automatically repair rsnapshot config: replace spaces with tabs












0














rsnapshot is quite picky in its config: the commands have to be separated by TABs and not spaces.



if you use



rsnapshot configtest


you see the errors, but how can I automatically repair the errors and replace multiple space with tabs in the region where it is a problem?



I could use sed:



sed s/s+/t/g


but that would change the whole file.










share|improve this question
























  • Can you give an example of the config file, preferably with both examples for a space that should be replaced and one that should not?
    – Jeff Schaller
    Dec 19 '18 at 17:25
















0














rsnapshot is quite picky in its config: the commands have to be separated by TABs and not spaces.



if you use



rsnapshot configtest


you see the errors, but how can I automatically repair the errors and replace multiple space with tabs in the region where it is a problem?



I could use sed:



sed s/s+/t/g


but that would change the whole file.










share|improve this question
























  • Can you give an example of the config file, preferably with both examples for a space that should be replaced and one that should not?
    – Jeff Schaller
    Dec 19 '18 at 17:25














0












0








0


1





rsnapshot is quite picky in its config: the commands have to be separated by TABs and not spaces.



if you use



rsnapshot configtest


you see the errors, but how can I automatically repair the errors and replace multiple space with tabs in the region where it is a problem?



I could use sed:



sed s/s+/t/g


but that would change the whole file.










share|improve this question















rsnapshot is quite picky in its config: the commands have to be separated by TABs and not spaces.



if you use



rsnapshot configtest


you see the errors, but how can I automatically repair the errors and replace multiple space with tabs in the region where it is a problem?



I could use sed:



sed s/s+/t/g


but that would change the whole file.







text-processing sed whitespace rsnapshot






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Dec 19 '18 at 17:24









Jeff Schaller

38.8k1053125




38.8k1053125










asked Dec 19 '18 at 13:01









rubo77

7,4472569133




7,4472569133












  • Can you give an example of the config file, preferably with both examples for a space that should be replaced and one that should not?
    – Jeff Schaller
    Dec 19 '18 at 17:25


















  • Can you give an example of the config file, preferably with both examples for a space that should be replaced and one that should not?
    – Jeff Schaller
    Dec 19 '18 at 17:25
















Can you give an example of the config file, preferably with both examples for a space that should be replaced and one that should not?
– Jeff Schaller
Dec 19 '18 at 17:25




Can you give an example of the config file, preferably with both examples for a space that should be replaced and one that should not?
– Jeff Schaller
Dec 19 '18 at 17:25










1 Answer
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Based on some arbitrary files online (1 and 2), I came up with a sed statement that replaces spaces after text that looks like a command (letters and underscores) with a single tab:



sed 's/^([a-z_][a-z_]*)  */1t/' input > output


The escaped parenthesis capture the command (one or more letters & underscores, starting at the beginning of the line (^)), then require one or more spaces to follow that command; those patterns get replaced by the matched command (1) and a tab. This pattern match skips commented out lines (because # is not a letter or underscore).






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    1 Answer
    1






    active

    oldest

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    active

    oldest

    votes






    active

    oldest

    votes









    0














    Based on some arbitrary files online (1 and 2), I came up with a sed statement that replaces spaces after text that looks like a command (letters and underscores) with a single tab:



    sed 's/^([a-z_][a-z_]*)  */1t/' input > output


    The escaped parenthesis capture the command (one or more letters & underscores, starting at the beginning of the line (^)), then require one or more spaces to follow that command; those patterns get replaced by the matched command (1) and a tab. This pattern match skips commented out lines (because # is not a letter or underscore).






    share|improve this answer


























      0














      Based on some arbitrary files online (1 and 2), I came up with a sed statement that replaces spaces after text that looks like a command (letters and underscores) with a single tab:



      sed 's/^([a-z_][a-z_]*)  */1t/' input > output


      The escaped parenthesis capture the command (one or more letters & underscores, starting at the beginning of the line (^)), then require one or more spaces to follow that command; those patterns get replaced by the matched command (1) and a tab. This pattern match skips commented out lines (because # is not a letter or underscore).






      share|improve this answer
























        0












        0








        0






        Based on some arbitrary files online (1 and 2), I came up with a sed statement that replaces spaces after text that looks like a command (letters and underscores) with a single tab:



        sed 's/^([a-z_][a-z_]*)  */1t/' input > output


        The escaped parenthesis capture the command (one or more letters & underscores, starting at the beginning of the line (^)), then require one or more spaces to follow that command; those patterns get replaced by the matched command (1) and a tab. This pattern match skips commented out lines (because # is not a letter or underscore).






        share|improve this answer












        Based on some arbitrary files online (1 and 2), I came up with a sed statement that replaces spaces after text that looks like a command (letters and underscores) with a single tab:



        sed 's/^([a-z_][a-z_]*)  */1t/' input > output


        The escaped parenthesis capture the command (one or more letters & underscores, starting at the beginning of the line (^)), then require one or more spaces to follow that command; those patterns get replaced by the matched command (1) and a tab. This pattern match skips commented out lines (because # is not a letter or underscore).







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Dec 20 '18 at 14:34









        Jeff Schaller

        38.8k1053125




        38.8k1053125






























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