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Technotools (Chestnut CD-ROM)(1993).ISO
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lang_c
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cug189
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rm.c
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1985-08-21
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3KB
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136 lines
/* rm.c: remove files
*
* (c) Chuck Allison, 1985
*
*/
#include <stdio.h>
#define NLOOK 22
#define MAXLINE 256
#define yes 1
#define no 0
FILE *screen;
main(argc,argv)
int argc;
char *argv[];
{
register i;
int go = no,
delete = yes;
unsigned k;
screen = fopen("con","w");
/* ..get optional "go" switch.. */
if (argv[1][0] == '-' || argv[1][0] == '/')
{
if (tolower(argv[1][1]) == 'g')
go = yes;
else
{
fprintf(screen,"---> ERROR: bad option: -%c\n",argv[1][1]);
fflush(screen);
}
argv++;
argc--;
}
for (i = 1; i < argc; ++i)
{
if (!exist(argv[i]))
{
fprintf(screen,"---> %s not found\n",argv[i]);
fflush(screen);
continue;
}
delete = yes;
again:
if (go == no)
{
fprintf(screen,"Delete \033[7m%s\033[0m (y,n,p,g,q)? ",argv[i]);
fflush(screen);
k = getcnb();
switch (k)
{
case 'g':
case 'G':
go = yes;
case 'y':
case 'Y':
delete = yes;
break;
case 'n':
case 'N':
delete = no;
putc('\n',screen);
break;
case 'p':
case 'P':
look(argv[i]);
goto again;
case 'q':
case 'Q':
exit(0);
default :
putc('\n',screen);
goto again;
}
}
if (delete)
if (unlink(argv[i]) == 0)
fprintf(screen,"%s deleted\n",argv[i]);
else
fprintf(screen,"---> %s NOT deleted -\n",argv[i]);
fflush(screen);
}
}
look(s) /* ..review first page of file.. */
char *s;
{
FILE *f;
int i;
char l[MAXLINE];
putc('\n',screen);
if ((f = fopen(s,"r")) == NULL)
{
fprintf(screen,"---> ERROR: can't open %s\n",s);
fflush(screen);
}
else
{
fputs("\033[2J",screen);
for (i = 0; i < NLOOK && fgets(l,MAXLINE-1,f); ++i)
fputs(l,screen);
fclose(f);
fputs("\n\033[7m-- hit any key --\033[0m",screen);
fflush(screen);
getcnb();
fputs("\n\033[2J",screen);
fflush(screen);
}
}
int exist(s)
char *s;
{
FILE *f;
int found;
if ((f = fopen(s,"r")) == NULL)
found = no;
else
{
found = yes;
fclose(f);
}
return found;
}
[2J",screen);
for (i = 0; i < NLOOK && fgets(l,MAXLINE-1,f);