https://bulldo.gs/ Plain-English Google Apps Script recipes for Sheets, Gmail, and Drive. en https://bulldo.gs/set-a-cell-number-format-with-a-script-in-google-sheets/ https://bulldo.gs/set-a-cell-number-format-with-a-script-in-google-sheets/ Fri, 03 Jul 2026 00:00:00 GMT Use Apps Script's setNumberFormat() to apply currency, date, percentage, and custom number patterns to any cell or range — without changing the underlying stored value. https://bulldo.gs/send-an-email-with-an-inline-image-in-gmail/ https://bulldo.gs/send-an-email-with-an-inline-image-in-gmail/ Fri, 03 Jul 2026 00:00:00 GMT How to embed an image directly in a Gmail message body using Apps Script's htmlBody and inlineImages options, so the image renders inline instead of appearing as an attachment. https://bulldo.gs/create-a-time-driven-trigger-in-code-apps-script/ https://bulldo.gs/create-a-time-driven-trigger-in-code-apps-script/ Fri, 03 Jul 2026 00:00:00 GMT How to programmatically install an hourly (or daily) time-driven trigger in Apps Script using ScriptApp.newTrigger(), and how to avoid stacking duplicate triggers every time the installer runs. https://bulldo.gs/unpivot-a-wide-table-into-rows-in-google-sheets/ https://bulldo.gs/unpivot-a-wide-table-into-rows-in-google-sheets/ Fri, 03 Jul 2026 00:00:00 GMT Turn a wide pivot table into a tidy long format in Google Sheets using Apps Script — one output row per value, with columns for key, category, and value. https://bulldo.gs/sort-drive-files-by-date-with-apps-script/ https://bulldo.gs/sort-drive-files-by-date-with-apps-script/ Fri, 03 Jul 2026 00:00:00 GMT DriveApp's file iterator returns files in no guaranteed order. Learn how to collect files into an array and sort them by getDateCreated() or getLastUpdated() before processing. https://bulldo.gs/get-the-active-users-email-in-apps-script/ https://bulldo.gs/get-the-active-users-email-in-apps-script/ Fri, 03 Jul 2026 00:00:00 GMT Session.getActiveUser().getEmail() returns an empty string for cross-domain viewers and form respondents — learn exactly when it works, when it silently fails, and how to pull the real email from event objects instead. https://bulldo.gs/copy-files-between-drive-folders-in-google-drive/ https://bulldo.gs/copy-files-between-drive-folders-in-google-drive/ Fri, 03 Jul 2026 00:00:00 GMT Use Apps Script to copy every file from one Google Drive folder into another — with a duplicate guard so re-running the script doesn't create a mess. https://bulldo.gs/apply-conditional-formatting-with-a-script-in-google-sheets/ https://bulldo.gs/apply-conditional-formatting-with-a-script-in-google-sheets/ Fri, 03 Jul 2026 00:00:00 GMT How to build and attach a conditional formatting rule in Google Sheets using Apps Script — without wiping the existing rules already on the sheet. https://bulldo.gs/delete-all-triggers-for-a-project-apps-script/ https://bulldo.gs/delete-all-triggers-for-a-project-apps-script/ Fri, 03 Jul 2026 00:00:00 GMT How to delete every installable trigger in an Apps Script project using ScriptApp.getProjectTriggers() and deleteTrigger() — fixes the 20-trigger limit and clears duplicate triggers left by re-run setup functions. https://bulldo.gs/scrape-a-web-page-into-google-sheets-with-apps-script/ https://bulldo.gs/scrape-a-web-page-into-google-sheets-with-apps-script/ Fri, 03 Jul 2026 00:00:00 GMT Use UrlFetchApp.fetch to grab raw HTML from any public URL, then extract a specific value with a targeted regex — no DOM parser needed, no external dependencies. https://bulldo.gs/pause-a-script-with-utilities-sleep-apps-script/ https://bulldo.gs/pause-a-script-with-utilities-sleep-apps-script/ Fri, 03 Jul 2026 00:00:00 GMT Utilities.sleep pauses Apps Script execution for milliseconds — useful for tight rate-limit gaps, but a long sleep burns your 6-minute execution budget. Learn when to use it and when to reach for a trigger instead. https://bulldo.gs/use-negative-search-operators-in-gmail-apps-script/ https://bulldo.gs/use-negative-search-operators-in-gmail-apps-script/ Fri, 03 Jul 2026 00:00:00 GMT GmailApp.search() accepts the same query syntax as the Gmail search box, including minus-prefixed operators like -label:, -from:, and -is:starred to exclude threads from results. https://bulldo.gs/check-if-a-cell-contains-text-in-google-sheets/ https://bulldo.gs/check-if-a-cell-contains-text-in-google-sheets/ Fri, 03 Jul 2026 00:00:00 GMT How to test if a cell contains a specific string in Google Sheets using Apps Script — covering single-cell checks with getValue() and the fast, correct pattern for whole-column scans with getValues(). https://bulldo.gs/keep-a-stable-web-app-url-across-deployments-apps-script/ https://bulldo.gs/keep-a-stable-web-app-url-across-deployments-apps-script/ Fri, 03 Jul 2026 00:00:00 GMT Every time you hit "New deployment" in Apps Script you get a fresh /exec URL and everything pointing to the old one breaks. Use a named deployment and update its version instead. https://bulldo.gs/get-a-direct-download-link-for-a-drive-file-apps-script/ https://bulldo.gs/get-a-direct-download-link-for-a-drive-file-apps-script/ Fri, 03 Jul 2026 00:00:00 GMT Learn how to generate a direct download link for a Google Drive file in Apps Script. The /view URL opens a preview; the download endpoint is https://drive.google.com/uc?export=download&id=FILE_ID. This page shows you how to build that URL programmatically and share the file so the link works for others. https://bulldo.gs/get-a-column-by-its-header-name-in-google-sheets/ https://bulldo.gs/get-a-column-by-its-header-name-in-google-sheets/ Fri, 03 Jul 2026 00:00:00 GMT Stop hard-coding column numbers in Apps Script. Build a header map from row 1 so your script survives inserted columns without silently returning wrong data. https://bulldo.gs/add-a-hyperlink-inside-cell-text-in-google-sheets/ https://bulldo.gs/add-a-hyperlink-inside-cell-text-in-google-sheets/ Fri, 03 Jul 2026 00:00:00 GMT Use Apps Script's RichTextValueBuilder to link a substring inside a cell — something the HYPERLINK() formula can't do. https://bulldo.gs/convert-markdown-to-a-google-doc-in-google-docs/ https://bulldo.gs/convert-markdown-to-a-google-doc-in-google-docs/ Fri, 03 Jul 2026 00:00:00 GMT A step-by-step Apps Script that parses Markdown headings and bold runs line-by-line and writes them to a Google Doc as real paragraph styles and bold text—no third-party libraries needed. https://bulldo.gs/run-a-script-when-a-new-email-arrives-in-gmail/ https://bulldo.gs/run-a-script-when-a-new-email-arrives-in-gmail/ Fri, 03 Jul 2026 00:00:00 GMT Gmail has no native push trigger for Apps Script. Learn the correct pattern: a time-driven trigger, an unread label search, and a processed-label guard to stay idempotent. https://bulldo.gs/test-a-trigger-function-in-apps-script/ https://bulldo.gs/test-a-trigger-function-in-apps-script/ Fri, 03 Jul 2026 00:00:00 GMT Trigger functions receive an event object you can't produce by hand. Build a fake e with the exact fields your handler reads, then run it directly from the editor or a test function. https://bulldo.gs/extract-a-drive-file-id-from-a-url-apps-script/ https://bulldo.gs/extract-a-drive-file-id-from-a-url-apps-script/ Fri, 03 Jul 2026 00:00:00 GMT One regex function that pulls the file ID out of every Drive URL shape — /d/ID/, ?id=ID, and open?id= — without brittle string splitting. https://bulldo.gs/convert-between-timezones-in-google-sheets/ https://bulldo.gs/convert-between-timezones-in-google-sheets/ Fri, 03 Jul 2026 00:00:00 GMT Use Utilities.formatDate with an IANA timezone string to convert dates between timezones in Google Apps Script — DST-aware, no manual offset math required. https://bulldo.gs/get-driving-distance-between-two-addresses-in-google-sheets/ https://bulldo.gs/get-driving-distance-between-two-addresses-in-google-sheets/ Fri, 03 Jul 2026 00:00:00 GMT Use Google Apps Script and the Maps service to calculate driving distance between two addresses directly in a Sheets formula, with caching to stay inside the Maps quota. https://bulldo.gs/use-properties-service-for-global-state-in-apps-script/ https://bulldo.gs/use-properties-service-for-global-state-in-apps-script/ Fri, 03 Jul 2026 00:00:00 GMT A top-level const in Apps Script resets to its initial value on every execution. Use PropertiesService to store a cursor, flag, or counter that survives between trigger runs. https://bulldo.gs/generate-a-unique-id-in-google-sheets/ https://bulldo.gs/generate-a-unique-id-in-google-sheets/ Fri, 03 Jul 2026 00:00:00 GMT Use Apps Script and Utilities.getUuid() to stamp a permanent, collision-proof UUID into every new row — written once, never overwritten on re-run. https://bulldo.gs/view-logs-and-debug-with-logger-in-apps-script/ https://bulldo.gs/view-logs-and-debug-with-logger-in-apps-script/ Fri, 03 Jul 2026 00:00:00 GMT Logger.log in Apps Script does not print to any console you can see while the script runs. Here is where to find the output, why console.log behaves differently, and how to read the Executions panel before the logs expire. https://bulldo.gs/work-with-multiple-ranges-using-rangelist-in-google-sheets/ https://bulldo.gs/work-with-multiple-ranges-using-rangelist-in-google-sheets/ Fri, 03 Jul 2026 00:00:00 GMT getRangeList lets you clear, format, or check/uncheck several disjoint ranges in a single Apps Script call — but it cannot read cell values. Learn when to use it and what to reach