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  3. write a bash shell program named l1 as follows . l

write a bash shell program named L1 as follows . L1 expects exactly 2 command line...

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Programming

write a bash shell program named L1 as follows . L1 expectsexactly 2 command line arguments. expects $1 to contain onlydigits. expects $2 to have exactly 4 characters (can be anycharacter).

if NOT exactly 2 command line arguments, echo \"need 2 args \" andexit.

otherwise, if $1 and/or $2 have incorrect value(s) (as above),echo \"bad argX\", where X is the first incorrect argument, andexit.

otherwise, echo \"good \". you can use echo,grep, pipe to check ifthe argument have the required characters.

example:

>L1 849474 0-=~

good

>L1 47347 8x

bad arg2

>L1 123abc 8d

bad arg1

Answer & Explanation Solved by verified expert
3.9 Ratings (451 Votes)
binbashCreating a regular expression which will accept    See Answer
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