command

Question 1

print first column of command delimited

Answer 1

awk -F”,” ‘{print $1}’ file1

Question 2

omit first line, afterward print entire line

Answer 2

awk ‘NR!=1{print $0}’ file1

Question 3

set a field separator and pass a value

Answer 3

awk ‘{print $0,val}’ OFS=, val=$x file1

Question 4

comma delimited, 1st column only exactly matches Rent or Medicine, print entire line

Answer 4

awk -F, ‘$1 ~ /^Rent$|^Medicine$/’ file

Question 5

comma delimited, print matching Medicine and 2nd column greater than 500

Answer 5

awk -F, ‘/Medicine/ && $2>500’ file