需要把这些关键字行取出来

Windows19

100g  log  效率  性能

a.txt
4gfgdg\[8654
45345btgtfdfddgggd
/[][ry4353453466434534rtyt/yr'
234235346465'/\.h\'rt;'uy6r\'y7;
gfgdg9687110575448
btgtfdfddgggd\';btgtfdfddgggd
4353453466434534.,/'4353453466434534/'ryrtytryrtlyphft''/
btgtfdfddgggd\';btgtfdfddgggd8654

'\kji']\;\lknokjp8
8u90ulknouh07kno078onk
/[][ry4353453466434534789rtyt/yr'
4gfgdgab\[8654243
我已经有1个B文本  需要把这些有关键字行取出来  而b文件大小仅5m左右  没有关键字的可以不输出

精确匹配b文本中关键字  数字串   子母串   后输出  区分大小写

b.txt
gfgdg
btgtfdfddgggd
4353453466434534
234235346465
8654
9687110575448
6789679869797897897879
uuighkhgihugouhjoihiohijoiioio

示例中颜色匹配关键子
大概应得结果,  log.txt

4gfgdg\[8654
45345btgtfdfddgggd
/[][ry4353453466434534rtyt/yr'
234235346465'/\.h\'rt;'uy6r\'y7;
gfgdg9687110575448
btgtfdfddgggd\';btgtfdfddgggd
4353453466434534.,/'4353453466434534/'ryrtytryrtlyphft''/
btgtfdfddgggd\';btgtfdfddgggd8654

谢谢了,,,

Windows19

高手在那？

quanpai

读A文件，然后一行一行去查，不行吗

Windows19

quanpai 发表于 2017-06-30 09:52
读A文件，然后一行一行去查，不行吗

也许按老师你思路可以吧，不妨试试

stanley_tam

egrep -f b.txt a.txt

Windows19

stanley_tam 发表于 2017-06-30 21:25
egrep -f b.txt a.txt

         
，，

Windows19

没看到精确匹配？

Windows19

想不到要实现起来这么难

rubyish

if linux? shishi biru.c


compile:
gcc -Wall -O3 -march=native -o biru biru.c `pkg-config --cflags --libs glib-2.0`

run:
./biru b  a  >  c


LINE: max line length
KEY: max key length

1. # define LINE     512
   
2. # define KEY      256

复制代码

biru.c

1. // gcc -Wall -O3 -march=native -o biru biru.c `pkg-config --cflags --libs glib-2.0`
   
2. // ./biru b a > c
   
3. 
   
4. # include <stdio.h>
   
5. # include <ctype.h>
   
6. # include <string.h>
   
7. # include <stdlib.h>
   
8. # include <glib.h>
   
9. 
   
10. # define LINE     512
    
11. # define KEY      256
    
12. 
    
13. # define insert   g_hash_table_insert
    
14. # define contains g_hash_table_contains
    
15. # define Table    g_hash_table_new_full
    
16. # define destroy  g_hash_table_destroy
    
17. # define STR      g_str_hash, g_str_equal
    
18. # define FREE     F_, F_
    
19. # define print(s) fputs (s, stdout)
    
20. 
    
21. typedef char *str;
    
22. typedef char kar;
    
23. typedef unsigned Int;
    
24. 
    
25. void alkaa (str);
    
26. void fari (str);
    
27. GHashTable *hash = NULL;
    
28. 
    
29. int main (int para, str *vec){
    
30.     fari (vec[1]);
    
31.     alkaa (vec[2]);
    
32.     destroy (hash);
    
33.     return 0;
    
34. } /* main */
    
35. 
    
36. /* ______________________ SUB ______________________ */
    
37. 
    
38. void F_ (gpointer data) {
    
39.     free (data);
    
40. }
    
41. 
    
42. void fari (str fil){
    
43.     FILE *lima = fopen (fil, "r");
    
44. 
    
45.     hash = Table (STR, FREE);
    
46.     kar garis[LINE] = { 0 };
    
47. 
    
48.     while (fgets (garis, LINE, lima)) {
    
49.         garis[strlen (garis) - 1] = 0;
    
50.         insert (hash, strdup (garis), NULL);
    
51.     }
    
52. }
    
53. 
    
54. 
    
