SOC 103M Winter 2002 Final Solutions                      
                                                                               
                                Dana Dahlstrom                                 

                                  2002.03.20                                   

 1. [54 points]
     a. [6 points] :%s/I/We/g
     b. [9 points] :%s/purple/orange/g or /purple followed by cworange or any
        other description of a working solution
     c. [3 points] 3G or :3 goes to line 3
     d. [3 points] 16| goes to column 16 in the current line
     e. [3 points] 2bw or bbw
     f. [3 points] $ goes to the end of the line
     g. [3 points] 4G or :4 (or j from line 3) goes to line 4. ^ goes to the
        first non-blank character. 0 goes to the first character even if blank.
        Also, 4G and :4 already go to the first non-blank character (j
        doesn't).
     h. [3 points] 3k or kkk
     i. [3 points] 3G or :3 goes to line 3; "a2yy yanks lines 3 and 4 into
        register a
     j. [3 points] 4G or :4 (or j from line 3) goes to line 4; "ap puts the two
        lines from register a below the cursor
     k. [3 points] 1G or :1 goes to line 1; O begins a new line above the
        cursor and enters insert mode; ESC or Ctrl-[ exits insert mode after
        typing title and blank line
     l. [6 points] Ctrl-D scrolls down half a screen; Ctrl-U scrolls up half a
        screen; H moves the cursor to the first non-blank character of the line
        at the top of the screen; L moves the cursor to the first non-blank
        character of the line at the bottom of the screen.
     m. [3 points] :3,$d (or 3GdG if file has at least 3 lines)
     n. [3 points] :wq writes the current file and quits
 2. [72 points]
     a. [9 points] grep "see" burgess.txt | grep -v "seen"
     b. [6 points] grep -v "cow" burgess.txt
     c. [6 points] grep "^$" burgess.txt
     d. [6 points] sort -k3,3 burgess.txt
     e. [12 points] cut -c5,6 burgess.txt | sort > burgess_cols5and6.srt
     f. [3 points] wc burgess.txt
     g. [12 points]
        ls
        ls > listoffiles.txt
        ls | wc -l
     h. [12 points]
        cd ..
        cd - or cd so103class
        mkdir schlemiel
     i. [6 points] cp burgess.txt schlemiel
 3. [130 points]
     a. [4 points] { print $0 } or just { print }
     b. [16 points] { if ($0 ~ /u/) print } or just /u/
     c. [8 points] { print $NF }
     d. [10 points] { print $0, NF }
     e. [16 points]
         
        BEGIN {
          for ( x = 1; x <= 3; ++x ) {
            print x
          }
        }
     f. [32 points]
         
        { tw[$2] += $3 }
        END {
          t_w_o = "Total weight of"
          print t_w_o, "females is", tw[2], "pounds"
          print t_w_o, "males is", tw[1], "pounds"
          print t_w_o, "everyone is", tw[1] + tw[2], "pounds"
        }
     g. [40 points]
         
        { ++num_people_named[$1] }
        END {
          for (name in num_people_named) {
            print name, num_people_named[name]
          }
        }
     h. [4 points] pipe the output to sort