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Almathera Ten Pack 3: CDPD 3
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Almathera Ten on Ten - Disc 3: CDPD3.iso
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fish
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001-025
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018
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mc68010
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chop.c
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1995-03-17
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2KB
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78 lines
/*******************************************
* Chop *
* *
* by J S Plegge *
* *
* Truncate files to specified length *
* *
* USAGE: Chop <input> <output> <size> *
* *
*******************************************/
#include <stdio.h>
#include <ctype.h>
usage()
{
puts("Usage: CHOP <input> <output> <size>");
}
main(argc, argv)
int argc;
char *argv[];
{
int i;
int c;
FILE *in, *out;
long int l;
if (argc < 4)
{
puts("Bad arguments.");
usage();
exit(20);
}
l=atol(argv[3]);
if (l <= 0)
{
puts("Invalid size.");
usage();
exit(20);
}
if ((in = fopen (argv[1], "r")) == 0)
{
printf("Can't open %s\n", argv[1]);
exit(20);
}
if ((out = fopen (argv[2], "w")) == 0)
{
printf("Can't open %s\n", argv[2]);
exit(20);
}
printf("Writing %d bytes from %s to %s \n",l,argv[1],argv[2]);
i=0;
while (((c = getc(in)) !=EOF) && (i < l))
{
i=i+1;
putc(c, out);
} /* endwhile */
if (i == l)
puts("Done!");
else
puts("CHOP ended at EOF on input.");
fclose (in);
fclose (out);
} /* end of program */