7
votes
1answer
201 views

Does POSIX guarantee that the standard utilities are in PATH?

In the "Command Search and Execution" section, the POSIX specification says that PATH is searched when finding a utility to execute (with some exceptions). Does the specification mention anywhere ...
14
votes
4answers
816 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 ...