option -f and -i are exclusive (Posix)

respond `Y' is equal to `y'
update usage string
prompt only if source exist
This commit is contained in:
Wolfram Schneider 1996-02-20 23:27:57 +00:00
parent a03bf4ac6a
commit 5fd463ac12
2 changed files with 29 additions and 9 deletions

View File

@ -33,7 +33,7 @@
.\" SUCH DAMAGE.
.\"
.\" @(#)mv.1 8.1 (Berkeley) 5/31/93
.\" $Id: mv.1,v 1.3 1995/08/15 19:44:39 joerg Exp $
.\" $Id: mv.1,v 1.4 1996/02/18 18:44:56 wosch Exp $
.\"
.Dd May 31, 1993
.Dt MV 1
@ -77,17 +77,25 @@ The following options are available:
Do not prompt for confirmation before overwriting the destination
path.
(The
.Fl i
option is ignored if the
.Fl f
option is specified.)
option overrides any previous
.Fl i
options.)
.It Fl i
Causes
.Nm mv
to write a prompt to standard error before moving a file that would
overwrite an existing file.
If the response from the standard input begins with the character ``y'',
If the response from the standard input begins with the character
.Sq Li y
or
.Sq Li Y ,
the move is attempted.
(The
.Fl i
option overrides any previous
.Fl f
options.)
.El
.Pp
It is an error for either the
@ -121,6 +129,7 @@ The
utility exits 0 on success, and >0 if an error occurs.
.Sh SEE ALSO
.Xr cp 1 ,
.Xr rm 1 ,
.Xr symlink 7
.Sh STANDARDS
The

View File

@ -33,7 +33,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: mv.c,v 1.5 1996/02/19 00:44:19 wosch Exp $
* $Id: mv.c,v 1.6 1996/02/19 05:51:13 pst Exp $
*/
#ifndef lint
@ -83,9 +83,11 @@ main(argc, argv)
switch (ch) {
case 'i':
iflg = 1;
fflg = 0;
break;
case 'f':
fflg = 1;
iflg = 0;
break;
default:
usage();
@ -149,6 +151,13 @@ do_move(from, to)
* make sure the user wants to clobber it.
*/
if (!fflg && !access(to, F_OK)) {
/* prompt only if source exist */
if (lstat(from, &sb) == -1) {
warn("%s", from);
return (1);
}
ask = 0;
if (iflg) {
(void)fprintf(stderr, "overwrite %s? ", to);
@ -164,7 +173,7 @@ do_move(from, to)
if (ask) {
if ((ch = getchar()) != EOF && ch != '\n')
while (getchar() != '\n');
if (ch != 'y')
if (ch != 'y' && ch != 'Y')
return (0);
}
}
@ -299,7 +308,9 @@ copy(from, to)
void
usage()
{
(void)fprintf(stderr,
"usage: mv [-if] src target;\n or: mv [-if] src1 ... srcN directory\n");
(void)fprintf(stderr,
"\
usage: mv [-i | -f] src target;\n\
or: mv [-i | -f] src1 ... srcN directory\n");
exit(1);
}