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1.1 ! root 1: #print ! 2: On the right side of a substitute, none of the other ! 3: special characters mean anything unusual. Thus, if you wanted to ! 4: replace the letter 'a' by an asterisk, for example, the obvious ! 5: can and would work: ! 6: ! 7: s/a/*/p ! 8: ! 9: Try, in the file "data", replacing the comma on the last line ! 10: with a period. Then rewrite the file and type "ready". ! 11: #create Ref ! 12: Square Roots ! 13: 1.00 1.00 ! 14: 2.00 1.42 ! 15: 3.00 1.73 ! 16: 4.00 2.00 ! 17: You really shouldn't be ! 18: printing all of this file - ! 19: did you forget that '$' is ! 20: the address of the last ! 21: line of a file? ! 22: Use that instead of printing everything. ! 23: 5.00 2.23 ! 24: 6.00 2.45 ! 25: 7.00 2.65 ! 26: 8.00 2.83 ! 27: #create data ! 28: Square Roots ! 29: 1.00 1.00 ! 30: 2.00 1.42 ! 31: 3.00 1.73 ! 32: 4.00 2.00 ! 33: You really shouldn't be ! 34: printing all of this file - ! 35: did you forget that '$' is ! 36: the address of the last ! 37: line of a file? ! 38: Use that instead of printing everything. ! 39: 5.00 2.23 ! 40: 6.00 2.45 ! 41: 7.00 2.65 ! 42: 8.00 2,83 ! 43: #user ! 44: #cmp data Ref ! 45: #log ! 46: #next ! 47: 36.2d 5
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