emp.data Beth	4.00	0
emp.data Dan	3.75	0
emp.data Kathy	4.00	10
emp.data Mark	5.00	20
emp.data Mary	5.50	22
emp.data Susie	4.25	18
05.awk { print $1, $3 }
28.awk { print NF, $1, $NF }
06.awk { print $1, $2 * $3 }
07.awk { print NR, $0 }
10.awk { print "total pay for", $1, "is", $2 * $3 }
11.awk { printf("total pay for %s is $%.2f\n", $1, $2 * $3) }
11a.awk { printf("%-8s $%6.2f\n", $1, $2 * $3) }
08.sh awk '{ printf("%6.2f  %s\n", $2 * $3, $0) }' emp.data | sort
12.awk $2 >= 5
13.awk $2 * $3 > 50 { printf("$%.2f for %s\n", $2 * $3, $1) }
14.awk $1 == "Susie"
15.awk /Susie/
20.awk $2 >= 4 || $3 >= 20
21.awk $2 >= 4
21.awk $3 >= 20
22.awk !($2 < 4 && $3 < 20)
26.awk NF != 3   { print $0, "number of fields is not equal to 3" }
26.awk $2 < 3.35 { print $0, "rate is below minimum wage" }
26.awk $2 > 10   { print $0, "rate exceeds $10 per hour" }
26.awk $3 < 0    { print $0, "negative hours worked" }
26.awk $3 > 60   { print $0, "too many hours worked" }
30.awk BEGIN { print "NAME    RATE   HOURS";  print "" }
30.awk       { print }
31.awk $3 > 15 { emp = emp + 1 }
31.awk END     { print emp, "employees worked more than 15 hours" }
31a.awk END { print NR, "employees" }
32.awk     { pay = pay + $2 * $3 }
32.awk END { print NR, "employees"
32.awk       print "total pay is", pay
32.awk       print "average pay is", pay/NR
32.awk     }
33.awk $2 > maxrate { maxrate = $2; maxemp = $1 }
33.awk END { print "highest hourly rate:", maxrate, "for", maxemp }
34.awk     { names = names $1 " " }
34.awk END { print names }
33a.awk     { last = $0 }
33a.awk END { print last }
40.awk { print $1, length($1) }
40a.awk     { nc = nc + length($0) + 1
40a.awk       nw = nw + NF
40a.awk     }
40a.awk END { print NR, "lines,", nw, "words,", nc, "characters" }
41.awk $2 > 6 { n = n + 1; pay = pay + $2 * $3 }
41.awk END    { if (n > 0)
41.awk              print n, "employees, total pay is", pay,
41.awk                       "average pay is", pay/n
41.awk          else
41.awk              print "no employees are paid more than $6/hour"
41.awk        }
interest1.awk # interest1 - compute compound interest
interest1.awk #   input:  amount  rate  years
interest1.awk #   output: compounded value at the end of each year
interest1.awk 
interest1.awk {   i = 1
interest1.awk     while (i <= $3) {
interest1.awk         printf("\t%.2f\n", $1 * (1 + $2) ^ i)
interest1.awk         i = i + 1
interest1.awk     }
interest1.awk }
forint.awk # interest2 - compute compound interest
forint.awk #   input:  amount  rate  years
forint.awk #   output: compounded value at the end of each year
forint.awk 
forint.awk {   for (i = 1; i <= $3; i = i + 1)
forint.awk         printf("\t%.2f\n", $1 * (1 + $2) ^ i)
forint.awk }
50.awk # reverse - print input in reverse order by line
50.awk 
50.awk     { line[NR] = $0 }  # remember each input line
50.awk 
50.awk END { i = NR           # print lines in reverse order
50.awk       while (i > 0) {
50.awk           print line[i]
50.awk           i = i - 1
50.awk       }
50.awk     }
51.awk # reverse - print input in reverse order by line
51.awk 
51.awk     { line[NR] = $0 }  # remember each input line
51.awk 
51.awk END { for (i = NR; i > 0; i = i - 1)
51.awk           print line[i]
51.awk     }
61.awk END { print NR }
62.awk NR == 10
66.awk { print $NF }
63.awk     { field = $NF}
63.awk END { print field }
64.awk NF > 4
65.awk $NF > 4
67.awk     { nf = nf + NF }
67.awk END { print nf }
68.awk /Beth/ { nlines = nlines + 1 }
68.awk END    { print nlines }
69.awk $1 > max { max = $1; maxline = $0 }
69.awk END      { print max, maxline }
70.awk NF > 0
71.awk length($0) > 80
72.awk { print NF, $0 }
73.awk { print $2, $1 }
74.awk { temp = $1; $1 = $2; $2 = temp; print }
75.awk { $1 = NR; print }
76.awk { $2 = ""; print }
77.awk { for (i = NF; i > 0; i = i - 1) printf("%s ", $i)
77.awk   printf("\n")
77.awk }
78.awk { sum = 0
78.awk   for (i = 1; i <= NF; i = i + 1) sum = sum + $i
78.awk   print sum
78.awk }
79.awk     { for (i = 1; i <= NF; i = i + 1) sum = sum + $i }
79.awk END { print sum }
80.awk { for (i = 1; i <= NF; i = i + 1) if ($i < 0) $i = -$i
80.awk   print
80.awk }

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