How to export environment variables from bash to tcsh











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I've to run a .csh script from a bash shell, to accomplish this I'm using tcsh -c <command> command but with that I also require environment variables defined in parent bash shell. Could someone suggest a way to export environment variables from bash to tcsh. I would like to have the below structure for my command.



$ tcsh -c "env ENV_VAR=${ENV_VAR} /command/to/run <args>"





bash tcsh







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  • 1




    Environment variables are inherited automatically, you don't need to do anything special. That's the definition of environment variables.
    – Barmar
    Nov 7 at 19:39










  • You don't need to use tcsh -c to run a csh script. If the script begins with #!/usr/bin/tcsh it will be run with tcsh.
    – Barmar
    Nov 7 at 19:40










  • tcsh -c <command> executes <command> as a tcsh command, but that doesn't affect how the scripts within it are executed.
    – Barmar
    Nov 7 at 19:41















up vote
0
down vote

favorite












I've to run a .csh script from a bash shell, to accomplish this I'm using tcsh -c <command> command but with that I also require environment variables defined in parent bash shell. Could someone suggest a way to export environment variables from bash to tcsh. I would like to have the below structure for my command.



$ tcsh -c "env ENV_VAR=${ENV_VAR} /command/to/run <args>"





bash tcsh







share|improve this question


















  • 1




    Environment variables are inherited automatically, you don't need to do anything special. That's the definition of environment variables.
    – Barmar
    Nov 7 at 19:39










  • You don't need to use tcsh -c to run a csh script. If the script begins with #!/usr/bin/tcsh it will be run with tcsh.
    – Barmar
    Nov 7 at 19:40










  • tcsh -c <command> executes <command> as a tcsh command, but that doesn't affect how the scripts within it are executed.
    – Barmar
    Nov 7 at 19:41













up vote
0
down vote

favorite









up vote
0
down vote

favorite











I've to run a .csh script from a bash shell, to accomplish this I'm using tcsh -c <command> command but with that I also require environment variables defined in parent bash shell. Could someone suggest a way to export environment variables from bash to tcsh. I would like to have the below structure for my command.



$ tcsh -c "env ENV_VAR=${ENV_VAR} /command/to/run <args>"





bash tcsh







share|improve this question













I've to run a .csh script from a bash shell, to accomplish this I'm using tcsh -c <command> command but with that I also require environment variables defined in parent bash shell. Could someone suggest a way to export environment variables from bash to tcsh. I would like to have the below structure for my command.



$ tcsh -c "env ENV_VAR=${ENV_VAR} /command/to/run <args>"





bash tcsh




bash tcsh






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Nov 7 at 19:21









DDStackoverflow

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366








  • 1




    Environment variables are inherited automatically, you don't need to do anything special. That's the definition of environment variables.
    – Barmar
    Nov 7 at 19:39










  • You don't need to use tcsh -c to run a csh script. If the script begins with #!/usr/bin/tcsh it will be run with tcsh.
    – Barmar
    Nov 7 at 19:40










  • tcsh -c <command> executes <command> as a tcsh command, but that doesn't affect how the scripts within it are executed.
    – Barmar
    Nov 7 at 19:41














  • 1




    Environment variables are inherited automatically, you don't need to do anything special. That's the definition of environment variables.
    – Barmar
    Nov 7 at 19:39










  • You don't need to use tcsh -c to run a csh script. If the script begins with #!/usr/bin/tcsh it will be run with tcsh.
    – Barmar
    Nov 7 at 19:40










  • tcsh -c <command> executes <command> as a tcsh command, but that doesn't affect how the scripts within it are executed.
    – Barmar
    Nov 7 at 19:41








1




1




Environment variables are inherited automatically, you don't need to do anything special. That's the definition of environment variables.
– Barmar
Nov 7 at 19:39




Environment variables are inherited automatically, you don't need to do anything special. That's the definition of environment variables.
– Barmar
Nov 7 at 19:39












You don't need to use tcsh -c to run a csh script. If the script begins with #!/usr/bin/tcsh it will be run with tcsh.
– Barmar
Nov 7 at 19:40




You don't need to use tcsh -c to run a csh script. If the script begins with #!/usr/bin/tcsh it will be run with tcsh.
– Barmar
Nov 7 at 19:40












tcsh -c <command> executes <command> as a tcsh command, but that doesn't affect how the scripts within it are executed.
– Barmar
Nov 7 at 19:41




tcsh -c <command> executes <command> as a tcsh command, but that doesn't affect how the scripts within it are executed.
– Barmar
Nov 7 at 19:41












1 Answer
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1
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accepted










Just add the variables to the environment of tcsh; the script will inherit them from tcsh. (I'm assuming /command/to/run is a C-shell script.)



$ SOME_VAR="some value" tcsh -c "/command/to/run <args>"


Assuming the argument to -c isn't some more complicated C-shell expression, you can dispense with the option.



$ SOME_VAR="some value" tcsh /command/to/run <args>





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    up vote
    1
    down vote



    accepted










    Just add the variables to the environment of tcsh; the script will inherit them from tcsh. (I'm assuming /command/to/run is a C-shell script.)



    $ SOME_VAR="some value" tcsh -c "/command/to/run <args>"


    Assuming the argument to -c isn't some more complicated C-shell expression, you can dispense with the option.



    $ SOME_VAR="some value" tcsh /command/to/run <args>





    share|improve this answer

























      up vote
      1
      down vote



      accepted










      Just add the variables to the environment of tcsh; the script will inherit them from tcsh. (I'm assuming /command/to/run is a C-shell script.)



      $ SOME_VAR="some value" tcsh -c "/command/to/run <args>"


      Assuming the argument to -c isn't some more complicated C-shell expression, you can dispense with the option.



      $ SOME_VAR="some value" tcsh /command/to/run <args>





      share|improve this answer























        up vote
        1
        down vote



        accepted







        up vote
        1
        down vote



        accepted






        Just add the variables to the environment of tcsh; the script will inherit them from tcsh. (I'm assuming /command/to/run is a C-shell script.)



        $ SOME_VAR="some value" tcsh -c "/command/to/run <args>"


        Assuming the argument to -c isn't some more complicated C-shell expression, you can dispense with the option.



        $ SOME_VAR="some value" tcsh /command/to/run <args>





        share|improve this answer












        Just add the variables to the environment of tcsh; the script will inherit them from tcsh. (I'm assuming /command/to/run is a C-shell script.)



        $ SOME_VAR="some value" tcsh -c "/command/to/run <args>"


        Assuming the argument to -c isn't some more complicated C-shell expression, you can dispense with the option.



        $ SOME_VAR="some value" tcsh /command/to/run <args>






        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Nov 7 at 19:41









        chepner

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