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This document was auto-generated from the source by the clojure autodoc system.
To report errors or ask questions about the overall documentation structure, formatting,
etc., contact Tom Faulhaber (google mail name: tomfaulhaber).
For errors in the documentation of a particular namespace, contact the author of that
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  <h1 class="nopad">Table of Contents</h1>
  <div class="toc-section" style="margin-left: 1em;">
    <a style="margin-top: 3px;" href="#toc0">Overview</a>
  </div><div class="toc-section" style="margin-left: 1em;">
    <a style="margin-top: 3px;" href="#"></a>
  </div><div class="toc-section" style="margin-left: 1em;">
    <a style="margin-top: 3px;" href="#"></a>
  </div><div class="toc-section" style="margin-left: 1em;">
    <a style="margin-top: 3px;" href="#var-section">Vars and Functions</a>
    <div class="toc-entry" style="margin-left: 1em;">
      <a href="#clojure.main/demunge" class="toc-entry-anchor">demunge</a>
    </div><div class="toc-entry" style="margin-left: 1em;">
      <a href="#clojure.main/err-&gt;msg" class="toc-entry-anchor">err-&gt;msg</a>
    </div><div class="toc-entry" style="margin-left: 1em;">
      <a href="#clojure.main/ex-str" class="toc-entry-anchor">ex-str</a>
    </div><div class="toc-entry" style="margin-left: 1em;">
      <a href="#clojure.main/ex-triage" class="toc-entry-anchor">ex-triage</a>
    </div><div class="toc-entry" style="margin-left: 1em;">
      <a href="#clojure.main/load-script" class="toc-entry-anchor">load-script</a>
    </div><div class="toc-entry" style="margin-left: 1em;">
      <a href="#clojure.main/main" class="toc-entry-anchor">main</a>
    </div><div class="toc-entry" style="margin-left: 1em;">
      <a href="#clojure.main/renumbering-read" class="toc-entry-anchor">renumbering-read</a>
    </div><div class="toc-entry" style="margin-left: 1em;">
      <a href="#clojure.main/repl" class="toc-entry-anchor">repl</a>
    </div><div class="toc-entry" style="margin-left: 1em;">
      <a href="#clojure.main/repl-caught" class="toc-entry-anchor">repl-caught</a>
    </div><div class="toc-entry" style="margin-left: 1em;">
      <a href="#clojure.main/repl-exception" class="toc-entry-anchor">repl-exception</a>
    </div><div class="toc-entry" style="margin-left: 1em;">
      <a href="#clojure.main/repl-prompt" class="toc-entry-anchor">repl-prompt</a>
    </div><div class="toc-entry" style="margin-left: 1em;">
      <a href="#clojure.main/repl-read" class="toc-entry-anchor">repl-read</a>
    </div><div class="toc-entry" style="margin-left: 1em;">
      <a href="#clojure.main/repl-requires" class="toc-entry-anchor">repl-requires</a>
    </div><div class="toc-entry" style="margin-left: 1em;">
      <a href="#clojure.main/report-error" class="toc-entry-anchor">report-error</a>
    </div><div class="toc-entry" style="margin-left: 1em;">
      <a href="#clojure.main/root-cause" class="toc-entry-anchor">root-cause</a>
    </div><div class="toc-entry" style="margin-left: 1em;">
      <a href="#clojure.main/skip-if-eol" class="toc-entry-anchor">skip-if-eol</a>
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      <a href="#clojure.main/skip-whitespace" class="toc-entry-anchor">skip-whitespace</a>
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      <a href="#clojure.main/stack-element-str" class="toc-entry-anchor">stack-element-str</a>
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      <a href="#clojure.main/with-bindings" class="toc-entry-anchor">with-bindings</a>
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      <a href="#clojure.main/with-read-known" class="toc-entry-anchor">with-read-known</a>
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                <div id="content-tag"><h1 id="overview">API for <span id="clojure.main">clojure.main</span>
  - <span id="header-project">Clojure</span> <span id="header-version">v1.12.4</span><span id="header-status-block"> (<span id="header-status">stable</span>)</span>
<span id="author-line">by <span id="author-name">Stephen C. Gilardi and Rich Hickey</span><br /></span>
<br />Full namespace name: <span id="long-name">clojure.main</span>
<h2>Overview</h2>
<pre id="namespace-docstr">Top-level main function for Clojure REPL and scripts.</pre>
<div id="var-section">
  <h2>Public Variables and Functions</h2>
  <div id="var-entry">
    <h2 id="clojure.main/demunge">demunge</h2>
    <span id="var-type">function</span><br />
    <pre id="var-usage">Usage: (demunge fn-name)
    <pre id="var-docstr">Given a string representation of a fn class,
as in a stack trace element, returns a readable version.</pre>
