Transform the “SharePoint” Suite Bar Text into a Breadcrumb with PowerShell

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$spInstalled = Get-PSSnapin ' Select-String Sharepoint
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if (!$spInstalled)
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{
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    Add-PSSnapin Microsoft.Sharepoint.PowerShell
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}
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$app = Get-SPWebApplication -Identity http://your-web-application-url
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$markup = @"
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<div id='javascript-breadcrumb' class='ms-core-brandingText' style='line-height: 15px; width: auto;'></div>
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<script>
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(function () {
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  if(document.addEventListener ) {
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      document.addEventListener('DOMContentLoaded', function() {
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          EnsureScriptFunc('sp.js', 'SP.ClientContext', JavascriptBreadcrumb);
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      }, false);
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  } else {
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      window.setTimeout(function() {
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          EnsureScriptFunc('sp.js', 'SP.ClientContext', JavascriptBreadcrumb);
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      }, 0);
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  }
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  function JavascriptBreadcrumb() {
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      this.elm = document.getElementById('javascript-breadcrumb');
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      // Show the list link
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      var list = "";
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      if (ctx !== null && typeof ctx !== "undefined" && _spPageContextInfo.pageListId !== null && typeof _spPageContextInfo.pageListId !== "undefined") {
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        if (ctx.listName !== null && typeof ctx.listName !== "undefined") {
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            if (_spPageContextInfo.pageListId.toUpperCase() == ctx.listName.toUpperCase()) {
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                list = "<a href='" + ctx.listUrlDir + "' title='" + ctx.ListTitle + "' style='color:#fff'>" + ctx.ListTitle + "</a> > ";
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                // Check if you are inside a folder
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                if (typeof ctx.rootFolder !== "undefined" && ctx.rootFolder !== "") {
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                    var listUrl = decodeURIComponent(ctx.listUrlDir);
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                    var rootFolder = decodeURIComponent(ctx.rootFolder);
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                    rootFolder = rootFolder.replace(listUrl, "");
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                    var folders = rootFolder.split("/");
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                    for (var i = 0; i < folders.length; i++) {
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                        if (folders[i] !== "" && typeof folders[i] !== "undefined") {
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                            listUrl = listUrl + "/" + folders[i];
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                            list += "<a href='" + listUrl + "' title='" + folders[i] + "' style='color:#fff'>" + folders[i] + "</a> > ";
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                        }
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                    }
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                }
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            }
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        }
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      }
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      this.breadcrumb = "<a href='" + _spPageContextInfo.webAbsoluteUrl + "' style='color:#fff;'>" + _spPageContextInfo.webTitle + "</a> > " + list + "<span style='font-style:italic;'>" + document.title + "</span>";
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      this.elm.innerHTML = this.breadcrumb;
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      var clientContext = new SP.ClientContext.get_current();
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      this.web = clientContext.get_web();
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      this.parentweb = this.web.get_parentWeb();
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      clientContext.load(this.parentweb);
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      clientContext.executeQueryAsync(Function.createDelegate(this, onQuerySuccess), Function.createDelegate(this, onCreationFail));
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  }
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  function onQuerySuccess() {
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      try {
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          if (typeof this.parentweb.get_title() !== "undefined" && this.parentweb.get_title().toLowerCase() !== "intranet") {
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              this.breadcrumb = "<a href='" + this.parentweb.get_serverRelativeUrl() + "' style='color:#fff'>" + this.parentweb.get_title() + "</a>" + " > " + this.breadcrumb;
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              this.elm.innerHTML = this.breadcrumb;
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              var clientContext = new SP.ClientContext(this.parentweb.get_serverRelativeUrl());
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              this.web = clientContext.get_web();
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              this.parentweb = this.web.get_parentWeb();
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              clientContext.load(this.parentweb);
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              clientContext.executeQueryAsync(Function.createDelegate(this, onQuerySuccess), Function.createDelegate(this, onCreationFail));
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          }
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      }
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      catch (e) {}
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  }
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  function onCreationFail() {}
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})();
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</script>
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"@
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$app.SuiteBarBrandingElementHtml = $markup
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$app.Update();

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$spInstalled = Get-PSSnapin ' Select-String Sharepoint
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if (!$spInstalled)
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{
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    Add-PSSnapin Microsoft.Sharepoint.PowerShell
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}
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$app = Get-SPWebApplication -Identity http://your-web-application-url
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$markup = "<div class='ms-core-brandingText'>SharePoint</div>"
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$app.SuiteBarBrandingElementHtml = $markup
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$app.Update();