在werl里，有没有统计行数的函数呢

shijiang1130

1. 16> m().
   
2. Module                File
   
3. application           d:\Program Files\erl6.1/lib/kernel-3.0.1/ebin/application.beam
   
4. application_controll  d:\Program Files\erl6.1/lib/kernel-3.0.1/ebin/application_controller.beam
   
5. application_master    d:\Program Files\erl6.1/lib/kernel-3.0.1/ebin/application_master.beam
   
6. base64                d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/base64.beam
   
7. beam_lib              d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/beam_lib.beam
   
8. binary                d:\Program Files\erl6.1/lib/stdlib-2.1/ebin/binary.beam
   
9. c                     d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/c.beam
   
10. calendar              d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/calendar.beam
    
11. code                  d:\Program Files\erl6.1/lib/kernel-3.0.1/ebin/code.beam
    
12. code_server           d:\Program Files\erl6.1/lib/kernel-3.0.1/ebin/code_server.beam
    
13. crypto                d:/Program Files/erl6.1/lib/crypto-3.4/ebin/crypto.beam
    
14. dict                  d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/dict.beam
    
15. edlin                 d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/edlin.beam
    
16. edlin_expand          d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/edlin_expand.beam
    
17. epp                   d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/epp.beam
    
18. erl_distribution      d:\Program Files\erl6.1/lib/kernel-3.0.1/ebin/erl_distribution.beam
    
19. erl_eval              d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/erl_eval.beam
    
20. erl_internal          d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/erl_internal.beam
    
21. erl_lint              d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/erl_lint.beam
    
22. erl_parse             d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/erl_parse.beam
    
23. erl_prim_loader       preloaded
    
24. erl_scan              d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/erl_scan.beam
    
25. erlang                preloaded
    
26. error_handler         d:\Program Files\erl6.1/lib/kernel-3.0.1/ebin/error_handler.beam
    
27. error_logger          d:\Program Files\erl6.1/lib/kernel-3.0.1/ebin/error_logger.beam
    
28. error_logger_tty_h    d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/error_logger_tty_h.beam
    
29. erts_internal         preloaded
    
30. ets                   d:\Program Files\erl6.1/lib/stdlib-2.1/ebin/ets.beam
    
31. file                  d:/Program Files/erl6.1/lib/kernel-3.0.1/ebin/file.beam
    
32. file_io_server        d:/Program Files/erl6.1/lib/kernel-3.0.1/ebin/file_io_server.beam
    
33. file_server           d:\Program Files\erl6.1/lib/kernel-3.0.1/ebin/file_server.beam
    
34. filelib               d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/filelib.beam
    
35. filename              d:\Program Files\erl6.1/lib/stdlib-2.1/ebin/filename.beam
    
36. gb_sets               d:\Program Files\erl6.1/lib/stdlib-2.1/ebin/gb_sets.beam
    
37. gb_trees              d:\Program Files\erl6.1/lib/stdlib-2.1/ebin/gb_trees.beam
    
38. gen                   d:\Program Files\erl6.1/lib/stdlib-2.1/ebin/gen.beam
    
39. gen_event             d:\Program Files\erl6.1/lib/stdlib-2.1/ebin/gen_event.beam
    
40. gen_fsm               d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/gen_fsm.beam
    
41. gen_server            d:\Program Files\erl6.1/lib/stdlib-2.1/ebin/gen_server.beam
    
42. gen_tcp               d:/Program Files/erl6.1/lib/kernel-3.0.1/ebin/gen_tcp.beam
    
43. global                d:\Program Files\erl6.1/lib/kernel-3.0.1/ebin/global.beam
    
44. global_group          d:\Program Files\erl6.1/lib/kernel-3.0.1/ebin/global_group.beam
    
45. group                 d:/Program Files/erl6.1/lib/kernel-3.0.1/ebin/group.beam
    
46. heart                 d:\Program Files\erl6.1/lib/kernel-3.0.1/ebin/heart.beam
    
47. hipe_unified_loader   d:\Program Files\erl6.1/lib/kernel-3.0.1/ebin/hipe_unified_loader.beam
    
48. inet                  d:\Program Files\erl6.1/lib/kernel-3.0.1/ebin/inet.beam
    
49. inet_config           d:\Program Files\erl6.1/lib/kernel-3.0.1/ebin/inet_config.beam
    
50. inet_db               d:\Program Files\erl6.1/lib/kernel-3.0.1/ebin/inet_db.beam
    
