{"id":2251,"date":"2017-12-08T05:46:10","date_gmt":"2017-12-08T05:46:10","guid":{"rendered":"http:\/\/www.scmgalaxy.com\/tutorials\/?p=2251"},"modified":"2020-01-09T09:28:45","modified_gmt":"2020-01-09T09:28:45","slug":"write-script-to-print-given-number-in-reverse-order","status":"publish","type":"post","link":"https:\/\/www.devopsschool.com\/blog\/write-script-to-print-given-number-in-reverse-order\/","title":{"rendered":"Write script to print given number in reverse order"},"content":{"rendered":"<p><strong>rajeshkumar created the topic: Write script to print given number in reverse order<\/strong><\/p>\n<p>Write script to print given number in reverse order, for eg. If no is 123 it must print as 321.<br \/>\n<code><br \/>\n#!\/bin\/bash<br \/>\n#<br \/>\n# Linux Shell Scripting Tutorial 1.05r3, Summer-2002<br \/>\n# Script to reverse given no<br \/>\n#<br \/>\n# Algo:<br \/>\n#       1) Input number n<br \/>\n#       2) Set rev=0, sd=0<br \/>\n#   \t3) Find single digit in sd as n % 10 it will give (left most digit)<br \/>\n#       4) Construct revrse no as rev * 10 + sd<br \/>\n#       5) Decrment n by 1<br \/>\n#       6) Is n is greater than zero, if yes goto step 3, otherwise next step<br \/>\n#       7) Print rev<br \/>\n#<br \/>\nif [ $# -ne 1 ]<br \/>\nthen<br \/>\n    echo \"Usage: $0   number\"<br \/>\n    echo \"       I will find reverse of given number\"<br \/>\n    echo \"       For eg. $0 123, I will print 321\"<br \/>\n    exit 1<br \/>\nfi<\/p>\n<p>n=$1<br \/>\nrev=0<br \/>\nsd=0<\/p>\n<p>while [ $n -gt 0 ]<br \/>\ndo<br \/>\n    sd=`expr $n % 10`<br \/>\n    rev=`expr $rev \\* 10  + $sd`<br \/>\n    n=`expr $n \/ 10`<br \/>\ndone<br \/>\n    echo  \"Reverse number is $rev\"<\/p>\n<p>#<br \/>\n# .\/ch.sh: vivek-tech.com to nixcraft.com referance converted using this tool<br \/>\n# See the tool at http:\/\/www.nixcraft.com\/uniqlinuxfeatures\/tools\/<br \/>\n#<br \/>\n <\/code><\/p>\n<p>Regards,<br \/>\nRajesh Kumar<br \/>\nTwitt me @ <a href=\"http:\/\/twitter.com\/RajeshKumarIn\" target=\"_blank\" rel=\"noopener\">twitter.com\/RajeshKumarIn<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>rajeshkumar created the topic: Write script to print given number in reverse order Write script to print given number in reverse order, for eg. If no is 123 it must&#8230; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[454],"tags":[278],"class_list":["post-2251","post","type-post","status-publish","format-standard","hentry","category-shell-script","tag-script"],"_links":{"self":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/2251","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/comments?post=2251"}],"version-history":[{"count":1,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/2251\/revisions"}],"predecessor-version":[{"id":2252,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/2251\/revisions\/2252"}],"wp:attachment":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/media?parent=2251"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/categories?post=2251"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/tags?post=2251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}