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#include <stdlib.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <unistd.h> |
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|
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#define MAX_FILES 1000 |
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#define STR_BUFFER 2000 |
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|
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void usage( void ); |
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|
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char* program_name; |
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|
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|
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int main( int argc, char* argv[] ){ |
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|
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double realTime, currentTime, lastTime; |
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double boxX, boxY, boxZ; |
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char* foo; |
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char* in_name[MAX_FILES]; |
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char readBuffer[STR_BUFFER]; |
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char writeBuffer[STR_BUFFER]; |
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int i,j,k; |
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int lineNum; |
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|
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int current_flag; |
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int done; |
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|
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char* out_name; |
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int have_out = 0; |
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|
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int timeMod = 1; |
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|
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int nFiles; |
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int index; |
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|
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int printMe = 0; |
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int skipFirst = 0; |
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|
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FILE *in_file; |
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FILE *out_file; |
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|
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program_name = argv[0]; |
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|
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nFiles = 0; |
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for( i = 1; i < argc; i++){ |
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|
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if(argv[i][0] =='-'){ |
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|
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// parse the option |
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|
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if(argv[i][1] == '-' ){ |
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|
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// parse long word options |
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|
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fprintf( stderr, |
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"Invalid option \"%s\"\n", argv[i] ); |
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usage(); |
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|
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} |
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|
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else{ |
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|
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// parse single character options |
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|
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done = 0; |
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j = 1; |
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current_flag = argv[i][j]; |
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while( (current_flag != '\0') && (!done) ){ |
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|
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switch(current_flag){ |
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|
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case 'o': |
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// -o <outFile> => the output file. |
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|
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i++; |
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out_name = argv[i]; |
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have_out = 1; |
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done = 1; |
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break; |
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|
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case 't': |
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// -t <#> => the time increment |
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|
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i++; |
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timeMod = atoi( argv[i] ); |
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done = 1; |
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break; |
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|
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case 'h': |
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// -h => display help |
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|
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usage(); |
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break; |
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|
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case 's': |
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// -b => skip first frame |
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|
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skipFirst = 1; |
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break; |
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|
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default: |
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|
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(void)fprintf(stderr, "Bad option \"-%c\"\n", current_flag); |
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usage(); |
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} |
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j++; |
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current_flag = argv[i][j]; |
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} |
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} |
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} |
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|
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else{ |
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|
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nFiles++; |
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if( nFiles >= MAX_FILES ){ |
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printf( "Error, MAX_FILES, %d, exceeded at %s\n", MAX_FILES, argv[i] ); |
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exit(0); |
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} |
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|
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in_name[(nFiles-1)] = argv[i]; |
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} |
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} |
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|
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if( !have_out ){ |
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|
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in_file = fopen( in_name[0], "r" ); |
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lineNum =0; |
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if( in_file == NULL ){ |
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printf( "Error opening \"%s\"\n", out_name ); |
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exit(8); |
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} |
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|
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fgets( readBuffer, sizeof( readBuffer ), in_file ); |
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lineNum++; |
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if( feof( in_file ) ){ |
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printf( "File %s ended unexpectedly at line %d\n", out_name, lineNum ); |
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exit(8); |
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} |
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|
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while( !feof( in_file ) ){ |
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|
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i = atoi(readBuffer); |
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|
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fgets( readBuffer, sizeof( readBuffer ), in_file ); |
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lineNum++; |
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if( feof( in_file ) ){ |
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printf( "File %s ended unexpectedly at line %d\n", |
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out_name, lineNum); |
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exit(8); |
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} |
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|
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foo = strtok( readBuffer, " \t;,\n" ); |
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lastTime = atof( foo ); |
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|
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for(j=0; j<i; j++){ |
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|
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fgets( readBuffer, sizeof( readBuffer ), in_file ); |
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lineNum++; |
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if( feof( in_file ) ){ |
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printf( "File %s ended unexpectedly at line %d," |
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" with atom %d\n", out_name, lineNum, j); |
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exit(8); |
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} |
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|
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} |
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|
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fgets( readBuffer, sizeof( readBuffer ), in_file ); |
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lineNum++; |
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} |
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|
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fclose( in_file ); |
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|
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out_file = fopen( in_name[0], "a" ); |
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} |
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|
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else{ |
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|
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out_file = fopen( out_name, "w" ); |
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lastTime = 0.0; |
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|
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in_file = fopen( in_name[0], "r" ); |
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lineNum = 0; |
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if( in_file == NULL ){ |
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printf( "Error opening \"%s\"\n", in_name[0] ); |
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exit(8); |
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} |
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|
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fgets( readBuffer, sizeof( readBuffer ), in_file ); |
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lineNum++; |
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if( feof( in_file ) ){ |
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printf( "File %s ended unexpectedly at line %d\n", in_name[0], lineNum ); |
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exit(8); |
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} |
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|
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while( !feof( in_file ) ){ |
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|
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|
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i = atoi(readBuffer); |
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|
