Perhaps `shopt -s nullglob` has been set? “If set, Bash allows filename patterns which match no files to expand to a null string, rather than themselves.” [1]

Perhaps `shopt -s nullglob` has been set? “If set, Bash allows filename patterns which match no files to expand to a null string, rather than themselves.” [1] [1] https://www.gnu.org/software/bash/manual/html_node/The-Shopt-Builtin.html https://www.gnu.org/software/bash/manual/html_node/The-Shopt...