How to Force Snow Leopard+ to consider a shell script safe.
You can tell OSX Snow Leopard to consider shell scripts safe to execute without a user prompt. This is useful for automation of certain tasks. You can use any UTI mime-type to allow any filetype you wish. To do so, place the below text in ~/Library/Preferences/com.apple.DownloadAssessment.plist
<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"><plistversion="1.0"><dict><key>LSRiskCategorySafe</key><dict><key>LSRiskCategoryContentTypes</key><array><string>public.shell-script</string></array></dict></dict></plist>