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fgets(readBuffer, sizeof(readBuffer), in_file); |
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lineNum++; |
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if( feof( in_file ) ){ |
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printf( "File %s ended unexpectedly at line %d\n", in_name[0], |
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lineNum ); |
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exit(8); |
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} |
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|
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for(j=0; j<STR_BUFFER; j++) writeBuffer[j] = readBuffer[j]; |
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|
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|
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foo = strtok(readBuffer, " ,;\t"); |
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if(foo == NULL){ |
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printf("error in reading time at line %d in %s\n", lineNum, |
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in_name[0]); |
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exit(8); |
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} |
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|
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j = strlen( foo ); |
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currentTime = atof( foo ); |
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realTime = currentTime + lastTime; |
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|
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printMe = !( ((int)realTime) % timeMod ); |
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|
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if( printMe ){ |
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fprintf( out_file, |
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"%d\n" |
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"%d%s\n", |
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i, realTime, &(writeBuffer[j]) ); |
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} |
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|
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for(j=0; j<i; j++){ |
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|
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fgets( readBuffer, sizeof( readBuffer ), in_file ); |
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lineNum++; |
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if( feof( in_file ) ){ |
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printf( "File %s ended unexpectedly at line %d," |
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" with atom %d\n", in_name[0], lineNum, j); |
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exit(8); |
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} |
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|
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if(printMe) fprintf( out_file, "%s", readBuffer ); |
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|
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} |
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|
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fgets( readBuffer, sizeof( readBuffer ), in_file ); |
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lineNum++; |
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} |
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|
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lastTime = realTime; |
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fclose( in_file ); |
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} |
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|
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for( k=1; k<nFiles; k++ ){ |
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|
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in_file = fopen( in_name[k], "r" ); |
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lineNum = 0; |
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if( in_file == NULL ){ |
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printf( "Error opening \"%s\"\n", in_name[k] ); |
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exit(8); |
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} |
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|
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|
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// if this is a time = 0.0 frame then don't write it. |
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|
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if( skipFirst ){ |
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fgets( readBuffer, sizeof( readBuffer ), in_file ); |
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lineNum++; |
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if( feof( in_file ) ){ |
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printf( "File %s ended unexpectedly at line %d\n", in_name[k], |
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lineNum ); |
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exit(8); |
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} |
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|
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i = atoi(readBuffer); |
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|
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fgets(readBuffer, sizeof(readBuffer), in_file); |
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lineNum++; |
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if( feof( in_file ) ){ |
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printf( "File %s ended unexpectedly at line %d\n", in_name[k], |
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lineNum ); |
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exit(8); |
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} |
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|
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for(j=0; j<i; j++){ |
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|
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fgets( readBuffer, sizeof( readBuffer ), in_file ); |
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lineNum++; |
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if( feof( in_file ) ){ |
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printf( "File %s ended unexpectedly at line %d," |
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" with atom %d\n", in_name[k], lineNum, j); |
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exit(8); |
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} |
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} |
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} |
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|
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// now start reading and writing |
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|
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fgets( readBuffer, sizeof( readBuffer ), in_file ); |
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lineNum++; |
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if( feof( in_file ) ){ |
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printf( "File %s ended unexpectedly at line %d\n", in_name, lineNum ); |
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exit(8); |
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} |
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|
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while( !feof( in_file ) ){ |
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|
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i = atoi(readBuffer); |
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|
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fgets(readBuffer, sizeof(readBuffer), in_file); |
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lineNum++; |
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if( feof( in_file ) ){ |
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printf( "File %s ended unexpectedly at line %d\n", in_name[k], |
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lineNum ); |
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exit(8); |
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} |
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|
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for(j=0; j<STR_BUFFER; j++) writeBuffer[j] = readBuffer[j]; |
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|
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foo = strtok(readBuffer, " ,;\t"); |
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if(foo == NULL){ |
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printf("error in reading time at line %d in %s\n", lineNum, |
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in_name[k]); |
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exit(8); |
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} |
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|
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j = strlen( foo ); |
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currentTime = atof( foo ); |
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realTime = currentTime + lastTime; |
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|
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printMe = !( ((int)realTime) % timeMod ); |
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|
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if( printMe ){ |
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fprintf( out_file, |
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"%d\n" |
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"%d%s\n", |
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i, realTime, &(writeBuffer[j]) ); |
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} |
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|
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for(j=0; j<i; j++){ |
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|
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fgets( readBuffer, sizeof( readBuffer ), in_file ); |
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lineNum++; |
| 343 |
if( feof( in_file ) ){ |
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printf( "File %s ended unexpectedly at line %d," |
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" with atom %d\n", in_name[k], lineNum, j); |
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exit(8); |
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} |
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|
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if(printMe) fprintf( out_file, "%s", readBuffer ); |
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|
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} |
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|
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fgets( readBuffer, sizeof( readBuffer ), in_file ); |
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lineNum++; |
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} |
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|
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lastTime = realTime; |
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fclose( in_file ); |
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} |
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|
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fclose( out_file ); |
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|
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return 0; |
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} |
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|
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|
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/*************************************************************************** |
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* prints out the usage for the command line arguments, then exits. |
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***************************************************************************/ |
| 370 |
|
| 371 |
void usage(){ |
| 372 |
(void)fprintf(stderr, |
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"The proper usage is: %s [options] dumpFile1 dumpFile2...\n" |
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"\n" |
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"Options:\n" |
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"\n" |
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" -o <outFile> the output file\n" |
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" *default is to append to first file.\n" |
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" -t <#> only print out time steps that are\n" |
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" increments of <#>\n" |
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" -s skip the first frame (t = 0.0 )\n" |
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"\n" |
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" -h display this message\n" |
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"\n", |
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program_name); |
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exit(8); |
| 387 |
} |
