#Copy missing customers from database dbSrc to customers of dbDest database on localhost, finding missing records using the id field pgdiff --db dbSrc --db2 dbDest --table customers --keyfld id #Copy missing records from customers table of dbSrc on localhost, to dbDest on host 192.168.0.1, finding missing records using the id field pgdiff --db dbSrc --host2 192.168.0.1 --db2 dbDest --table customers --keyfld id #Copy missing records from 192.168.0.1 to localhost, database ecommerce, finding them by id #The --comparefld compares the prog field and if it is greater in the source database, it replaces the entire record pgdiff --db ecommerce --host 192.168.0.1 --host2 localhost --table orders --keyfld id --comparefld prog 

#Send simple email smail -s 'simple email' -f [email protected] -t [email protected] -b 'email body' #Send HTML email smail -s 'html email' -f [email protected] -t [email protected] -c 'text/html' -b 'email body <b>HTML</b>' #Read body from file cat file | smail -s 'stdin email' -f [email protected] -t [email protected] #email with attachment smail -s 'see attached file' -f [email protected] -t [email protected] -a file.jpg #email with 2 files attached smail -s 'see attached files' -f [email protected] -t [email protected] -a file1.jpg -a file2.pdf #If an option is not know, it is appended to the subject smail -s 'simple email' -f [email protected] -t [email protected] -b 'email body' ### is the same of ### smail simple email -f [email protected] -t [email protected] -b 'email body'