    <pre id="var-specs"></pre>
    <span class="var-added"><span id="content">Added in Clojure version 1.3</span><br /></span>
    <a id="var-source" href="https://github.com/clojure/clojure/blob/b81660ee9cc50d830c33f943dbda8606ebac3806/src/clj/clojure/main.clj#L28">Source</a>
  </div><div id="var-entry">
    <h2 id="clojure.main/err-&gt;msg">err-&gt;msg</h2>
    <span id="var-type">function</span><br />
    <pre id="var-usage">Usage: (err-&gt;msg e)
    <pre id="var-docstr">Helper to return an error message string from an exception.</pre>
    <pre id="var-specs"></pre>
    <a id="var-source" href="https://github.com/clojure/clojure/blob/b81660ee9cc50d830c33f943dbda8606ebac3806/src/clj/clojure/main.clj#L342">Source</a>
  </div><div id="var-entry">
    <h2 id="clojure.main/ex-str">ex-str</h2>
    <span id="var-type">function</span><br />
    <pre id="var-usage">Usage: (ex-str {:clojure.error/keys [phase source path line column symbol class cause spec], :as triage-data})
    <pre id="var-docstr">Returns a string from exception data, as produced by ex-triage.
The first line summarizes the exception phase and location.
The subsequent lines describe the cause.</pre>
    <pre id="var-specs"></pre>
    <span class="var-added"><span id="content">Added in Clojure version 1.10</span><br /></span>
    <a id="var-source" href="https://github.com/clojure/clojure/blob/b81660ee9cc50d830c33f943dbda8606ebac3806/src/clj/clojure/main.clj#L268">Source</a>
  </div><div id="var-entry">
    <h2 id="clojure.main/ex-triage">ex-triage</h2>
    <span id="var-type">function</span><br />
    <pre id="var-usage">Usage: (ex-triage datafied-throwable)
    <pre id="var-docstr">Returns an analysis of the phase, error, cause, and location of an error that occurred
based on Throwable data, as returned by Throwable-&gt;map. All attributes other than phase
are optional:
  :clojure.error/phase - keyword phase indicator, one of:
    :read-source :compile-syntax-check :compilation :macro-syntax-check :macroexpansion
    :execution :read-eval-result :print-eval-result
  :clojure.error/source - file name (no path)
  :clojure.error/path - source path
  :clojure.error/line - integer line number
  :clojure.error/column - integer column number
  :clojure.error/symbol - symbol being expanded/compiled/invoked
  :clojure.error/class - cause exception class symbol
  :clojure.error/cause - cause exception message
  :clojure.error/spec - explain-data for spec error</pre>
    <pre id="var-specs"></pre>
    <span class="var-added"><span id="content">Added in Clojure version 1.10</span><br /></span>
    <a id="var-source" href="https://github.com/clojure/clojure/blob/b81660ee9cc50d830c33f943dbda8606ebac3806/src/clj/clojure/main.clj#L207">Source</a>
  </div><div id="var-entry">
    <h2 id="clojure.main/load-script">load-script</h2>
    <span id="var-type">function</span><br />
    <pre id="var-usage">Usage: (load-script path)
    <pre id="var-docstr">Loads Clojure source from a file or resource given its path. Paths
beginning with @ or @/ are considered relative to classpath.</pre>
    <pre id="var-specs"></pre>
    <a id="var-source" href="https://github.com/clojure/clojure/blob/b81660ee9cc50d830c33f943dbda8606ebac3806/src/clj/clojure/main.clj#L469">Source</a>
  </div><div id="var-entry">
    <h2 id="clojure.main/main">main</h2>
    <span id="var-type">function</span><br />
    <pre id="var-usage">Usage: (main &amp; args)
    <pre id="var-docstr">Usage: java -cp clojure.jar clojure.main [init-opt*] [main-opt] [arg*]
With no options or args, runs an interactive Read-Eval-Print Loop
init options:
  -i, --init path     Load a file or resource
  -e, --eval string   Evaluate expressions in string; print non-nil values
  --report target     Report uncaught exception to "file" (default), "stderr",
                      or "none", overrides System property clojure.main.report
main options:
  -m, --main ns-name  Call the -main function from a namespace with args
  -r, --repl          Run a repl
  path                Run a script from a file or resource
  -                   Run a script from standard input
  -h, -?, --help      Print this help message and exit
  - Establishes thread-local bindings for commonly set!-able vars
  - Enters the user namespace
  - Binds *command-line-args* to a seq of strings containing command line
    args that appear after any main option
  - Runs all init options in order
  - Calls a -main function or runs a repl or script if requested
The init options may be repeated and mixed freely, but must appear before
any main option. The appearance of any eval option before running a repl
suppresses the usual repl greeting message: "Clojure ~(clojure-version)".
