Installed Oh-My-Zsh, slight polybar change (brightness)

.oh-my-zsh/plugins/scd/README.md

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+# scd - smart change of directory
+
+Define `scd` shell function for changing to any directory with
+a few keystrokes.
+
+`scd` keeps history of the visited directories, which serves as an index of
+the known paths.  The directory index is updated after every `cd` command in
+the shell and can be also filled manually by running `scd -a`.  To switch to
+some directory, `scd` needs few fragments of the desired path to match with
+the index.  A selection menu is displayed in case of several matches, with a
+preference given to recently visited paths.  `scd` can create permanent
+directory aliases, which appear as named directories in zsh session.
+
+## INSTALLATION NOTES
+
+Besides oh-my-zsh, `scd` can be used with *bash*, *dash* or *tcsh*
+shells and is also available as [Vim](http://www.vim.org/) plugin and
+[IPython](http://ipython.org/) extension.  For installation details, see
+https://github.com/pavoljuhas/smart-change-directory.
+
+## SYNOPSIS
+
+```sh
+scd [options] [pattern1 pattern2 ...]
+```
+
+## OPTIONS
+
+<dl><dt>
+-a, --add</dt><dd>
+  add specified directories to the directory index.</dd><dt>
+
+--unindex</dt><dd>
+  remove current or specified directories from the index.</dd><dt>
+
+-r, --recursive</dt><dd>
+  apply options <em>--add</em> or <em>--unindex</em> recursively.</dd><dt>
+
+--alias=ALIAS</dt><dd>
+  create alias for the current or specified directory and save it to
+  <em>~/.scdalias.zsh</em>.</dd><dt>
+
+--unalias</dt><dd>
+  remove ALIAS definition for the current or specified directory from
+  <em>~/.scdalias.zsh</em>.</dd><dt>
+
+-A, --all</dt><dd>
+  include all matching directories.  Disregard matching by directory
+  alias and filtering of less likely paths.</dd><dt>
+
+--list</dt><dd>
+  show matching directories and exit.</dd><dt>
+
+-v, --verbose</dt><dd>
+  display directory rank in the selection menu.</dd><dt>
+
+-h, --help</dt><dd>
+  display this options summary and exit.</dd>
+</dl>
+
+## Examples
+
+```sh
+# Index recursively some paths for the very first run
+scd -ar ~/Documents/
+
+# Change to a directory path matching "doc"
+scd doc
+
+# Change to a path matching all of "a", "b" and "c"
+scd a b c
+
+# Change to a directory path that ends with "ts"
+scd "ts$"
+
+# Show selection menu and ranking of 20 most likely directories
+scd -v
+
+# Alias current directory as "xray"
+scd --alias=xray
+
+# Jump to a previously defined aliased directory
+scd xray
+```
+
+# FILES
+
+<dl><dt>
+~/.scdhistory</dt><dd>
+    time-stamped index of visited directories.</dd><dt>
+
+~/.scdalias.zsh</dt><dd>
+    scd-generated definitions of directory aliases.</dd>
+</dl>
+
+# ENVIRONMENT
+
+<dl><dt>
+SCD_HISTFILE</dt><dd>
+    path to the scd index file (by default ~/.scdhistory).</dd><dt>
+
+SCD_HISTSIZE</dt><dd>
+    maximum number of entries in the index (5000).  Index is trimmed when it
+    exceeds <em>SCD_HISTSIZE</em> by more than 20%.</dd><dt>
+
+SCD_MENUSIZE</dt><dd>
+    maximum number of items for directory selection menu (20).</dd><dt>
+
+SCD_MEANLIFE</dt><dd>
+    mean lifetime in seconds for exponential decay of directory
+    likelihood (86400).</dd><dt>
+
+SCD_THRESHOLD</dt><dd>
+    threshold for cumulative directory likelihood.  Directories with
+    a lower likelihood compared to the best match are excluded (0.005).
+    </dd><dt>
+
+SCD_SCRIPT</dt><dd>
+    command script file where scd writes the final <code>cd</code>
+    command.  This variable must be defined when scd runs in its own
+    process rather than as a shell function.  It is up to the
+    scd caller to use the output in <em>SCD_SCRIPT</em>.</dd>
+</dl>