Study of UNIX filters like grep, tr, sed etc.

Study of UNIX filters like grep,  tr, sed etc.

Code:

clear
echo -------------------------------------------------
echo '\tStudying grep,tr,sed commands'
echo -------------------------------------------------
echo Enter the file name
read f1
echo Number of lines in a file is :$(sed -n '$=' $f1)
echo Number of blank lines in a file : $(grep -c '^$' $f1)
echo File content in Uppercase
tr '[ a-z ]' '[ A-Z ]' < $f1

Output:

-------------------------------------------------
Studying grep,tr,sed commands
-------------------------------------------------
Enter the file name
t2
Number of lines in a file is :5
Number of blank lines in a file : 2
File content in Uppercase
THIS IS MY

FIRST PROGRAM

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