[Bug 470037] Re: sudo tab autocomplete shows erratic behavior with spaces in names

[Romanos Dodopoulos]

Reproducible at ubuntu 12.04
It is annoying, I was trying to run (sudo) a program and I couldn't figure where was the directory.

simple example1:
t at ubuntu:~/test$ ls
test  test space
t at ubuntu:~/test$ ./test  #pressing tab
test/       test space/ 
t at ubuntu:~/test$ sudo ./test #pressing tab
space  test/  

OR, example2:
t at ubuntu:~/test$ ls | grep cud
cuda
cuda pdfs
t at ubuntu:~/test$ ./cuda #pressing tab
cuda/      cuda pdfs/ 
t at ubuntu:~/test$ sudo ./cuda #pressing tab
cuda/ pdfs

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https://bugs.launchpad.net/bugs/470037

Title:
  sudo tab autocomplete shows erratic behavior with spaces in names

Status in “bash-completion” package in Ubuntu:
  Confirmed

Bug description:
  Binary package hint: bash-completion

  I have observed this behavior on two machines running Ubuntu AMD64
  9.10

  To reproduce, open up a terminal with bash
  Then go to a directory that contains a folder or directory with spaces in its name.
  Type "sudo ./" and then the first part of the name before the space. Ie, if you have "Ubuntu One" in your directory, type:
  sudo ./Ubuntu

  This will yield output like:
  mike at telescreen:~$ sudo ./Ubuntu
  One     Ubuntu  

  Going further, if you type:
  sudo ./Ubuntu\ 
  (note the space on the end of that)
  Hitting tab will yield
  mike at telescreen:~$ sudo ./Ubuntu\\\ 
  (with a space on the end)

  If you continue and type:
  sudo ./Ubuntu\ One/
  Hitting tab will yield:
  mike at telescreen:~$ sudo ./Ubuntu\\\ One/
  hitting tab again with resort to what you originally typed without the extra backslashes/escapes.

  ProblemType: Bug
  Architecture: amd64
  Date: Sun Nov  1 23:30:31 2009
  DistroRelease: Ubuntu 9.10
  InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
  NonfreeKernelModules: nvidia
  Package: bash-completion 1:1.0-3ubuntu2
  PackageArchitecture: all
  ProcEnviron:
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
  SourcePackage: bash-completion
  Uname: Linux 2.6.31-14-generic x86_64

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