Tar a list of files which don't all exist
you can try
tar cf ar.tar $(ls a b c d )
where
cfor createf ar.tarspecify tar file$(ls a b c d)will list to stdin which file are realy present (and give error for other)
you can try
tar cf ar.tar $(ls a b c d )
where
c for createf ar.tar specify tar file
$(ls a b c d) will list to stdin which file are realy present (and give error for other)