55. void alkaa (str fil){
    
56.     FILE *lima      = fopen (fil, "r");
    
57.     kar garis[LINE] = { 0 };
    
58.     kar kunci[KEY]  = { 0 };
    
59. 
    
60.     while (fgets (garis, LINE, lima)) {
    
61.         kar *dat   = garis;
    
62.         Int aantal = 0;
    
63. 
    
64.         while (*dat) {
    
65.             if (!isalnum (*dat)) {
    
66.                 dat++;
    
67.                 continue;
    
68.             }
    
69. 
    
70.             str formaat = isdigit (*dat) ? "%[0-9]%n" : "%[a-zA-Z]%n";
    
71.             sscanf (dat, formaat, kunci, &aantal);
    
72.             
    
73.             if (contains (hash, kunci)) {
    
74.                 print (garis);
    
75.                 break;
    
76.             }
    
77.             
    
78.             dat += aantal;
    
79.         }
    
80.     }
    
81. } /* dos */
    
82. 
    

复制代码

Windows19

回复 9# rubyish
我将你的代码放入脚本后执行后
返回信息了

1. // gcc -Wall -O3 -march=native -o biru biru.c `pkg-config --cflags --libs glib-2.0`
   
2. // ./biru b a > c
   
3. 
   
4. # include <stdio.h>
   
5. # include <ctype.h>
   
6. # include <string.h>
   
7. # include <stdlib.h>
   
8. # include <glib.h>
   
9. 
   
10. # define LINE     512
    
11. # define KEY      256
    
12. 
    
13. # define insert   g_hash_table_insert
    
14. # define contains g_hash_table_contains
    
15. # define Table    g_hash_table_new_full
    
16. # define destroy  g_hash_table_destroy
    
17. # define STR      g_str_hash, g_str_equal
    
18. # define FREE     F_, F_
    
19. # define print(s) fputs (s, stdout)
    
20. 
    
21. typedef char *str;
    
22. typedef char kar;
    
23. typedef unsigned Int;
    
24. 
    
25. void alkaa (str);
    
26. void fari (str);
    
27. GHashTable *hash = NULL;
    
28. 
    
29. int main (int para, str *vec){
    
30.     fari (vec[1]);
    
31.     alkaa (vec[2]);
    
32.     destroy (hash);
    
33.     return 0;
    
34. } /* main */
    
35. 
    
36. /* ______________________ SUB ______________________ */
    
37. 
    
38. void F_ (gpointer data) {
    
39.     free (data);
    
40. }
    
41. 
    
42. void fari (str fil){
    
43.     FILE *lima = fopen (fil, "r");
    
44. 
    
45.     hash = Table (STR, FREE);
    
46.     kar garis[LINE] = { 0 };
    
47. 
    
48.     while (fgets (garis, LINE, lima)) {
    
49.         garis[strlen (garis) - 1] = 0;
    
50.         insert (hash, strdup (garis), NULL);
    
51.     }
    
52. }
    
53. 
    
54. 
    
55. void alkaa (str fil){
    
56.     FILE *lima      = fopen (fil, "r");
    
57.     kar garis[LINE] = { 0 };
    
58.     kar kunci[KEY]  = { 0 };
    
59. 
    
60.     while (fgets (garis, LINE, lima)) {
    
61.         kar *dat   = garis;
    
62.         Int aantal = 0;
    
63. 
    
64.         while (*dat) {
    
65.             if (!isalnum (*dat)) {
    
66.                 dat++;
    
67.                 continue;
    
68.             }
    
69. 
    
70.             str formaat = isdigit (*dat) ? "%[0-9]%n" : "%[a-zA-Z]%n";
    
71.             sscanf (dat, formaat, kunci, &aantal);
    
72.             
    
73.             if (contains (hash, kunci)) {
    
74.                 print (garis);
    
75.                 break;
    
76.             }
    
77.             
    
78.             dat += aantal;
    
79.         }
    
80.     }
    
81. } /* dos */
    
82. 
    

复制代码

$ ./biru b.txt  a.txt  >  c
./biru: line 1: pkg-config: command not found
./biru: line 1: //: Is a directory
./biru: line 2: //: Is a directory
./biru: line 21: typedef: command not found
./biru: line 22: typedef: command not found
./biru: line 23: typedef: command not found
./biru: line 25: syntax error near unexpected token `('
./biru: line 25: `void alkaa (str);'