Adding a new entry to the PATH variable in ZSH

Question

I m using zsh and I m trying to add a new entry   home david pear bin  to the PATH variable but I don t know how   The thing that confuses me the most is that there s not a single reference to a PATH variable in my    zshrc file  but doing echo  PATH returns    usr lib lightdm lightdm  usr local sbin  usr local bin  usr sbin  usr bin  sbin  bin  usr games   So a PATH variable is being set somewhere

User · Answer

Added path to    zshrc    sudo vi    zshrc  add new path   export PATH   PATH  NEW DIRECTORY  bin   Update    zshrc   Save    zshrc    source    zshrc Check PATH  echo  PATH

User · Answer

OPTION 1  Add this line to    zshrc   export  PATH  HOME pear bin  PATH    After that you need to run source    zshrc in order your changes to take affect OR close this window and open a new one  OPTION 2  execute it inside the terminal console to add this path only to the current terminal window session  When you close the window session  it will be lost

User · Answer

Here  add this line to  zshrc   export PATH  home david pear bin  PATH   EDIT  This does work  but ony s answer below is better  as it takes advantage of the structured interface ZSH provides for variables like  PATH  This approach is standard for bash  but as far as I know  there is no reason to use it when ZSH provides better alternatives

User · Answer

Actually  using ZSH allows you to use special mapping of environment variables  So you can simply do     append path     home david pear bin     or prepend path    home david pear bin   path    export to sub-processes  make it inherited by child processes  export PATH   For me that s a very neat feature which can be propagated to other variables  Example   typeset -T LD LIBRARY PATH ld library path

User · Answer

You can append to your PATH in a minimal fashion   No need for parentheses unless you re appending more than one element   It also usually doesn t need quotes   So the simple  short way to append is  path   some new bin dir  This lower-case syntax is using path as an array  yet also affects its upper-case partner equivalent  PATH  to which it is  quot bound quot  via typeset    Notice that no   is needed wanted as a separator   Common interactive usage Then the common pattern for testing a new script executable becomes  path   PWD     or path   PWD bin  Common config usage You can sprinkle path settings around your  zshrc  as above  and it will naturally lead to the earlier listed settings taking precedence  though you may occasionally still want to use the  quot prepend quot  form path   some new bin dir  path    Related tidbits Treating path this way  as an array  also means  no need to do a rehash to get the newly pathed commands to be found  Also take a look at vared path as a dynamic way to edit path  and other things   You may only be interested in path for this question  but since we re talking about exports and arrays  note that arrays generally cannot be exported  You can even prevent PATH from taking on duplicate entries  refer to this and this   typeset -U path

User · Answer

one liner  without opening    zshrc file  echo -n  export PATH   bin  PATH   gt  gt     zshrc   or   echo -n  export PATH  HOME bin  PATH   gt  gt     zshrc   To see the effect  do source    zshrc in the same tab or open a new tab

[linux] Adding a new entry to the PATH variable in ZSH

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