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1.1 ! root 1: #print ! 2: You can also use the "=" command to find out what ! 3: the 'current' line is. Since the current line ! 4: is named '.', the appropriate command is ! 5: .= ! 6: and so if you say ! 7: 3p ! 8: .= ! 9: the second command will print '3'. Since you should not ! 10: believe what I tell you without checking it, edit file ! 11: "doubt" and type the two commands above, which first ! 12: print line 3 (and incidentally set "." to that line) and ! 13: then ask what number "." is. Then type wq and ready. ! 14: #create doubt ! 15: you didn't have to print this line ! 16: you didn't have to print this line ! 17: to err is human, to really foul things up takes a computer ! 18: you didn't have to print this line ! 19: you didn't have to print this line ! 20: #copyout ! 21: #user ! 22: #uncopyout ! 23: grep :3 .ocopy >/dev/null ! 24: #log ! 25: #next ! 26: 14.2b 5
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