Paths may be absolute or relative in the filesystem or relative to
classpath. Classpath-relative paths have prefix of @ or @/</pre>
    <pre id="var-specs"></pre>
    <a id="var-source" href="https://github.com/clojure/clojure/blob/b81660ee9cc50d830c33f943dbda8606ebac3806/src/clj/clojure/main.clj#L617">Source</a>
  </div><div id="var-entry">
    <h2 id="clojure.main/renumbering-read">renumbering-read</h2>
    <span id="var-type">function</span><br />
    <pre id="var-usage">Usage: (renumbering-read opts reader line-number)
    <pre id="var-docstr">Reads from reader, which must be a LineNumberingPushbackReader, while capturing
the read string. If the read is successful, reset the line number and re-read.
The line number on re-read is the passed line-number unless :line or
:clojure.core/eval-file meta are explicitly set on the read value.</pre>
    <pre id="var-specs"></pre>
    <span class="var-added"><span id="content">Added in Clojure version 1.10</span><br /></span>
    <a id="var-source" href="https://github.com/clojure/clojure/blob/b81660ee9cc50d830c33f943dbda8606ebac3806/src/clj/clojure/main.clj#L139">Source</a>
  </div><div id="var-entry">
    <h2 id="clojure.main/repl">repl</h2>
    <span id="var-type">function</span><br />
    <pre id="var-usage">Usage: (repl &amp; options)
    <pre id="var-docstr">Generic, reusable, read-eval-print loop. By default, reads from *in*,
writes to *out*, and prints exception summaries to *err*. If you use the
default :read hook, *in* must either be an instance of
LineNumberingPushbackReader or duplicate its behavior of both supporting
.unread and collapsing CR, LF, and CRLF into a single \newline. Options
are sequential keyword-value pairs. Available options and their defaults:
   - :init, function of no arguments, initialization hook called with
     bindings for set!-able vars in place.
     default: #()
   - :need-prompt, function of no arguments, called before each
     read-eval-print except the first, the user will be prompted if it
     returns true.
     default: (if (instance? LineNumberingPushbackReader *in*)
                #(.atLineStart *in*)
                #(identity true))
   - :prompt, function of no arguments, prompts for more input.
