Prevent overwriting a file with redirection











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if I do:



$ node foo.js > output.d.ts


is there a way to configure the shell to do not overwrite the file if it already exists? Maybe a no-clobber option?






bash shell-script shell







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  • What shell are you using?
    – AlexP
    2 days ago










  • I am using the bash shell thx
    – Alexander Mills
    2 days ago















up vote
0
down vote

favorite












if I do:



$ node foo.js > output.d.ts


is there a way to configure the shell to do not overwrite the file if it already exists? Maybe a no-clobber option?






bash shell-script shell







share|improve this question






















  • What shell are you using?
    – AlexP
    2 days ago










  • I am using the bash shell thx
    – Alexander Mills
    2 days ago













up vote
0
down vote

favorite









up vote
0
down vote

favorite











if I do:



$ node foo.js > output.d.ts


is there a way to configure the shell to do not overwrite the file if it already exists? Maybe a no-clobber option?






bash shell-script shell







share|improve this question













if I do:



$ node foo.js > output.d.ts


is there a way to configure the shell to do not overwrite the file if it already exists? Maybe a no-clobber option?






bash shell-script shell




bash shell-script shell






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked 2 days ago









Alexander Mills

2,10211237




2,10211237












  • What shell are you using?
    – AlexP
    2 days ago










  • I am using the bash shell thx
    – Alexander Mills
    2 days ago


















  • What shell are you using?
    – AlexP
    2 days ago










  • I am using the bash shell thx
    – Alexander Mills
    2 days ago
















What shell are you using?
– AlexP
2 days ago




What shell are you using?
– AlexP
2 days ago












I am using the bash shell thx
– Alexander Mills
2 days ago




I am using the bash shell thx
– Alexander Mills
2 days ago










1 Answer
1






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is there a way to configure the shell to do not overwrite the file if it already exists? Maybe a no-clobber option?




Yes, there is the noclobber option:




Prevent output redirection using >, >&, and <> from overwriting existing files.




$ echo foo > bar

$ echo foo > bar

$ set -o noclobber

$ echo foo > bar

bash: bar: cannot overwrite existing file





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    is there a way to configure the shell to do not overwrite the file if it already exists? Maybe a no-clobber option?




    Yes, there is the noclobber option:




    Prevent output redirection using >, >&, and <> from overwriting existing files.




    $ echo foo > bar
    
$ echo foo > bar
    
$ set -o noclobber
    
$ echo foo > bar
    
bash: bar: cannot overwrite existing file





    share|improve this answer

























      up vote
      3
      down vote



      accepted











      is there a way to configure the shell to do not overwrite the file if it already exists? Maybe a no-clobber option?




      Yes, there is the noclobber option:




      Prevent output redirection using >, >&, and <> from overwriting existing files.




      $ echo foo > bar
      
$ echo foo > bar
      
$ set -o noclobber
      
$ echo foo > bar
      
bash: bar: cannot overwrite existing file





      share|improve this answer























        up vote
        3
        down vote



        accepted







        up vote
        3
        down vote



        accepted







        is there a way to configure the shell to do not overwrite the file if it already exists? Maybe a no-clobber option?




        Yes, there is the noclobber option:




        Prevent output redirection using >, >&, and <> from overwriting existing files.




        $ echo foo > bar
        
$ echo foo > bar
        
$ set -o noclobber
        
$ echo foo > bar
        
bash: bar: cannot overwrite existing file





        share|improve this answer













        is there a way to configure the shell to do not overwrite the file if it already exists? Maybe a no-clobber option?




        Yes, there is the noclobber option:




        Prevent output redirection using >, >&, and <> from overwriting existing files.




        $ echo foo > bar
        
$ echo foo > bar
        
$ set -o noclobber
        
$ echo foo > bar
        
bash: bar: cannot overwrite existing file






        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered 2 days ago









        Michael Homer

        44.8k7117156




        44.8k7117156






























             

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