the directories listed in the TCLLIBPATH environment variable, the directory named by the tcl_library variable, the parent directory of tcl_library, the directories listed in the tcl_pkgPath variable. Optionally, add the directory "<base>\Tcl\bin" to the PATH environment variable. If the environment variables SHLIB_PATH and LD_LIBRARY_PATH are not set when executing these scripts, a core file may generated. your script, receives a duplicate of the environment, and can modify it. The last alternative is to place environment variables in a 'STR#' resource named Tcl Environment Variables of the application. exe] It automatically searches the PATH and constructs the right path for using with exec. 4. Mar 9, 2016 · The TCL_LIBRARY and TK_LIBRARY environment variables are separate environment variables, not part of the PATH, so you set them in the usual way. 11 & 8. # # The parent directory of tcl_library. LV hints at other examples in "Setting /bin/sh environment variables in the script". The following is my solution: set fh [open ". Jun 2, 2016 · In side tcl script, you can simply do setenv as, setenv AUTOTEST="/auto/isbutest/frt". tcl] If the library procedure Tcl_Init is invoked from an application's Tcl_AppInit procedure, this happens automatically. To access the procedures in the Tcl library, an application should source the file init. It is not necessary to set this environment variable if tclsh was compiled with the library path pre-configured in its binary. 3 days ago · If the prefix directory itself was specified for path the result is the string ". If what you are trying to do is set an environment variable to point to directories containing other Tcl packages, check TCLLIBPATH. It always returns an absolute path derived from path which is within jail. This command examines the directories in the current search path (given by the PATH environment variable) assigned to the tcl_library variable and therefore If the TCL_LIBRARY environment variable exists, then the directory it names is checked first. 10 and Python 2. tcl file should be sought first. Feb 21, 2016 · D. This command ensures that the path is not escaping the directory jail. mypackage. 2-built/lib64" If set, then it specifies the location of the directory containing library scripts (the value of this variable will be assigned to the tcl_library variable and therefore returned by the command info library). 0. , space-separated list) of directories to put at the front of the auto_path when it is built. May 6, 2016 · 检查可能已经设置的环境变量(例如，在. ) linux> tclsh myprog. TK_LIBRARY: Set to the location of the Tk library files. TCL_LIBRARY and TK_LIBRARY environment variables can be used to bind Tkinter with proper Tcl/Tk installation. and any variable declared using set command can be accessed using $VARNAME. Jul 27, 2014 · You should simply use the Tcl library function made for this auto_execok. May 6, 2014 · To get the current username reliably, check out the tcl_platform array's user element. sh) The idea would be: If set, then it specifies the location of the directory containing library scripts (the value of this variable will be assigned to the tcl_library variable and therefore returned by the command info library). tcl in the library, for example with the Tcl command source [info library]/init. 1 or 5. You will need to close and reopen your command prompts after making this change. tcl To access the procedures in the Tcl library, an application should source the file init. This is considered a little more ``Mac like Mar 9, 2013 · Stack Exchange Network. DESCRIPTION Tcl_PutEnv sets an environment variable. VARIABLES Tclsh sets the following global Tcl variables in addition to those created by the Tcl library itself (such as env, which maps environment variables such as PATH into Tcl): argc Contains a count of the number of arg arguments (0 if none), not including the name of the script file. Sep 26, 2012 · Tcl version 8. 5, tk8. But when the program stops running, it disappears, together with its environment and changes. vc INSTALLDIR=path_to_your_install_dir TCLDIR=path_to_tcl_source nmake -f makefile. if you want to get any environment variable, use $::env(AUTOTEST). h searches around for the directory containing this # init. LD_LIBRARY_PATH: native code libraries (on Linux, in addition to the value of this variable, the lookup path typically contains /usr/local/lib, /usr/lib, /lib and a few others). Mar 19, 2011 · source `my_example. environ["LD_LIBRARY_ 如果你有实际的错误信息而不是摘要“出了问题”，这确实很有帮助。 一般来说，环境变量被映射到Tcl中全局env数组的元素;他们不会成为个别的全球变量（因为滥用太多了）。 nmake -f makefile. If TCL_LIBRARY is not set or doesn't refer to an appropriate directory, then Tcl checks several other directories based on a compiled-in default location, the location of the binary containing the application, and the current working directory. tcl Feb 22, 2009 · That 3 path variables ( LD_LIBRARY_PATH,TCL_LIBRARY,PATH ) are the path variables,I had set for Network Simulator 2 software as a part of installation. The resulting core file can be deleted. The auto-load path is given by the global variable auto_path if it exists. argv This command examines the directories in the current search path (given by the PATH environment variable) assigned to the tcl_library variable and therefore # The values on the path come from several locations: # # The environment variable TCLLIBPATH # # tcl_library, which is the directory containing this init. If this variable isn't set then a default value is used. If I have to set the environment variables manually, what would I set them to? I am using Ubuntu 10. Aug 6, 2016 · This variable is initialized during startup to contain, in order: the directories listed in the TCLLIBPATH environment variable, the directory named by the tcl_library global variable, the parent directory of tcl_library, the directories listed in the tcl_pkgPath variable. Feb 18, 2025 · -app-path path-example-path path-html-path path-nroff-path path-pkg-path path. Aug 6, 2012 · Also if you call your own e. If set, then it specifies the location of the directory containing library scripts (the value of this variable will be assigned to the tcl_library variable and therefore returned by the command info library). Like: linux> . As of 2024-10-25, TCL is not longer required for many common build targets, such as "sqlite3. This is considered a little more ``Mac like Feb 28, 2016 · It's built from the contents of various other things (including some values that are baked in during compilation of the Tcl library). tcl` If my_example. Looking at the sources, showed very little options. 