PATH (all upper case) is the name of an environment variable on Unix-like operating systems, DOS, OS/2, and Microsoft Windows, specifying a set of directories where executable programs are searched for.

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2
votes
2answers
371 views

What could cause which to not show something in the path?

There is an executable in my path that I believe is a perl script. >$scriptname $outputofscript but >which $scriptname which: 0652-141 There is no $scriptname in $path and the path it ...
9
votes
4answers
244 views

`which`, but all

I think most are familiar with the which command, and I use it frequently. I just ran into a situation where I'm curious not just which command is first in my path, but how many and where all the ...
6
votes
5answers
6k views

Find absolute path from a script

In a script I get in $0 the possible relative path to it. For converting it to absolute I've found this solution which I don't understand: abspath=$(cd ${0%/*} && echo $PWD/${0##*/}) My ...
8
votes
5answers
2k views

Find a file in the path without “which”?

I am (somehow) able to run a script: $ assemble.sh file ... [output] But which can't find it: $ which assemble.sh which: no assemble.sh in ...
2
votes
1answer
909 views

ps command not giving output in home directory

I am logging into a solaris server, switching to bash, then switching to another user "sruser" and switching to bash. /home/batch/sruser/ is the home directory of the user "sruser". The issue is ps ...
0
votes
2answers
1k views

installed java, but java -version not showing new java

I just installed jdk1.6.0. I have tried multiple ways to set the path variable and make java 1.6 my new running version. And nothing is working. Running centos5 virtual machine. alternatives --config ...
13
votes
4answers
743 views

keep duplicates out of $PATH on source

I have the following code that's source-d by my .shellrc PATH="${PATH}:${HOME}/perl5/bin" PATH="${PATH}:${HOME}/.bin" export PATH but if I make changes to other code and then source this file, my ...
13
votes
3answers
2k views

Share aliases and PATH setting between zsh and bash

The shell that I normally use is zsh. I have several aliases to enable color in some programs such as ls and grep. I've also set my custom path so that I can execute programs in non-standard place ...
2
votes
1answer
1k views

temporary setting the path in an “init” file

I have an "init" file that reads #!/bin/sh export PATH=$PATH:/home/me/morph_numsys/software/bin by which I'd just like to set the path to that folder for only this bash session. However, when I ...
5
votes
2answers
443 views

modify path globally

Is there a standard for $PATH and the order of things that are supposed to be in there? out of the box Arch Linux doesn't have /usr/local/bin in the $PATH. I want to add it but I'm not sure if there's ...