list and display png files on CLI

find all filetype png, sort by time, newest first, grep a pattern, filter the stream of its filename and pass the filename as stdin to the sxiv image viewer.

; find ./ \( -iname '*.png' \) -type f -exec ls -lt --time-style=+"%Y-%m-%d %T" {} + | sort -k6,7 | grep "fun" | awk {'print '} | sxiv -i