How to Fix “Cannot Find Module” When Node.js Scripts Run From Cron in 2026 The “Cannot Find Module” error under cron is almost never a missing file — it is cron running your script with a different working directory, a different PATH, and a different shell environment than your interactive terminal. The fix is to…
Bash Script to Rename Files Recursively With Regex and Dry-Run Preview You need to rename a few hundred files across nested directories, the pattern is regular enough to describe with a regex, and you would rather not find out you got it wrong after the fact. The one-liner that gets you a safe preview: find…
Bash Script to Batch Rename Files With Spaces to Underscores Recursively (2026) Filenames with spaces break more automation than almost anything else: xargs splits them, for f in $(ls) tears them apart, and half your CI pipeline quietly does the wrong thing. The fix is one recursive pass that swaps every space for an underscore,…
How to Monitor a Directory for New Files in Bash and Run a Command Automatically You drop a file into a watched folder, nothing happens, and you spend an hour blaming your script when the real problem is that the file was written in two chunks and your handler fired on the first, half-written one….
Bash Script to Rename Files in Bulk With Regex and a Dry-Run Preview You have 4,000 files named like IMG_20260314_final_v2.jpg and you need them to be 2026-03-14-final-v2.jpg. The one-liner that does the work without touching a single file is the dry run: find . -maxdepth 1 -type f -name ‘*.jpg’ -print0 \ | while IFS=…