51. inet_gethost_native   d:/Program Files/erl6.1/lib/kernel-3.0.1/ebin/inet_gethost_native.beam
    
52. inet_parse            d:\Program Files\erl6.1/lib/kernel-3.0.1/ebin/inet_parse.beam
    
53. inet_tcp              d:/Program Files/erl6.1/lib/kernel-3.0.1/ebin/inet_tcp.beam
    
54. inet_udp              d:\Program Files\erl6.1/lib/kernel-3.0.1/ebin/inet_udp.beam
    
55. init                  preloaded
    
56. io                    d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/io.beam
    
57. io_lib                d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/io_lib.beam
    
58. io_lib_format         d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/io_lib_format.beam
    
59. io_lib_pretty         d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/io_lib_pretty.beam
    
60. kernel                d:\Program Files\erl6.1/lib/kernel-3.0.1/ebin/kernel.beam
    
61. kernel_config         d:/Program Files/erl6.1/lib/kernel-3.0.1/ebin/kernel_config.beam
    
62. lib                   d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/lib.beam
    
63. lists                 d:\Program Files\erl6.1/lib/stdlib-2.1/ebin/lists.beam
    
64. net_adm               d:/Program Files/erl6.1/lib/kernel-3.0.1/ebin/net_adm.beam
    
65. net_kernel            d:\Program Files\erl6.1/lib/kernel-3.0.1/ebin/net_kernel.beam
    
66. orddict               d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/orddict.beam
    
67. ordsets               d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/ordsets.beam
    
68. os                    d:\Program Files\erl6.1/lib/kernel-3.0.1/ebin/os.beam
    
69. otp_internal          d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/otp_internal.beam
    
70. otp_ring0             preloaded
    
71. prim_eval             preloaded
    
72. prim_file             preloaded
    
73. prim_inet             preloaded
    
74. prim_zip              preloaded
    
75. proc_lib              d:\Program Files\erl6.1/lib/stdlib-2.1/ebin/proc_lib.beam
    
76. proplists             d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/proplists.beam
    
77. pubkey_ssh            d:/Program Files/erl6.1/lib/public_key-0.22/ebin/pubkey_ssh.beam
    
78. public_key            d:/Program Files/erl6.1/lib/public_key-0.22/ebin/public_key.beam
    
79. ram_file              d:/Program Files/erl6.1/lib/kernel-3.0.1/ebin/ram_file.beam
    
80. rpc                   d:\Program Files\erl6.1/lib/kernel-3.0.1/ebin/rpc.beam
    
81. sets                  d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/sets.beam
    
82. shell                 d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/shell.beam
    
83. shell_default         d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/shell_default.beam
    
84. ssh                   d:/Program Files/erl6.1/lib/ssh-3.0.3/ebin/ssh.beam
    
85. ssh_app               d:/Program Files/erl6.1/lib/ssh-3.0.3/ebin/ssh_app.beam
    
86. ssh_auth              d:/Program Files/erl6.1/lib/ssh-3.0.3/ebin/ssh_auth.beam
    
87. ssh_bits              d:/Program Files/erl6.1/lib/ssh-3.0.3/ebin/ssh_bits.beam
    
88. ssh_channel           d:/Program Files/erl6.1/lib/ssh-3.0.3/ebin/ssh_channel.beam
    
89. ssh_connection        d:/Program Files/erl6.1/lib/ssh-3.0.3/ebin/ssh_connection.beam
    
90. ssh_connection_handl  d:/Program Files/erl6.1/lib/ssh-3.0.3/ebin/ssh_connection_handler.beam
    
91. ssh_file              d:/Program Files/erl6.1/lib/ssh-3.0.3/ebin/ssh_file.beam
    
92. ssh_io                d:/Program Files/erl6.1/lib/ssh-3.0.3/ebin/ssh_io.beam
    
93. ssh_math              d:/Program Files/erl6.1/lib/ssh-3.0.3/ebin/ssh_math.beam
    
94. ssh_message           d:/Program Files/erl6.1/lib/ssh-3.0.3/ebin/ssh_message.beam
    
95. ssh_shell             d:/Program Files/erl6.1/lib/ssh-3.0.3/ebin/ssh_shell.beam
    
96. ssh_sup               d:/Program Files/erl6.1/lib/ssh-3.0.3/ebin/ssh_sup.beam
    
