sorting - Using linux sort on multiple files -

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is there way can run following command linux many files @ once?

$ sort -nr -k 2 file1 > file2

i assume have many input files, , want create sorted version of each of them. using like

for f in file*     sort $f > $f.sort done

now, has small problem if run again, if not sort files again, create file1.sort.sort go file1.sort. there various ways fix that. can fix second problem creating sorted files thate don't have names beginning "file":

for f in file*     sort $f > sorted.$f done

but that's kind of weird, , wouldn't want files named that. alternatively, use more clever script checks whether file needs sorting, , avoids both problems:

for f in file*     if expr $f : '.*\.sort' > /dev/null             : no need sort     elif test -e $f.sort             : sorted     else         sort -nr -k 2 $f > $f.sort     fi done

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