Use BASH nullglob To Verify *.c Files Exists or Not In a Directory last updated March 1, 2009 in Categories BASH Shell, CentOS, Debian / Ubuntu, File system, FreeBSD, Linux, RedHat and Friends, Suse, Troubleshooting, Ubuntu Linux, UNIXCan you explain me usage of nullglob variable under BASH? How do I check for any *.c files in any directory?