97. ssh_transport         d:/Program Files/erl6.1/lib/ssh-3.0.3/ebin/ssh_transport.beam
    
98. sshc_sup              d:/Program Files/erl6.1/lib/ssh-3.0.3/ebin/sshc_sup.beam
    
99. sshd_sup              d:/Program Files/erl6.1/lib/ssh-3.0.3/ebin/sshd_sup.beam
    
100. standard_error        d:/Program Files/erl6.1/lib/kernel-3.0.1/ebin/standard_error.beam
     
101. string                d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/string.beam
     
102. supervisor            d:\Program Files\erl6.1/lib/stdlib-2.1/ebin/supervisor.beam
     
103. supervisor_bridge     d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/supervisor_bridge.beam
     
104. sys                   d:\Program Files\erl6.1/lib/stdlib-2.1/ebin/sys.beam
     
105. timer                 d:/Program Files/erl6.1/lib/stdlib-2.1/ebin/timer.beam
     
106. unicode               d:\Program Files\erl6.1/lib/stdlib-2.1/ebin/unicode.beam
     
107. user_drv              d:/Program Files/erl6.1/lib/kernel-3.0.1/ebin/user_drv.beam
     
108. user_sup              d:/Program Files/erl6.1/lib/kernel-3.0.1/ebin/user_sup.beam
     
109. zlib                  preloaded
     
110. ok
     

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比如以上的，我想知道一共有多少行

shijiang1130

虽然已经左边的行号已经告诉我了，是109行

arserangel

foreach 一下，然后累加，或者 弟递归，累加。。。不行？

shijiang1130

1. (b@sunil)88> erlang:loaded().
   
2. [error_logger_file_h,shell_default,calendar,edlin_expand,
   
3. lib,mnesia_log,dist_util,inet_gethost_native,net_adm,
   
4. io_lib_pretty,ram_file,beam_lib,mnesia_checkpoint,
   
5. mnesia_late_loader,mnesia_dumper,mnesia_snmp_sup,
   
6. mnesia_checkpoint_sup,mnesia_controller,mnesia_frag,
   
7. mnesia_schema,mnesia_tm,mnesia_recover,mnesia_sp,
   
8. mnesia_locker,mnesia_subscr,filelib,mnesia_bup,mnesia,
   
9. mnesia_lib|...]
   
10. (b@sunil)89> rp(erlang:loaded()).
    
11. [error_logger_file_h,shell_default,calendar,edlin_expand,
    
12. lib,mnesia_log,dist_util,inet_gethost_native,net_adm,
    
13. io_lib_pretty,ram_file,beam_lib,mnesia_checkpoint,
    
14. mnesia_late_loader,mnesia_dumper,mnesia_snmp_sup,
    
15. mnesia_checkpoint_sup,mnesia_controller,mnesia_frag,
    
16. mnesia_schema,mnesia_tm,mnesia_recover,mnesia_sp,
    
17. mnesia_locker,mnesia_subscr,filelib,mnesia_bup,mnesia,
    
18. mnesia_lib,mnesia_event,mnesia_monitor,mnesia_kernel_sup,
    
19. timer,mnesia_sup,erl_internal,otp_internal,sets,dict,
    
20. ordsets,erl_lint,erl_parse,erl_anno,erl_scan,io,epp,
    
21. file_io_server,orddict,erl_eval,c,error_logger_tty_h,
    
22. kernel_config,shell,queue,io_lib_format,proplists,io_lib,
    
23. edlin,group,user_drv,user_sup,supervisor_bridge,
    
24. standard_error,file_server,global_group,gen_tcp,inet_tcp,
    
25. file,auth,erl_epmd,inet_tcp_dist,net_kernel,
    
26. erl_distribution,inet_parse,inet,inet_udp,inet_config,
    
27. inet_db,global,rpc,code_server,unicode,os,
    
28. hipe_unified_loader,gb_trees,gb_sets,filename,ets,binary,
    
29. code,supervisor,kernel,application_master,application,
    
30. gen_server,lists,application_controller,proc_lib,gen,
    
31. gen_event,error_logger,heart,error_handler,erts_internal,
    
32. erlang,erl_prim_loader,prim_zip,zlib,prim_file,prim_inet,
    
33. prim_eval,init,otp_ring0]
    
34. ok
    
35. (b@sunil)90> length(erlang:loaded()).
    
36. 112
    
37. (b@sunil)91>

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