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Full Discussion: Version checking
Top Forums Shell Programming and Scripting Version checking Post 303022450 by bakunin on Saturday 1st of September 2018 02:26:26 AM
Old 09-01-2018
Quote:
Originally Posted by indeed_1
problem is I have 10 different version of “app”, in different path with different “config file”!
[SNIP]
The only way that i can get path of executable file and related config file is to run below command:

Code:
root ~: ps aux | grep app
/home/user1/app    bind          /home/user1/config1
/usr/app                   bind         /home/user5/config2
/tool/app                  bind         /opt/config3

...
First off: what a mess! My suggestion is to standardise these app versions first: create a directory for every version and put respective version plus its config file there. Something like this:

Code:
/opt/myapp/
            .../version1/
            .../version1/app
            .../version1/config
            .../version2/
            .../version2/app
            .../version2/config

To have a path like /tool is already questionable but to put an application there and its config into /opt is a sure-fire recipe for disaster. It may be a lot of work but you should clean that up as soon as possible.

If you have one config for several versions create one (maybe somewhere else) and use symbolic links like Neo suggested to represent them at the respective directory. Something like:

Code:
/opt/myapp/
            .../configs/
            .../configs/version1-3
            .../configs/version4-6
            .../version1/
            .../version1/app
            .../version1/config -> /opt/myapp/configs/version1-3
            .../version2/
            .../version2/app
            .../version2/config -> /opt/myapp/configs/version1-3
...
            .../version4/
            .../version4/app
            .../version4/config -> /opt/myapp/configs/version4-6

The application would still address these as file "config" in the same directory as the application.

I hope this helps.

bakunin
 

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LEARN ABOUT CENTOS

tntnet-config

TNTNET-CONFIG(1)					      General Commands Manual						  TNTNET-CONFIG(1)

NAME

       tntnet-config - output compiler flags for tntnet usage

SYNOPSIS

       tntnet-config [--libs] [--cxxflags] [--config[=app]] [--makefile[=app]] [--project=app] [--autoproject=app] [--help] [--version]

DESCRIPTION

       This manual page documents briefly the tntnet-config command.

OPTIONS

       This program's options start with two dashes (`-').  A summary of options is included below.

       --libs Output linker flags.

       --cxxflags
	      Output C++ preprocessor and compiler flags.

       --config[=app]
	      Print default configuration file.

       --makefile[=app]
	      Print a simple makefile for an ecpp project.

       --project=app
	      Create a simple ecpp project directory.

       --autoproject=app
	      Create a autotools based ecpp project.

       --help Show summary of options.

       --version
	      Show version of program.

AUTHOR

       tntnet was written by Tommi Makitalo <tommi@tntnet.org>.

       This manual page was written by Kari Pahula <kaol@debian.org>, for the Debian project (but may be used by others).

SEE ALSO

       tntnet(8), ecppc(1), ecppl(1), ecppll(1).
       More documentation can be found in /usr/share/doc/tntnet-doc/.

								   July  3, 2006						  TNTNET-CONFIG(1)
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