1       #! /usr/bin/gawk -f

2       BEGIN {

3            c = 0

4       }

5       

6       /apple/ {

7            nr = NR

8            c++

9            # printf "[c, NR] = [%s, %s]\n", c, NR

10      }

11      

12      END {

13          print c

14      }

Watchpoint 1: c

1: c = untyped variable

2: nr = untyped variable

3: NR = 0

Breakpoint 2 set at file `watchpoint1.awk', line 6

Starting program: 

Stopping in Rule ...

Watchpoint 1: c

  Old value: untyped variable

  New value: 0

main() at `watchpoint1.awk':6

6       /apple/ {

1: c = 0

2: nr = untyped variable

3: NR = 1

Breakpoint 2, main() at `watchpoint1.awk':6

6       /apple/ {

1: c = 0

2: nr = untyped variable

3: NR = 1

Breakpoint 2, main() at `watchpoint1.awk':6

6       /apple/ {

1: c = 0

2: nr = untyped variable

3: NR = 2

Watchpoint 1: c

  Old value: 0

  New value: 1

main() at `watchpoint1.awk':6

6       /apple/ {

1: c = 1

2: nr = 2

3: NR = 3

Breakpoint 2, main() at `watchpoint1.awk':6

6       /apple/ {

1: c = 1

2: nr = 2

3: NR = 3

Breakpoint 2, main() at `watchpoint1.awk':6

6       /apple/ {

1: c = 1

2: nr = 2

3: NR = 4

Watchpoint 1: c

  Old value: 1

  New value: 2

main() at `watchpoint1.awk':6

6       /apple/ {

1: c = 2

2: nr = 4

3: NR = 5