如果这是一个基本的问题，很抱歉。我以前在shell (主要是csh)中做过这样的事情，但我是TCL和构建模块文件的新手，所以任何帮助和建议都将非常感谢！ When the environment variable TCL_LIBRARY is defined, Tcl's default initialization sequence takes its value to be a file system directory in which the init. I suspect it may be due to not having values defined for the environment variables TK_LIBRARY and TCL_LIBRARY. . 5/ in your case), you need to tell the shared library part of Tcl where it is. On UNIX this variable is initialised via the TCL_LIBRARY environment variable is used, whereas on MS Windows the pathname of the Tcl DLLs is used as well. May 23, 2016 · # The values on the path come from several locations: # # The environment variable TCLLIBPATH # # tcl_library, which is the directory containing this init. Sep 19, 2017 · seems that the installation paths are embedded, and Tcl uses these to define where the library is located and how auto_path is defined. Jul 12, 2014 · I understand this is not possible. tcl and defines tcl_library to that location before sourcing it. 5, tcl85. Try this: exec {*}[auto_execok program. If TCL_LIBRARY isn't set or doesn't refer to an appropriate directory This command examines the directories in the current search path (given by the PATH environment variable) assigned to the tcl_library variable and therefore This variable is initialized during startup to contain, in order: the directories listed in the TCLLIBPATH environment variable, the directory named by the tcl_library global variable, the parent directory of tcl_library, [file dirname [file dirname [info nameofexecutable]]]/lib, the directories listed in the tcl_pkgPath variable. If there is no $auto_path variable, then the TCLLIBPATH environment variable is used, if it exists. This bug does not affect the functionality of TclPro tools. Each environment variable becomes a key in this array whose value is the value of the environment variable. if you want to set a variable, use set VARNAME "/auto/isbutest/frt". How to get the location of Tcl/Tk from working Tkinter instance? (I'm running a frontend in non-virtual Python with working Tkinter and I need to run a tkinter subprocess in a virtual environment. tcl (has access to the settings in mypackage. tcl contains #!/usr/bin/tclsh puts "export MY_VAR=some_value" teamwork between the two processes will result in the parent receiving some_value in its MY_VAR environment variable. env(TCL_LIBRARY) If set, then it specifies the location of the directory containing library scripts (the value of this variable will be assigned to the tcl_library variable and therefore returned by the command info library). Apr 17, 2018 · NO_CMAKE_SYSTEM_PATH, NO_SYSTEM_ENVIRONMENT_PATH and NO_DEFAULT_PATH are not the variables, but options for find_library and other find_* commands. A program which is running, eg. If this variable is not set then a default value is used. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. dll and tk85. Aug 6, 2011 · This variable is initialized during startup to contain, in order: the directories listed in the TCLLIBPATH environment variable, the directory named by the tcl_library global variable, the parent directory of tcl_library, the directories listed in the tcl_pkgPath variable. This variable is initialized during startup to contain, in order: the directories listed in the TCLLIBPATH environment variable, the directory named by the tcl_library global variable, the parent directory of tcl_library, the directories listed in the tcl_pkgPath variable. What happen if I read lines from a file and one of lines contain string with environment variable that I don't know what it is exactly but I can put it into some local variable. mopidevi View Public Profile Oct 17, 2012 · If you change the location of the script library directory (tcl8. If TCL_LIBRARY isn't set or doesn't refer to an appropriate directory Sep 27, 2014 · I can check to see what the environment variables are by simply: puts $::env(VERSION_PATH) And it would return the same value that would result from: # VV Ran outside the script VV printenv | grep VERSION_PATH But if the compare portion of my code fails, I would like to give VERSION_PATH the correct value. Ideally you wouldn't need to set them at all, as the installations of Tcl and Tk should have the correct value baked into them, but Python often seems to set some weird things for historical reasons. This is considered a little more ``Mac like To access the procedures in the Tcl library, an application should source the file init. You do this using the TCL_LIBRARY environment variable, which if set should contain the absolute path that is the location of that directory (technically, the directory that contains init. On Windows, if not already set, it is set to the value of the USERPROFILE environment variable. Note that the tclkit program customizes the Tcl initialization process such that the environment variables TCL_LIBRARY and TCLLIBPATH have no effect. # tclInitScript. Add a directory to it using lappend as you probably don't want to remove the existing entries in it: tclsh. Otherwise the auto-load path consists of just the Tcl library directory. One of those things is the TCLLIBPATH environment variable, which holds a Tcl list (i. The name LD comes from dynamic l oa d er , the system component that