WebJun 29, 2024 · 2 Answers Sorted by: 4 Assuming your array is not sparse (contains no gaps), Assuming by even you start counting from 1 (and not 0 like bash does), you can do that with a loop on the indexes: array= (a b c d e f g h) for index in "$ {!array [@]}"; do ( ( index % 2 )) && echo "$ {array [index]}" done : outputs: b d f h Share Improve this answer WebJul 19, 2012 · In the short test I ran, all the odd lines were printed, followed by the even lines that were output by the grep. This is because the output of the grep may need to be merged with the output of the awk, which may be nondeterminisitic. Also, this is probably inefficient, as I think a separate grep is forked for each even line. – chepner
Shell script to find given number is even or odd Linux Shell …
WebSep 5, 2024 · Bash program to check if the Number is a Prime or not Difficulty Level : Hard Last Updated : 05 Sep, 2024 Read Discuss Given a number, the task is to find whether the given number is prime or not using Bash Scripting. Examples: Input: N = 43 Output: Prime Input: N = 35 Output: Not Prime WebAug 28, 2024 · The iseven() function tests whether a number is even or odd. I did four function calls to iseven(). For each function call, I supplied one number which is the first … rockville md ford dealership
Solved 4. Write a bash script which prints how many number
WebMar 10, 2024 · This will take out only 1,3,5,7,9 to file. odd numbers from 0 to 100 include more than that. Second, you are using useless cat; instead grep can take file as argument. – Sergiy Kolodyazhnyy Mar 10, 2024 at 5:08 ^\d* [13579]$ means Start, 0 or more digits, one of 1 3 5 7 9, end. It will only match numbers ending in odd digits, which are odd numbers. WebNov 8, 2013 · Odd and even date in bash Hi All, I'm having the following script: Code: #!/bin/bash date=$ (date +%d) echo $date if [ $ {date%2} -eq 0 ]; then echo 'date is even' else echo 'date is odd' fi but I can not find out why it's not working.Example: Code: WebAug 22, 2016 · The expected output : Hie adr:: The first elements are the even indexed elements are displayed followed by a space, followed by the odd indexed elements of array 1. Bs ah:: The first elements are the even indexed elements are displayed followed by a space, followed by the odd indexed elements of array 2. Code written so far : rockville md hotels with gym