sudoedit.8 bash -c %27cat %3E %2Fetc%2Fcvmfs%2Fdefault.local %3C%3CEOF%0ACVMFS_REPOSITORIES%3D%22cvmfs-config.computecanada.ca%2Csoft.computecanada.ca%22%0ACVMFS_STRICT_MOUNT%3D%22yes%22%0ACVMFS_QUOTA_LIMIT%3D10000%0AEOF%27 
execute a command as another user
source manpages: sudoedit