Set all LaTeX auxiliary files in the current directory (recursively) to be ignored by Dropbox (zsh and PowerShell scripts)

dropbox_ignore_auxiliary_files.ps1

# use Get-ChildItem to find all auxiliary files with extension .aux, .fls, .synctex.gz, .log, .ldb_latexmk and .xdv recursively
Get-ChildItem -Path $pwd\* -Recurse -Include *.aux, *.fls, *.synctex.gz, *.log, *.ldb_latexmk, *.xdv | ForEach-Object {
  # set the file to be ignored by Dropbox
  Set-Content -Path $_.FullName -Stream com.dropbox.ignored -Value 1
}

dropbox_ignore_auxiliary_files.sh

#!/usr/bin/env zsh

xattr -w com.dropbox.ignored 1 **/*.{aux,fdb_latexmk,fls,log,synctex.gz,xdv}