Hi,
ddrescue is also useful for disk read tests with /dev/null as output file.
In this case it is not necessary to require --force, see attached patch.
--
Regards,
Christian Franke
diff --git a/main.cc b/main.cc
index 9397965..d2e623e 100644
--- a/main.cc
+++ b/main.cc
@@ -202,13 +202,14 @@ bool check_files( const char * const iname, const char * const oname,
}
if( check_identical( iname, oname ) )
{ show_error( "Infile and outfile are the same." ); return false; }
- if( !force || preallocate )
+ bool nulldev = !std::strcmp( oname, "/dev/null" );
+ if( !(force || nulldev) || preallocate )
{
struct stat st;
if( stat( oname, &st ) == 0 && !S_ISREG( st.st_mode ) )
{
show_error( "Output file exists and is not a regular file." );
- if( !force )
+ if( !(force || nulldev) )
{
show_error( "Use `--force' if you really want to overwrite it, but be" );
show_error( "aware that all existing data in output file will be lost.", 0, true );
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