Jim Meyering wrote: > I know you didn't change the single quotes (maybe it's Bruno's > stylistic preference to use them?)
Yes, it's my stylistic preference. > but they are superfluous. There's less syntax this way: > > libname_upper=`echo "$libname" | LC_ALL=C tr a-z- A-Z_` But it's not more readable this way. One can remove the surrounding quotes of sed arguments: sed -e s/\\/[^/]\*\$// but it doesn't become more readable this way. One can remove the surrounding quotes in variable assignments: backup_file=$dir/$file~ but it's more maintainable this way: backup_file="$dir/$file"'~' Bruno