Various Operations using Awk Command MCQ

Test your knowledge with important Various Operations using Awk Command MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Various Operations using Awk Command MCQs at Bissoy

• awk makes a distinction between numeric and string variables.
  ক

  True

  খ

  False
• The _____ function extracts a substring from a string.
  ক

  length

  খ

  index

  গ

  size

  ঘ

  substr
• Which of the following is a built-in function for awk?
  ক

  length

  খ

  index

  গ

  size

  ঘ

  length and index
• awk has some built-in functions which are used for arithmetic and string operations.
  ক

  True

  খ

  False
• awk uses _____ dimensional arrays.
  ক

  one

  খ

  two

  গ

  multi

  ঘ

  three
• print statement is necessary for printing a line.
  ক

  True

  খ

  False
• Which of the following is supported by awk?
  ক

  if

  খ

  while

  গ

  for

  ঘ

  if, while, for
• sqroot(x) function returns the square root of x.
  ক

  True

  খ

  False
• ____ function breaks up a string on the basis of delimiter.
  ক

  length

  খ

  substr

  গ

  system

  ঘ

  split
• Which of the following is not true about awk arrays?
  ক

  they are not expanded automatically

  খ

  they are initialized to zero or an empty string

  গ

  index can be a string also

  ঘ

  they are not formally defined
• awk supports the use of arrays.
  ক

  True

  খ

  False
• Which of the following is not a built-in variable used by awk?
  ক

  ES

  খ

  FILENAME

  গ

  argv

  ঘ

  argc
• The ____ variable stores the name of the file currently being processed.
  ক

  OFS

  খ

  FILENAME

  গ

  NF

  ঘ

  ES
• FS defines the field separator.
  ক

  True

  খ

  False
• Which of the following is a built-in variable for awk?
  ক

  ps

  খ

  $0

  গ

  FS

  ঘ

  FN
• ____ section can be used if we’ve to print something after processing the last line.
  ক

  end

  খ

  begin

  গ

  start

  ঘ

  first
• ____ section can be used if we’ve to print something before processing the first line.
  ক

  end

  খ

  begin

  গ

  start

  ঘ

  first
• awk uses ___ operator for concatenating strings.
  ক

  >

  খ

  |

  গ

  *

  ঘ

  no operator available
• A user-defined variable is initialized to ____
  ক

  zero

  খ

  zero or null string

  গ

  null

  ঘ

  operator
• awk doesn’t use $ in evaluation or assignment of variables.
  ক

  True

  খ

  False
• The printf function uses ___ for string data and ___ for numeric.
  ক

  %f, %l

  খ

  %s, %f

  গ

  %s, %d

  ঘ

  %s, %s
• What is the default delimiter used by awk?
  ক

  tab

  খ

  whitespace

  গ

  double space

  ঘ

  |
• For pattern-matching, awk uses regular expressions in ____ style.
  ক

  sed

  খ

  grep

  গ

  perl

  ঘ

  print
• The default action if selection_criteria is missing is ____
  ক

  print

  খ

  split

  গ

  print and split

  ঘ

  no default action
• Which of the following will be used to print lines containing ‘manager’ in emp.lst?
  ক

  awk ‘/manager/ { print }’ emp.lst

  খ

  awk ‘/manager { print }’ emp.lst

  গ

  awk ‘/manager/ { print } emp.lst

  ঘ

  awk ‘manager { print }’ emp.lst
• Awk filter operates at field level.
  ক

  True

  খ

  False