/usr/sbin/update-icon-caches is in libgtk-3-bin 3.18.9-1ubuntu3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 | #!/bin/sh
case "$1" in
""|-h|--help)
echo "Usage: $0 directory [ ... ]"
exit 1
;;
esac
for dir in "$@"; do
if [ ! -d "$dir" ]; then
continue
fi
if [ -f "$dir"/index.theme ]; then
# Generate or regenerate the cache
if ! gtk-update-icon-cache-3.0 --force --quiet "$dir"; then
echo "WARNING: icon cache generation failed for $dir"
fi
else
# No more index.theme, remove the cache if it exists
rm -f "$dir"/icon-theme.cache
rmdir -p --ignore-fail-on-non-empty "$dir"
fi
done
exit 0
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