for instead. https://bulldo.gs/get-a-spreadsheet-id-in-google-sheets/ https://bulldo.gs/get-a-spreadsheet-id-in-google-sheets/ Fri, 03 Jul 2026 00:00:00 GMT Two ways to pull a Google Sheets spreadsheet ID in Apps Script: getActiveSpreadsheet().getId() for the file you're in, and a one-line regex to extract it from any pasted /spreadsheets/d/<id>/edit URL. https://bulldo.gs/force-a-custom-function-to-recalculate-in-google-sheets/ https://bulldo.gs/force-a-custom-function-to-recalculate-in-google-sheets/ Fri, 03 Jul 2026 00:00:00 GMT Custom functions in Google Sheets cache their results and only re-run when their arguments change. Learn how to break that cache with a dummy NOW() argument or a time-driven trigger that writes a refresh token. https://bulldo.gs/number-the-headings-in-a-google-doc-in-google-docs/ https://bulldo.gs/number-the-headings-in-a-google-doc-in-google-docs/ Fri, 03 Jul 2026 00:00:00 GMT Walk the body paragraphs of a Google Doc, detect each HEADING type, and prepend an incrementing counter using Apps Script — since Docs has no built-in heading numbering. https://bulldo.gs/create-a-form-from-spreadsheet-data-in-google-forms/ https://bulldo.gs/create-a-form-from-spreadsheet-data-in-google-forms/ Fri, 12 Jun 2026 00:00:00 GMT Use Google Apps Script to read a spreadsheet and programmatically build a Google Form, including how to filter blank cells that cause setChoiceValues() to throw 'Invalid data updating form'. https://bulldo.gs/route-responses-to-different-sheets-by-answer-in-google-forms/ https://bulldo.gs/route-responses-to-different-sheets-by-answer-in-google-forms/ Fri, 12 Jun 2026 00:00:00 GMT Use a form-bound onFormSubmit trigger and getItemResponses() to read answers and append rows to different sheets based on the value — without the undefined e.namedValues error that catches everyone the first time. https://bulldo.gs/move-uploaded-files-into-a-drive-folder-in-google-forms/ https://bulldo.gs/move-uploaded-files-into-a-drive-folder-in-google-forms/ Fri, 12 Jun 2026 00:00:00 GMT How to use Apps Script to automatically move file-upload responses from a Google Form into a specific Drive folder, using DriveApp.getFileById() to resolve the ID strings that itemResponse.getResponse() actually returns. https://bulldo.gs/jump-to-a-section-based-on-an-answer-in-google-forms/ https://bulldo.gs/jump-to-a-section-based-on-an-answer-in-google-forms/ Fri, 12 Jun 2026 00:00:00 GMT Use Apps Script to wire Google Forms branching by attaching PageBreakItem targets to each choice — the one thing the UI editor makes tedious and scripts make repeatable. https://bulldo.gs/grade-a-quiz-with-a-script-in-google-forms/ https://bulldo.gs/grade-a-quiz-with-a-script-in-google-forms/ Fri, 12 Jun 2026 00:00:00 GMT How to auto-grade a Google Forms quiz with Apps Script using setScore(), setFeedback(), and the required submitGrades() call that actually persists the results. https://bulldo.gs/insert-a-linked-sheets-chart-into-a-slide-in-google-slides/ https://bulldo.gs/insert-a-linked-sheets-chart-into-a-slide-in-google-slides/ Fri, 12 Jun 2026 00:00:00 GMT Use Apps Script to insert a linked Sheets chart into a Google Slides presentation and keep it current with a refresh trigger — because insertSheetsChart() only captures the chart at insertion time. https://bulldo.gs/sort-slides-alphabetically-by-title-in-google-slides/ https://bulldo.gs/sort-slides-alphabetically-by-title-in-google-slides/ Fri, 12 Jun 2026 00:00:00 GMT Reorder Google Slides by title text using Apps Script. Covers the index-shift trap in Slide.move() and the correct pattern: sort handles in memory, then move in ascending order. https://bulldo.gs/set-speaker-notes-on-every-slide-in-google-slides/ https://bulldo.gs/set-speaker-notes-on-every-slide-in-google-slides/ Fri, 12 Jun 2026 00:00:00 GMT How to read and write speaker notes on every slide in Google Slides using Apps Script — the NotesPage indirection that getShapes() silently skips. https://bulldo.gs/export-each-slide-as-a-png-in-google-slides/ https://bulldo.gs/export-each-slide-as-a-png-in-google-slides/ Fri, 12 Jun 2026 00:00:00 GMT SlidesApp has no built-in image export. Use the Advanced Slides Service (Slides.Presentations.Pages.getThumbnail) to fetch a per-page PNG blob immediately — the contentUrl expires in ~30 minutes, so UrlFetchApp it in the same execution. https://bulldo.gs/generate-certificates-from-a-template-in-google-slides/ https://bulldo.gs/generate-certificates-from-a-template-in-google-slides/ Fri, 12 Jun 2026 00:00:00 GMT Use Apps Script to copy a Slides template once per row, replace placeholder text, then call saveAndClose() before exporting — skipping that flush is why your PDFs come out blank.