Ruslan, 1) "declare -x" requirement is wrong. I can now see it was a result of a strange coincidence. I set environment variables in .profile. At the same time that I changed from "export" to "declare -x", I discovered that MSYS2 gave me both a .bash_profile and a .profile, and I manually entered ". .profile" for the first time.
2) Here is a copy of MSYS2 screens showing several examples of Windows cmd.exe displaying different values for MSYS2 bash.exe environment variables. I grepped and cut to reduce the size of the display. rhmcc@rhmZ570 MSYS ~ $ . .profile /usr/local/bin/wslhome: line 11: cd: /c/Users//AppData/Local/Packages/*Ubuntu*: No such file or directory rhmcc@rhmZ570 MSYS /home/rhmcc $ . $KEHOME/bin/unicon.env rhmcc@rhmZ570 MSYS /home/rhmcc env | sort | grep PATH DPATH=/c/msys64/home/unicon/unicon.5899/ipl/gdata /c/msys64/home/unicon/unicon.5899/ipl/data IPATH=/c/msys64/home/ke/KE/lib;/c/msys64/home/ke/KE/uni;/c/msys64/home/ke/KE/parser;/c/msys64/home/ke/KE/hotools;/c/msys64/home/ke/KE/mke;/c/msys64/home/unicon/unicon.5899/ipl/lib;/c/msys64/home/unicon/unicon.5899/uni/lib LPATH=/c/msys64/home/unicon/unicon.5899/ipl/gincl /c/msys64/home/unicon/unicon.5899/ipl/incl MANPATH=/usr/local/man:/usr/share/man:/usr/man:/share/man ORIGINAL_PATH=/c/Windows/System32:/c/Windows:/c/Windows/System32/Wbem:/c/Windows/System32/WindowsPowerShell/v1.0/ PATH=/c/msys64/home/ke/KE/bin:/c/msys64/home/unicon/unicon.5899/bin:/c/msys64/home/rhmcc/bin:/c/jdk-11.0.2/bin:/c/msys64/home/ke/KE/bin:/c/msys64/home/unicon/unicon.5899/bin:/usr/local/bin:/usr/bin:/bin:/opt/bin:/c/Windows/System32:/c/Windows:/c/Windows/System32/Wbem:/c/Windows/System32/WindowsPowerShell/v1.0/ rhmcc@rhmZ570 MSYS /home/rhmcc $ cmd.exe Microsoft Windows [Version 10.0.17763.379] (c) 2018 Microsoft Corporation. All rights reserved. C:\msys64\home\rhmcc>env | sort | grep PATH env | sort | grep PATH DPATH=C:/msys64/home/unicon/unicon.5899/ipl/gdata /c/msys64/home/unicon/unicon.5899/ipl/data IPATH=/c/msys64/home/ke/KE/lib;/c/msys64/home/ke/KE/uni;/c/msys64/home/ke/KE/parser;/c/msys64/home/ke/KE/hotools;/c/msys64/home/ke/KE/mke;/c/msys64/home/unicon/unicon.5899/ipl/lib;/c/msys64/home/unicon/unicon.5899/uni/lib LPATH=C:/msys64/home/unicon/unicon.5899/ipl/gincl /c/msys64/home/unicon/unicon.5899/ipl/incl MANPATH=C:\msys64\usr\local\man;C:\msys64\usr\share\man;C:\msys64\usr\man;C:\msys64\share\man ORIGINAL_PATH=C:\Windows\System32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\ PATH=/home/ke/KE/bin:/home/unicon/unicon.5899/bin:/home/rhmcc/bin:/c/jdk-11.0.2/bin:/home/ke/KE/bin:/home/unicon/unicon.5899/bin:/usr/local/bin:/usr/bin:/usr/bin:/opt/bin:/c/Windows/System32:/c/Windows:/c/Windows/System32/Wbem:/c/Windows/System32/WindowsPowerShell/v1.0 C:\msys64\home\rhmcc> DPATH and LPATH are blank-separated lists -- only the first directory was changed to Windows format MANPATH and ORIGINAL_PATH are colon-separated lists -- all directories correctly changed to Windows format IPATH is a semicolon-separated list -- not changed, all directories left in MSYS format PATH is a colon-separated list -- not changed, all directories left in MSYS format Richard H. McCullough http://ContextKnowledgeSystems.org What is your context? On Thu, Mar 21, 2019 at 2:19 AM Ruslan Garipov <ruslanngari...@gmail.com> wrote: > > retrieved environment variable values were null. > > I still don't understand where you get errors. Thus, I'll try to guess > :-) > > In MSYS2 environment: > > ``` > $ set | grep FOO > ``` > > shows nothing. That's fine. Go on: > > ``` > $ export FOO=foobar > $ set | grep FOO > FOO=foobar > ``` > > Thus, `${FOO}` isn't "unset". > > ``` > $ unset FOO > $ export FOO=boo; echo ${FOO} > boo > ``` > > The variable is set again. > > ``` > $ unset FOO > $ export FOO=../sample25c; start cmd > ``` > > Inside new CMD window: > > ``` > prompt> echo %FOO% > ../sample25.c > ``` > > Did I guessed correctly? :-) > > > > > _______________________________________________ > Msys2-users mailing list > Msys2-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/msys2-users >
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