     default: repl-prompt
   - :flush, function of no arguments, flushes output
     default: flush
   - :read, function of two arguments, reads from *in*:
       - returns its first argument to request a fresh prompt
         - depending on need-prompt, this may cause the repl to prompt
           before reading again
       - returns its second argument to request an exit from the repl
       - else returns the next object read from the input stream
     default: repl-read
   - :eval, function of one argument, returns the evaluation of its
     argument
     default: eval
   - :print, function of one argument, prints its argument to the output
     default: prn
   - :caught, function of one argument, a throwable, called when
     read, eval, or print throws an exception or error
     default: repl-caught</pre>
    <pre id="var-specs"></pre>
    <a id="var-source" href="https://github.com/clojure/clojure/blob/b81660ee9cc50d830c33f943dbda8606ebac3806/src/clj/clojure/main.clj#L368">Source</a>
  </div><div id="var-entry">
    <h2 id="clojure.main/repl-caught">repl-caught</h2>
    <span id="var-type">function</span><br />
    <pre id="var-usage">Usage: (repl-caught e)
    <pre id="var-docstr">Default :caught hook for repl</pre>
    <pre id="var-specs"></pre>
    <a id="var-source" href="https://github.com/clojure/clojure/blob/b81660ee9cc50d830c33f943dbda8606ebac3806/src/clj/clojure/main.clj#L347">Source</a>
  </div><div id="var-entry">
    <h2 id="clojure.main/repl-exception">repl-exception</h2>
    <span id="var-type">function</span><br />
    <pre id="var-usage">Usage: (repl-exception throwable)
    <pre id="var-docstr">Returns the root cause of throwables</pre>
    <pre id="var-specs"></pre>
    <a id="var-source" href="https://github.com/clojure/clojure/blob/b81660ee9cc50d830c33f943dbda8606ebac3806/src/clj/clojure/main.clj#L171">Source</a>
  </div><div id="var-entry">
    <h2 id="clojure.main/repl-prompt">repl-prompt</h2>
    <span id="var-type">function</span><br />
    <pre id="var-usage">Usage: (repl-prompt)
    <pre id="var-docstr">Default :prompt hook for repl</pre>
    <pre id="var-specs"></pre>
    <a id="var-source" href="https://github.com/clojure/clojure/blob/b81660ee9cc50d830c33f943dbda8606ebac3806/src/clj/clojure/main.clj#L102">Source</a>
  </div><div id="var-entry">
    <h2 id="clojure.main/repl-read">repl-read</h2>
    <span id="var-type">function</span><br />
    <pre id="var-usage">Usage: (repl-read request-prompt request-exit)
    <pre id="var-docstr">Default :read hook for repl. Reads from *in* which must either be an
instance of LineNumberingPushbackReader or duplicate its behavior of both
supporting .unread and collapsing all of CR, LF, and CRLF into a single
\newline. repl-read:
  - skips whitespace, then
    - returns request-prompt on start of line, or
    - returns request-exit on end of stream, or
    - reads an object from the input stream, then
      - skips the next input character if it's end of line, then
      - returns the object.</pre>
    <pre id="var-specs"></pre>
    <a id="var-source" href="https://github.com/clojure/clojure/blob/b81660ee9cc50d830c33f943dbda8606ebac3806/src/clj/clojure/main.clj#L153">Source</a>
  </div><div id="var-entry">
    <h2 id="clojure.main/repl-requires">repl-requires</h2>
    <span id="var-type">var</span><br />
    <pre id="var-usage"></pre>
    <pre id="var-docstr">A sequence of lib specs that are applied to `require`
by default when a new command-line REPL is started.</pre>
    <pre id="var-specs"></pre>
    <a id="var-source" href="https://github.com/clojure/clojure/blob/b81660ee9cc50d830c33f943dbda8606ebac3806/src/clj/clojure/main.clj#L354">Source</a>
  </div><div id="var-entry">
    <h2 id="clojure.main/report-error">report-error</h2>
    <span id="var-type">function</span><br />
    <pre id="var-usage">Usage: (report-error t &amp; {:keys [target], :or {target file}, :as opts})
    <pre id="var-docstr">Create and output an exception report for a Throwable to target.
