Disables icon previews and preview column for all users in macOS High Sierra.

DisableIconPreviewHighSierra.sh

#!/bin/bash

# Disable Icon preview for all column view

UserList=$(ls -1 /Users | grep -vi .localized | grep -vi Shared | grep -vi Deleted | grep -vi guest | grep -vi root)

for u in $UserList ;

do


# Delete the existing column preview setting

/usr/libexec/PlistBuddy -c "Delete StandardViewOptions:ColumnViewOptions:ShowIconThumbnails" /Users/$u/Library/Preferences/com.apple.finder.plist;
/usr/libexec/PlistBuddy -c "Delete StandardViewOptions:ColumnViewOptions:ColumnShowIcons" /Users/$u/Library/Preferences/com.apple.finder.plist;


# Reset the column preview setting to off

/usr/libexec/PlistBuddy -c "Add StandardViewOptions:ColumnViewOptions:ShowIconThumbnails bool false" /Users/$u/Library/Preferences/com.apple.finder.plist;
/usr/libexec/PlistBuddy -c "Add StandardViewOptions:ColumnViewOptions:ColumnShowIcons bool false" /Users/$u/Library/Preferences/com.apple.finder.plist;

chown $u /Users/$u/Library/Preferences/com.apple.finder.plist

done

# Delete prefs/plist cache
killall cfprefsd

# Restart the Finder
killall Finder