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#include <stdio.h>
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int maintain_userlogs (char *user_logdir)
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{
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   char command[256];
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   int size=0,count=0;
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   FILE *fs;
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   char fname[30];
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   while (1)
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     {
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       strcpy(command , "du -ch ");
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       strcat(command , user_logdir);
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       strcat(command , " | awk 'END {print $1}' > size.txt");
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       system(command);
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       printf ("%s\n",command);
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       fs=fopen("size.txt" , "r");
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       fscanf(fs,"%d",&size);
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       fclose(fs);
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       system ("rm -f size.txt");
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       printf ("%d\n",size);
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       if (size >= 300)
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        {
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          strcpy(command , "ls -1t ");
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          strcat(command , user_logdir);
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          strcat(command , " | awk 'END {print $1}' > fname.txt");
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          system(command);
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       printf ("%s\n",command);
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          fs=fopen("fname.txt" , "r");
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          fscanf(fs,"%s",fname);
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          fclose(fs);
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          system ("rm -f fname.txt");
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          strcpy(command , "ls -1t ");
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          strcat(command , user_logdir);
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          strcat(command , " | awk 'END{print NR,$1}' > count.txt");
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          system(command);
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       printf ("%s\n",command);
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          fs=fopen("count.txt" , "r");
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          fscanf(fs,"%d,%s",&count,fname);
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          fclose(fs);
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          system ("rm -f count.txt");
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       printf ("%d\n",count);
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          if (count <= 2)
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          break;
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          strcpy(command , "rm -f ");
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          strcat(command , user_logdir);
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          strcat(command , fname);
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          system(command);
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       printf ("%s\n",command);
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        }
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       else
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       break;
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     }
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}
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