MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

UNIX

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which option is used to removes all the spaces in between the text in echo command
A
B
˙
C
¸
D
None of the above
Explanation: 

Detailed explanation-1: -Using option ‘’¯ – backspace with backslash interpretor ‘-e’ which removes all the spaces in between.

Detailed explanation-2: -3) Remove Spaces in between text using-e and o¯ptions You can choose to remove spaces using the o¯ption in conjunction with the-e parameter.

Detailed explanation-3: -s/[[:space:]]//g; – as before, the s command removes all whitespace from the text in the current pattern space.

Detailed explanation-4: -Use sed ‘s/^ *//g’, to remove the leading white spaces. There is another way to remove whitespaces using ‘sed‘ command. The following commands removed the spaces from the variable, $Var by using ‘sed‘ command and [[:space:]]. $ echo “$Var are very popular now."

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