covclear
concordance -lqn:10 file.txt abcd.txt
echo=======one argument================
concordance
echo=======repeated concordane=========
concordance concordance
echo=======without a switch============
concordance file.txt
echo=======n>90========================
concordance -lqn:90 file1.txt
echo=======no value for n==============
concordance -lqn:
echo=======n=alphabet==================
concordance -lqn:a file.txt
echo=======n=-ve integer==============
concordance -lqn:-5 file.txt
echo=======-? for switch==============
concordance "-?"
echo=======--help for switch===========
concordance -help file.txt
echo=======n=0=========================
concordance -pqn:0 file.txt
echo=======special character for switch=
concordance &
echo=======stanza  - alphabet==========
concordance -s ep04.txt
echo=======line - alphabet & number====
concordance -l ep08.txt
echo=======n>12========================
concordance -lqn:123456789012345 mcgee.txt
covfn
covbr -u

