Fix zsh config inclusion
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| Z(1)                             User Commands                            Z(1) | ||||
|  | ||||
|  | ||||
|  | ||||
| NAME | ||||
|        z - jump around | ||||
|  | ||||
| SYNOPSIS | ||||
|        z [-chlrtx] [regex1 regex2 ... regexn] | ||||
|  | ||||
| AVAILABILITY | ||||
|        bash, zsh | ||||
|  | ||||
| DESCRIPTION | ||||
|        Tracks your most used directories, based on 'frecency'. | ||||
|  | ||||
|        After  a  short  learning  phase, z will take you to the most 'frecent' | ||||
|        directory that matches ALL of the regexes given on the command line, in | ||||
|        order. | ||||
|  | ||||
|        For example, z foo bar would match /foo/bar but not /bar/foo. | ||||
|  | ||||
| OPTIONS | ||||
|        -c     restrict matches to subdirectories of the current directory | ||||
|  | ||||
|        -h     show a brief help message | ||||
|  | ||||
|        -l     list only | ||||
|  | ||||
|        -r     match by rank only | ||||
|  | ||||
|        -t     match by recent access only | ||||
|  | ||||
|        -x     remove the current directory from the datafile | ||||
|  | ||||
| EXAMPLES | ||||
|        z foo         cd to most frecent dir matching foo | ||||
|  | ||||
|        z foo bar     cd to most frecent dir matching foo, then bar | ||||
|  | ||||
|        z -r foo      cd to highest ranked dir matching foo | ||||
|  | ||||
|        z -t foo      cd to most recently accessed dir matching foo | ||||
|  | ||||
|        z -l foo      list all dirs matching foo (by frecency) | ||||
|  | ||||
| NOTES | ||||
|    Installation: | ||||
|        Put something like this in your $HOME/.bashrc or $HOME/.zshrc: | ||||
|  | ||||
|               . /path/to/z.sh | ||||
|  | ||||
|        cd around for a while to build up the db. | ||||
|  | ||||
|        PROFIT!! | ||||
|  | ||||
|        Optionally: | ||||
|               Set $_Z_CMD to change the command name (default z). | ||||
|               Set $_Z_DATA to change the datafile (default $HOME/.z). | ||||
|               Set $_Z_NO_RESOLVE_SYMLINKS to prevent symlink resolution. | ||||
|               Set $_Z_NO_PROMPT_COMMAND to handle PROMPT_COMMAND/precmd  your- | ||||
|               self. | ||||
|               Set $_Z_EXCLUDE_DIRS to an array of directory trees to  exclude. | ||||
|               Set $_Z_OWNER to allow usage when in 'sudo -s' mode. | ||||
|               (These  settings  should  go  in  .bashrc/.zshrc before the line | ||||
|               added above.) | ||||
|               Install   the   provided   man   page   z.1    somewhere    like | ||||
|               /usr/local/man/man1. | ||||
|  | ||||
|    Aging: | ||||
|        The rank of directories maintained by z undergoes aging based on a sim- | ||||
|        ple formula. The rank of each entry is incremented  every  time  it  is | ||||
|        accessed.  When the sum of ranks is over 9000, all ranks are multiplied | ||||
|        by 0.99. Entries with a rank lower than 1 are forgotten. | ||||
|  | ||||
|    Frecency: | ||||
|        Frecency is a portmanteau of 'recent' and 'frequency'. It is a weighted | ||||
|        rank  that depends on how often and how recently something occurred. As | ||||
|        far as I know, Mozilla came up with the term. | ||||
|  | ||||
|        To z, a directory that has low ranking but has been  accessed  recently | ||||
|        will  quickly  have  higher rank than a directory accessed frequently a | ||||
|        long time ago. | ||||
|  | ||||
|        Frecency is determined at runtime. | ||||
|  | ||||
|    Common: | ||||
|        When multiple directories match all queries, and they all have a common | ||||
|        prefix, z will cd to the shortest matching directory, without regard to | ||||
|        priority.  This has been in effect, if  undocumented,  for  quite  some | ||||
|        time, but should probably be configurable or reconsidered. | ||||
|  | ||||
|    Tab Completion: | ||||
|        z  supports tab completion. After any number of arguments, press TAB to | ||||
|        complete on directories that match each argument. Due to limitations of | ||||
|        the  completion  implementations,  only  the last argument will be com- | ||||
|        pleted in the shell. | ||||
|  | ||||
|        Internally, z decides you've requested a completion if the  last  argu- | ||||
|        ment  passed  is  an  absolute  path to an existing directory. This may | ||||
|        cause unexpected behavior if the last argument to z begins with /. | ||||
|  | ||||
| ENVIRONMENT | ||||
|        A function _z() is defined. | ||||
|  | ||||
|        The contents of the variable $_Z_CMD is aliased to _z 2>&1. If not set, | ||||
|        $_Z_CMD defaults to z. | ||||
|  | ||||
|        The  environment  variable $_Z_DATA can be used to control the datafile | ||||
|        location. If it is not defined, the location defaults to $HOME/.z. | ||||
|  | ||||
|        The environment variable $_Z_NO_RESOLVE_SYMLINKS can be set to  prevent | ||||
|        resolving  of  symlinks.  If  it  is  not  set,  symbolic links will be | ||||
|        resolved when added to the datafile. | ||||
|  | ||||
|        In bash, z appends a command to the PROMPT_COMMAND environment variable | ||||
|        to maintain its database. In zsh, z appends a function _z_precmd to the | ||||
|        precmd_functions array. | ||||
|  | ||||
|        The environment variable $_Z_NO_PROMPT_COMMAND can be set if  you  want | ||||
|        to handle PROMPT_COMMAND or precmd yourself. | ||||
|  | ||||
|        The  environment  variable  $_Z_EXCLUDE_DIRS  can be set to an array of | ||||
|        directory trees to exclude from tracking.  $HOME  is  always  excluded. | ||||
|        Directories must be full paths without trailing slashes. | ||||
|  | ||||
|        The  environment  variable  $_Z_OWNER  can  be set to your username, to | ||||
|        allow usage of z when your sudo environment keeps $HOME set. | ||||
|  | ||||
| FILES | ||||
|        Data is stored in $HOME/.z. This  can  be  overridden  by  setting  the | ||||
|        $_Z_DATA  environment variable. When initialized, z will raise an error | ||||
|        if this path is a directory, and not function correctly. | ||||
|  | ||||
|        A man page (z.1) is provided. | ||||
|  | ||||
| SEE ALSO | ||||
|        regex(7), pushd, popd, autojump, cdargs | ||||
|  | ||||
|        Please file bugs at https://github.com/rupa/z/ | ||||
|  | ||||
|  | ||||
|  | ||||
| z                                January 2013                             Z(1) | ||||
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