loads libraries into dynamically linked executables . sh) The idea would be: A file named Tcl Environment Variables may be placed in the preferences folder in the Mac system folder. Each line of this file should be of the form VAR_NAME=var_data. If TCL_LIBRARY isn't set or doesn't refer to an appropriate directory If set, then it specifies the location of the directory containing library scripts (the value of this variable will be assigned to the tcl_library variable and therefore returned by the command info library). Aug 6, 2013 · This variable is initialized during startup to contain, in order: the directories listed in the TCLLIBPATH environment variable, the directory named by the tcl_library global variable, the parent directory of tcl_library, the directories listed in the tcl_pkgPath variable. platform == "win32": import tkinter import _tkinter dummy_tkinter_object = tkinter. vc install INSTALLDIR=path_to_your_install_dir TCLDIR=path_to_tcl_source. Tcl_PutEnv — procedures to manipulate the environment SYNOPSIS #include <tcl. Tcl_FindExecutable uses argv0 along with the PATH environment variable to find the application's executable, if possible. eval("package require tclvisa") 3 days ago · If the prefix directory itself was specified for path the result is the string ". If it is a single name, the library search path of the current environment will be used to resolve it. Create the additional library path to search for (in the example below it is in the share/lib32 or share/lib64 sub-path of the executable). login文件中)的存在时，正确的语法是什么？. Extract the downloaded ZIP archive to the base directory where Tcl/Tk should be installed, while preserving path information. ) Select "edit environment variables for your account" and modify your default PATH accordingly. Sometimes a path contain SHELL environment variable and I want to check the file existence. Tk() # Used to get the current tcl, tc libraries. org # The values on the path come from several locations: # # The environment variable TCLLIBPATH # # tcl_library, which is the directory containing this init. If path is an absolute path and already within jail it is returned unmodified. Again, it is not necessary to set this environment variable if wish was compiled with the library path pre A file named Tcl Environment Variables may be placed in the preferences folder in the Mac system folder. tcl in the library, for example with the Tcl command source [file join [info library] init. If the path is not found in the current PATH environment restart the whole script. eval("lappend auto_path /path/to/add") tclsh. If there is no auto_path variable, then the TCLLIBPATH environment variable is used, if it exists. This is considered a little more Mac-like than a Feb 10, 2020 · Generally speaking, treat the value of auto_path as a Tcl list using the list commands like lappend. exe executable and place it within the Tcl installation direcory. bash_profile with otherwise the same code and same file privileges. It then worked Sep 1, 2012 · I have a file contain lines with path to the files. As for your specific questions: I want to include a variable in This command examines the directories in the current search path (given by the PATH environment variable) assigned to the tcl_library variable and therefore library is kept in the variable tk_library. 2 conflicts solved by manually replace tcl8. The initial value of tcl_library is set when an interpreter is created by searching several different directories until one is found that contains an appropriate Tcl startup script. The auto-load path is given by the global variable $auto_path if it exists. tcl). tcl script. raju. As long as these scripts can be found, they can actually reside in a large number of directories with names related to the Tcl library path. For instance, on Unix, one will typically find keys like PATH : series of file system directory prefixes , typically separated by :, which the operating system will apply when asked to execute a file with an incomplete pathname. environ(). Conversely - the base tcl at /usr/bin/tclsh (The one that is platform = unix above) will have problems with entries in your TCLX_X_TM_PATH environment variable. tcl If the library procedure Tcl_Init is invoked from an application's Tcl_AppInit procedure, this happens automatically. For instance, the PATH variable could be exported by the operating system as ``path'', ``Path'', ``PaTh'', etc. Note that this environment variable should not normally be set. sh) The idea would be: Feb 8, 2017 · Every once in a while I think how nice it would be to be able to "source" a shell script so that you get whatever environment variables it sets in your Tcl program. See full list on wiki. L. 5. , causing otherwise simple Tcl code to have to support many special cases. All other environment variables inherited by Tcl are left unmodified. Declare the destination paths for the applications, examples, html documentation, nroff manpages, and packages. A file named Tcl Environment Variables may be placed in the preferences folder in the Mac system folder. Feb 18, 2025 · If the prefix directory itself was specified for path the result is the string ". Run the installer without modifying the destination The initial value of tcl_library is set when an interpreter is created by searching several different directories until one is found that contains an appropriate Tcl startup script. Don't ask me why, but this did not work, until I made this small change: mv ~/. Sep 30, 2015 · I've encountered the same issue and, using the suggestion from the link below, I was able to correct the problem without unsetting LD_LIBRARY_PATH. The assignment argument is in the system encoding. 7 (or c:/tclbin/tclsh8. This will produce a wish86t. This is as it stands after using apt-get for python-tk, tcl, and tk. Set to the location of the Tcl library files. cshrc或.
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