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Add -R as a synonym to -r for cp(1) 

List the available options in the usage line as well.
This commit is contained in:
sin 2013-12-12 13:27:49 +00:00
parent 7f6d5653c6
commit aff51008ea
2 changed files with 7 additions and 3 deletions
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7
cp.1
View File

@ -3,12 +3,12 @@
cp \- copy files and directories cp \- copy files and directories
.SH SYNOPSIS .SH SYNOPSIS
.B cp .B cp
.RB [ \-r ] .RB [ \-Rr ]
.I file .I file
.RI [ name ] .RI [ name ]
.P .P
.B cp .B cp
.RB [ \-r ] .RB [ \-Rr ]
.RI [ file ...] .RI [ file ...]
.RI [ directory ] .RI [ directory ]
.SH DESCRIPTION .SH DESCRIPTION
@ -17,6 +17,9 @@ copies a given file, naming it the given name. If multiple files are listed
they will be copied into the given directory. they will be copied into the given directory.
.SH OPTIONS .SH OPTIONS
.TP .TP
.B \-R
equivalent to -r.
.TP
.B \-r .B \-r
copies directories recursively. If this flag is not specified, directories are copies directories recursively. If this flag is not specified, directories are
not copied. not copied.

3
cp.c
View File

@ -8,7 +8,7 @@
static void static void
usage(void) usage(void)
{ {
eprintf("usage: %s source... dest\n", argv0); eprintf("usage: %s [-Rr] source... dest\n", argv0);
} }
int int
@ -17,6 +17,7 @@ main(int argc, char *argv[])
struct stat st; struct stat st;
ARGBEGIN { ARGBEGIN {
case 'R':
case 'r': case 'r':
cp_rflag = true; cp_rflag = true;
break; break;