When would anyone want to use path trimming as with -p1 and so forth?

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AFAIK, Bash allows executing something and at the same time have some parts of the path removed, from left to right.



While -p0 argument will treat a path as is (which probably makes -p0 itself probably redundant):



/var/www/html/example.com


-p1 will remove the root slash, so it becomes:



var/www/html/example.com


I came to introduce this "methodology" when reading about patching modules of applications via CLUI, but I miss why would anyone want to remove a root slash from a path in shell scripting?









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    up vote
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    down vote

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    AFAIK, Bash allows executing something and at the same time have some parts of the path removed, from left to right.



    While -p0 argument will treat a path as is (which probably makes -p0 itself probably redundant):



    /var/www/html/example.com


    -p1 will remove the root slash, so it becomes:



    var/www/html/example.com


    I came to introduce this "methodology" when reading about patching modules of applications via CLUI, but I miss why would anyone want to remove a root slash from a path in shell scripting?









    share























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      AFAIK, Bash allows executing something and at the same time have some parts of the path removed, from left to right.



      While -p0 argument will treat a path as is (which probably makes -p0 itself probably redundant):



      /var/www/html/example.com


      -p1 will remove the root slash, so it becomes:



      var/www/html/example.com


      I came to introduce this "methodology" when reading about patching modules of applications via CLUI, but I miss why would anyone want to remove a root slash from a path in shell scripting?









      share













      AFAIK, Bash allows executing something and at the same time have some parts of the path removed, from left to right.



      While -p0 argument will treat a path as is (which probably makes -p0 itself probably redundant):



      /var/www/html/example.com


      -p1 will remove the root slash, so it becomes:



      var/www/html/example.com


      I came to introduce this "methodology" when reading about patching modules of applications via CLUI, but I miss why would anyone want to remove a root slash from a path in shell scripting?







      bash





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      asked 1 min ago









      JohnDoea

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