  :target - "file" (default), "stderr", "none"
If file is specified but cannot be written, falls back to stderr.</pre>
    <pre id="var-specs"></pre>
    <a id="var-source" href="https://github.com/clojure/clojure/blob/b81660ee9cc50d830c33f943dbda8606ebac3806/src/clj/clojure/main.clj#L585">Source</a>
  </div><div id="var-entry">
    <h2 id="clojure.main/root-cause">root-cause</h2>
    <span id="var-type">function</span><br />
    <pre id="var-usage">Usage: (root-cause t)
    <pre id="var-docstr">Returns the initial cause of an exception or error by peeling off all of
its wrappers</pre>
    <pre id="var-specs"></pre>
    <span class="var-added"><span id="content">Added in Clojure version 1.3</span><br /></span>
    <a id="var-source" href="https://github.com/clojure/clojure/blob/b81660ee9cc50d830c33f943dbda8606ebac3806/src/clj/clojure/main.clj#L35">Source</a>
  </div><div id="var-entry">
    <h2 id="clojure.main/skip-if-eol">skip-if-eol</h2>
    <span id="var-type">function</span><br />
    <pre id="var-usage">Usage: (skip-if-eol s)
    <pre id="var-docstr">If the next character on stream s is a newline, skips it, otherwise
leaves the stream untouched. Returns :line-start, :stream-end, or :body
to indicate the relative location of the next character on s. The stream
must either be an instance of LineNumberingPushbackReader or duplicate
its behavior of both supporting .unread and collapsing all of CR, LF, and
CRLF to a single \newline.</pre>
    <pre id="var-specs"></pre>
    <a id="var-source" href="https://github.com/clojure/clojure/blob/b81660ee9cc50d830c33f943dbda8606ebac3806/src/clj/clojure/main.clj#L107">Source</a>
  </div><div id="var-entry">
    <h2 id="clojure.main/skip-whitespace">skip-whitespace</h2>
    <span id="var-type">function</span><br />
    <pre id="var-usage">Usage: (skip-whitespace s)
    <pre id="var-docstr">Skips whitespace characters on stream s. Returns :line-start, :stream-end,
or :body to indicate the relative location of the next character on s.
Interprets comma as whitespace and semicolon as comment to end of line.
Does not interpret #! as comment to end of line because only one
character of lookahead is available. The stream must either be an
instance of LineNumberingPushbackReader or duplicate its behavior of both
supporting .unread and collapsing all of CR, LF, and CRLF to a single
\newline.</pre>
    <pre id="var-specs"></pre>
    <a id="var-source" href="https://github.com/clojure/clojure/blob/b81660ee9cc50d830c33f943dbda8606ebac3806/src/clj/clojure/main.clj#L121">Source</a>
  </div><div id="var-entry">
    <h2 id="clojure.main/stack-element-str">stack-element-str</h2>
    <span id="var-type">function</span><br />
    <pre id="var-usage">Usage: (stack-element-str el)
    <pre id="var-docstr">Returns a (possibly unmunged) string representation of a StackTraceElement</pre>
    <pre id="var-specs"></pre>
    <span class="var-added"><span id="content">Added in Clojure version 1.3</span><br /></span>
    <a id="var-source" href="https://github.com/clojure/clojure/blob/b81660ee9cc50d830c33f943dbda8606ebac3806/src/clj/clojure/main.clj#L62">Source</a>
  </div><div id="var-entry">
    <h2 id="clojure.main/with-bindings">with-bindings</h2>
    <span id="var-type">macro</span><br />
    <pre id="var-usage">Usage: (with-bindings &amp; body)
    <pre id="var-docstr">Executes body in the context of thread-local bindings for several vars
that often need to be set!: *ns* *warn-on-reflection* *math-context*
*print-meta* *print-length* *print-level* *compile-path*
*command-line-args* *1 *2 *3 *e</pre>
    <pre id="var-specs"></pre>
    <a id="var-source" href="https://github.com/clojure/clojure/blob/b81660ee9cc50d830c33f943dbda8606ebac3806/src/clj/clojure/main.clj#L76">Source</a>
  </div><div id="var-entry">
    <h2 id="clojure.main/with-read-known">with-read-known</h2>
    <span id="var-type">macro</span><br />
    <pre id="var-usage">Usage: (with-read-known &amp; body)
    <pre id="var-docstr">Evaluates body with *read-eval* set to a "known" value,
i.e. substituting true for :unknown if necessary.</pre>
    <pre id="var-specs"></pre>
    <a id="var-source" href="https://github.com/clojure/clojure/blob/b81660ee9cc50d830c33f943dbda8606ebac3806/src/clj/clojure/main.clj#L361">Source</a>
              </div>
            </div>
          </div>
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	  <div id="copyright" style="text-align: center;">Copyright 2007-2025 by Rich Hickey</div>
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      <div id="DesignedBy">Logo &amp; site design by <a href="http://www.tomhickey.com" title="Visit Tom Hickey's website.">Tom Hickey</a>.<br />
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