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Alias to source .bashrc after it's been edited?


How to fix a .bashrc that's been edited wrongly?Alias that allows to edit ~/.bashrc and then “sources” it automatically - Why it doesn't work?source .bashrc doesn't workHow can I check whether Vim has the -p (tabs) option or not?Alias defined in .bashrc not working after pipeSource new .bashrc in all open terminalsHow to write alias to use first parameter or * if parameter is blank?Making an alias to add key to remote authorized_keys fileUse .bashrc in a detached screenHow to escape this command to add alias in .bashrc?






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1















I would like to add an alias (for convenience sake) that would allow me to edit my bashrc, and if changes were made, source it, but if no changes were made, don't source (in case I changed my mind).



I initially tried alias vb='vi ~/.bashrc && source ~/.bashrc' but then I realized that even just quitting out of vi :q or :q! probably still returns a success return value which is why it still sources.



Is there some way to make an alias such that quitting vi without making any changes to the file doesn't source .bashrc but if something is changed, it does?










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    1















    I would like to add an alias (for convenience sake) that would allow me to edit my bashrc, and if changes were made, source it, but if no changes were made, don't source (in case I changed my mind).



    I initially tried alias vb='vi ~/.bashrc && source ~/.bashrc' but then I realized that even just quitting out of vi :q or :q! probably still returns a success return value which is why it still sources.



    Is there some way to make an alias such that quitting vi without making any changes to the file doesn't source .bashrc but if something is changed, it does?










    share|improve this question







    New contributor




    psycho9o is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      1












      1








      1








      I would like to add an alias (for convenience sake) that would allow me to edit my bashrc, and if changes were made, source it, but if no changes were made, don't source (in case I changed my mind).



      I initially tried alias vb='vi ~/.bashrc && source ~/.bashrc' but then I realized that even just quitting out of vi :q or :q! probably still returns a success return value which is why it still sources.



      Is there some way to make an alias such that quitting vi without making any changes to the file doesn't source .bashrc but if something is changed, it does?










      share|improve this question







      New contributor




      psycho9o is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      I would like to add an alias (for convenience sake) that would allow me to edit my bashrc, and if changes were made, source it, but if no changes were made, don't source (in case I changed my mind).



      I initially tried alias vb='vi ~/.bashrc && source ~/.bashrc' but then I realized that even just quitting out of vi :q or :q! probably still returns a success return value which is why it still sources.



      Is there some way to make an alias such that quitting vi without making any changes to the file doesn't source .bashrc but if something is changed, it does?







      linux bash vim bashrc bash-alias






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      share|improve this question







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      asked 4 hours ago









      psycho9opsycho9o

      61




      61




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          2 Answers
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          active

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          3














          What about:



          alias vb='SUM1=$(md5sum ~/.bashrc) && vi ~/.bashrc && SUM2=$(md5sum ~/.bashrc) && if [ "$SUM1" != "$SUM2" ] ; then source ~/.bashrc ; fi'





          share|improve this answer








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            2














            How about using a bash function instead of an alias. This works in my tests:



            • Add the following function to ~/.bashrc

            • source ~/.bashrc


            • when you want to change ~/.bashrc type bashmod at the prompt



              function bashmod () 

              pre=$(shasum ~/.bashrc);
              vim mybuf;
              post=$(shasum ~/.bashrc);

              if [ "$pre" = "$post" ]; then
              echo "~/.bashrc unchanged";
              else
              . ~/.bashrc;
              fi







            share|improve this answer























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              2 Answers
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              2 Answers
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              active

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              active

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              active

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              3














              What about:



              alias vb='SUM1=$(md5sum ~/.bashrc) && vi ~/.bashrc && SUM2=$(md5sum ~/.bashrc) && if [ "$SUM1" != "$SUM2" ] ; then source ~/.bashrc ; fi'





              share|improve this answer








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                3














                What about:



                alias vb='SUM1=$(md5sum ~/.bashrc) && vi ~/.bashrc && SUM2=$(md5sum ~/.bashrc) && if [ "$SUM1" != "$SUM2" ] ; then source ~/.bashrc ; fi'





                share|improve this answer








                New contributor




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                  3












                  3








                  3







                  What about:



                  alias vb='SUM1=$(md5sum ~/.bashrc) && vi ~/.bashrc && SUM2=$(md5sum ~/.bashrc) && if [ "$SUM1" != "$SUM2" ] ; then source ~/.bashrc ; fi'





                  share|improve this answer








                  New contributor




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                  What about:



                  alias vb='SUM1=$(md5sum ~/.bashrc) && vi ~/.bashrc && SUM2=$(md5sum ~/.bashrc) && if [ "$SUM1" != "$SUM2" ] ; then source ~/.bashrc ; fi'






                  share|improve this answer








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                  share|improve this answer



                  share|improve this answer






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                  answered 1 hour ago









                  ComarComar

                  1312




                  1312




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                      2














                      How about using a bash function instead of an alias. This works in my tests:



                      • Add the following function to ~/.bashrc

                      • source ~/.bashrc


                      • when you want to change ~/.bashrc type bashmod at the prompt



                        function bashmod () 

                        pre=$(shasum ~/.bashrc);
                        vim mybuf;
                        post=$(shasum ~/.bashrc);

                        if [ "$pre" = "$post" ]; then
                        echo "~/.bashrc unchanged";
                        else
                        . ~/.bashrc;
                        fi







                      share|improve this answer



























                        2














                        How about using a bash function instead of an alias. This works in my tests:



                        • Add the following function to ~/.bashrc

                        • source ~/.bashrc


                        • when you want to change ~/.bashrc type bashmod at the prompt



                          function bashmod () 

                          pre=$(shasum ~/.bashrc);
                          vim mybuf;
                          post=$(shasum ~/.bashrc);

                          if [ "$pre" = "$post" ]; then
                          echo "~/.bashrc unchanged";
                          else
                          . ~/.bashrc;
                          fi







                        share|improve this answer

























                          2












                          2








                          2







                          How about using a bash function instead of an alias. This works in my tests:



                          • Add the following function to ~/.bashrc

                          • source ~/.bashrc


                          • when you want to change ~/.bashrc type bashmod at the prompt



                            function bashmod () 

                            pre=$(shasum ~/.bashrc);
                            vim mybuf;
                            post=$(shasum ~/.bashrc);

                            if [ "$pre" = "$post" ]; then
                            echo "~/.bashrc unchanged";
                            else
                            . ~/.bashrc;
                            fi







                          share|improve this answer













                          How about using a bash function instead of an alias. This works in my tests:



                          • Add the following function to ~/.bashrc

                          • source ~/.bashrc


                          • when you want to change ~/.bashrc type bashmod at the prompt



                            function bashmod () 

                            pre=$(shasum ~/.bashrc);
                            vim mybuf;
                            post=$(shasum ~/.bashrc);

                            if [ "$pre" = "$post" ]; then
                            echo "~/.bashrc unchanged";
                            else
                            . ~/.bashrc;
                            fi








                          share|improve this answer












                          share|improve this answer



                          share|improve this answer










                          answered 1 hour ago









                          CaqeCaqe

                          414




                          414




















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