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#include <stdint.h>
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
int main( int argc, char **args ) {
char table[64], f[1024*1024];
int outfiles[64], i, base = 0, fixed_columns = 0;
uint32_t *p = (uint32_t*)f;
if( argc > 1 ) base = atoi( args[1] );
if( argc > 2 ) fixed_columns = atoi( args[2] );
/* No output file yet valid */
for( i=0; i<64; ++i ) outfiles[i] = -1;
while( fgets( table, sizeof(table), stdin ) ) {
int file, strnr, columns, count;
table[strlen(table)-1] = 0;
{
int f_in = open( table, O_RDONLY );
if( f_in < 0 || read( f_in, f, sizeof(f)) <= 0 ) {
fprintf( stderr, "Can not read file %s\n", table );
exit(1);
}
close(f_in);
}
count = (int)*p,
columns = fixed_columns ? fixed_columns : (int)p[1] / 4 - 1;
for( file=0; file<columns; ++file ) {
uint32_t off;
/* Create outfile, if it is not yet there */
if( outfiles[file] == -1 ) {
sprintf( table, "%02d_unknown", file + base );
outfiles[file] = open( table, O_WRONLY | O_APPEND | O_CREAT, 0644 );
if ( outfiles[file] == -1 ) {
fprintf( stderr, "Can not create output file %s\n", table );
exit(1);
}
}
off = p[file+1];
/* Look for end of this chunk, which is <count> strings long */
for( strnr=0; strnr < count; ++strnr ) { while( f[off++] ) {}; f[off-1] = '\n'; }
(void)write( outfiles[file], f + p[file+1], off - p[file+1] );
}
}
for( i=0; i<64; ++i ) close( outfiles[i] );
return 0;
}
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