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UNLUMP.C
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1983-12-30
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/* UNLUMP: Break apart files lumped together by LUMP */
#include "stdio.h"
#define BUFL 512
FILE *infile, *outfile;
main(argc,argv)
int argc;
char *argv[];
{
int c, i;
char filename[61];
char buf[BUFL];
int opened = 0;
if(argc<2) { usage(); exit(0); }
argc--;
if( (infile=fopen(argv[1], "r")) == NULL ) inerr();
while( fgets(buf, BUFL, infile) != NULL ) {
filename[0] = '\0';
sscanf( buf, "*FILE: %60s", filename );
if( filename[0] != '\0' ) {
if(opened) fclose(outfile);
printf( "*FILE: %s\n", filename );
if( (outfile=fopen(filename,"w")) == NULL ) outerr();
opened = 1;
continue;
}
if( !opened ) fmterr();
if( fputs(buf, outfile) == EOF ) outerr();
}
if( ferror(infile) ) inerr();
fclose(infile);
}
usage()
{
printf("Usage: unlump infile \n");
printf(" UnLump the input file into output files named in it.\n");
printf(" Files are separated by a line with the format:\n");
printf(" *FILE: filename.ext\n\n");
}
inerr()
{
printf("\nError opening or reading input file \n");
fclose(infile);
exit(1);
}
outerr()
{
printf("\nError opening or writing output file \n");
fclose(outfile);
exit(1);
}
fmterr()
{
printf("\nFile does not have proper LUMP format\n");
exit(1);
}