How to copy file owner mod number to file group through bash?












1














I use find . -type f -user apache ! -group apache to find files as below:



[root@localhost www]# ls -all
-rw-r--r-- 1 apache websites 191 Apr 23 2018 robots.txt
-rwx-rw-rx- 3 apache ftpuser 38 May 14 2018 functions


I want to revise the group mod of these files to the number same as owner mod.



For example as below:

In the file robots.txt, file owner apache's mod is 6(from 644), then change group websites' mod to 6,then robots.txt's mod changed to 664.

In the file functions,file owner apache's mod is 7(from 765),then change group ftpuser's mod to 7,then functions's mod changed to 775.



How to use bash script to do it?










share|improve this question



























    1














    I use find . -type f -user apache ! -group apache to find files as below:



    [root@localhost www]# ls -all
    -rw-r--r-- 1 apache websites 191 Apr 23 2018 robots.txt
    -rwx-rw-rx- 3 apache ftpuser 38 May 14 2018 functions


    I want to revise the group mod of these files to the number same as owner mod.



    For example as below:

    In the file robots.txt, file owner apache's mod is 6(from 644), then change group websites' mod to 6,then robots.txt's mod changed to 664.

    In the file functions,file owner apache's mod is 7(from 765),then change group ftpuser's mod to 7,then functions's mod changed to 775.



    How to use bash script to do it?










    share|improve this question

























      1












      1








      1







      I use find . -type f -user apache ! -group apache to find files as below:



      [root@localhost www]# ls -all
      -rw-r--r-- 1 apache websites 191 Apr 23 2018 robots.txt
      -rwx-rw-rx- 3 apache ftpuser 38 May 14 2018 functions


      I want to revise the group mod of these files to the number same as owner mod.



      For example as below:

      In the file robots.txt, file owner apache's mod is 6(from 644), then change group websites' mod to 6,then robots.txt's mod changed to 664.

      In the file functions,file owner apache's mod is 7(from 765),then change group ftpuser's mod to 7,then functions's mod changed to 775.



      How to use bash script to do it?










      share|improve this question













      I use find . -type f -user apache ! -group apache to find files as below:



      [root@localhost www]# ls -all
      -rw-r--r-- 1 apache websites 191 Apr 23 2018 robots.txt
      -rwx-rw-rx- 3 apache ftpuser 38 May 14 2018 functions


      I want to revise the group mod of these files to the number same as owner mod.



      For example as below:

      In the file robots.txt, file owner apache's mod is 6(from 644), then change group websites' mod to 6,then robots.txt's mod changed to 664.

      In the file functions,file owner apache's mod is 7(from 765),then change group ftpuser's mod to 7,then functions's mod changed to 775.



      How to use bash script to do it?







      bash






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked 2 days ago









      kittygirl

      293316




      293316
























          2 Answers
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          1














          try:



          find . -type f -user apache ! -group apache -exec chmod g=u {} ;






          share|improve this answer





























            1














            You could use the stat command to retrieve the permissions by stat command:
            [https://askubuntu.com/questions/152001/how-can-i-get-octal-file-permissions-from-command-line][1]:



            perms=$(stat -c "%a" my_file.txt)


            Then you can get the access rigths and split them:



            user=${perms:0:1}
            group=${perms:2:1}
            other=${perms:2:1}
            $myPerms=$user$user$other


            Finally, just apply the new rights to the file:



            chmod $myPerms my_file.txt


            Some like this should work






            share|improve this answer





















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              2 Answers
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              active

              oldest

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              2 Answers
              2






              active

              oldest

              votes









              active

              oldest

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              active

              oldest

              votes









              1














              try:



              find . -type f -user apache ! -group apache -exec chmod g=u {} ;






              share|improve this answer


























                1














                try:



                find . -type f -user apache ! -group apache -exec chmod g=u {} ;






                share|improve this answer
























                  1












                  1








                  1






                  try:



                  find . -type f -user apache ! -group apache -exec chmod g=u {} ;






                  share|improve this answer












                  try:



                  find . -type f -user apache ! -group apache -exec chmod g=u {} ;







                  share|improve this answer












                  share|improve this answer



                  share|improve this answer










                  answered 2 days ago









                  Ardit

                  638819




                  638819

























                      1














                      You could use the stat command to retrieve the permissions by stat command:
                      [https://askubuntu.com/questions/152001/how-can-i-get-octal-file-permissions-from-command-line][1]:



                      perms=$(stat -c "%a" my_file.txt)


                      Then you can get the access rigths and split them:



                      user=${perms:0:1}
                      group=${perms:2:1}
                      other=${perms:2:1}
                      $myPerms=$user$user$other


                      Finally, just apply the new rights to the file:



                      chmod $myPerms my_file.txt


                      Some like this should work






                      share|improve this answer


























                        1














                        You could use the stat command to retrieve the permissions by stat command:
                        [https://askubuntu.com/questions/152001/how-can-i-get-octal-file-permissions-from-command-line][1]:



                        perms=$(stat -c "%a" my_file.txt)


                        Then you can get the access rigths and split them:



                        user=${perms:0:1}
                        group=${perms:2:1}
                        other=${perms:2:1}
                        $myPerms=$user$user$other


                        Finally, just apply the new rights to the file:



                        chmod $myPerms my_file.txt


                        Some like this should work






                        share|improve this answer
























                          1












                          1








                          1






                          You could use the stat command to retrieve the permissions by stat command:
                          [https://askubuntu.com/questions/152001/how-can-i-get-octal-file-permissions-from-command-line][1]:



                          perms=$(stat -c "%a" my_file.txt)


                          Then you can get the access rigths and split them:



                          user=${perms:0:1}
                          group=${perms:2:1}
                          other=${perms:2:1}
                          $myPerms=$user$user$other


                          Finally, just apply the new rights to the file:



                          chmod $myPerms my_file.txt


                          Some like this should work






                          share|improve this answer












                          You could use the stat command to retrieve the permissions by stat command:
                          [https://askubuntu.com/questions/152001/how-can-i-get-octal-file-permissions-from-command-line][1]:



                          perms=$(stat -c "%a" my_file.txt)


                          Then you can get the access rigths and split them:



                          user=${perms:0:1}
                          group=${perms:2:1}
                          other=${perms:2:1}
                          $myPerms=$user$user$other


                          Finally, just apply the new rights to the file:



                          chmod $myPerms my_file.txt


                          Some like this should work







                          share|improve this answer












                          share|improve this answer



                          share|improve this answer










                          answered 2 days ago









                          Luby Shandra

                          1212




                          1212






























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