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[Bug 1399948] Re: Commands on found if both ./bin and ~/bin in PATH

 

Thanks.  That was indeed the problem.  I suspect that somewhere along
the line the checkhash option went from default on to default off.  I
merely need to set it to on in my .profile to get the behavior I expect.

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https://bugs.launchpad.net/bugs/1399948

Title:
  Commands on found if both ./bin and ~/bin in PATH

Status in bash package in Ubuntu:
  New

Bug description:
  I use (and have been using for 20 years or so) a path variable that looks like
  PATH=".;./bin;~/bin;$PATH"; export PATH

  This PATH should execute in priority:  project specific commands (in the working directory, or the bin
  subdirectory of the working directory), my personal commands (in my $HOME/bin folder) and then system commands.

  The problem seems to be that when I start a shell in my home directory, it will cache the location of commands in ~/bin
  as if they were in ./bin and then will be unable to find them if I cd out of my home directory.

  For example, I have a personal command called SlideShow:

  Here is a short example:
  ralmond@Limu:~$ file ~/bin/SlideShow
  /home/ralmond/bin/SlideShow: POSIX shell script, ASCII text executable
  ralmond@Limu:~$ # Works fine if I execute it from home directory
  ralmond@Limu:~$ SlideShow Pictures/
  ^C [Working as expected]
  ralmond@Limu:~$ cd Pictures/
  ralmond@Limu:~/Pictures$ #But if I change directory it does not work.
  ralmond@Limu:~/Pictures$ SlideShow Pics
  bash: ./bin/SlideShow: No such file or directory
  ralmond@Limu:~/Pictures$ #If I start the shell in a directory other than home it works
  ralmond@Limu:~/Pictures$ bash
  ralmond@Limu:~/Pictures$ SlideShow Pics
  ^C [Working as expected]

  I suspect that it is some cache which is not properly getting reset.

  Here are my system details:
  ralmond@Limu:~/Pictures$ lsb_release -rd
  Description:	Ubuntu 14.04.1 LTS
  Release:	14.04
  ralmond@Limu:~/Pictures$ apt-cache policy bash
  bash:
    Installed: 4.3-7ubuntu1.5
    Candidate: 4.3-7ubuntu1.5
    Version table:
   *** 4.3-7ubuntu1.5 0
          500 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
          500 http://security.ubuntu.com/ubuntu/ trusty-security/main amd64 Packages
          100 /var/lib/dpkg/status
       4.3-6ubuntu1 0
          500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
  ralmond@Limu:~/Pictures$ ^C
  ralmond@Limu:~/Pictures$

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