Some other options . . .
(1) perl program through command line
perl -e 'rmdir "--@app.7"'
(2) perl program through STDIN
perl
rmdir "--@app.7"
(3) Simplest of all (I should have given this answer first!)
rmdir ./--@app.7
--
SANKHA SUBHRA SOM
ATC - BIOINFORMATICS
TCS
KLK BUILDING.
HYDERABAD-1
Ph:(040)6787980-1024
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An anonymous digitoid
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Do not try to live forever. You will not succeed.