{"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":"2021-02-27T09:22:35","modified_gmt":"2021-02-27T09:22:35","slug":"write-script-to-print-given-number-in-reverse-order","status":"publish","type":"post","link":"https:\/\/www.scmgalaxy.com\/tutorials\/write-script-to-print-given-number-in-reverse-order\/","title":{"rendered":"Write script to print given number in reverse order"},"content":{"rendered":"

rajeshkumar created the topic: Write script to print given number in reverse order<\/strong><\/p>\n

Write script to print given number in reverse order, for eg. If no is 123 it must print as 321.
\n
\n#!\/bin\/bash
\n#
\n# Linux Shell Scripting Tutorial 1.05r3, Summer-2002
\n# Script to reverse given no
\n#
\n# Algo:
\n# 1) Input number n
\n# 2) Set rev=0, sd=0
\n# \t3) Find single digit in sd as n % 10 it will give (left most digit)
\n# 4) Construct revrse no as rev * 10 + sd
\n# 5) Decrment n by 1
\n# 6) Is n is greater than zero, if yes goto step 3, otherwise next step
\n# 7) Print rev
\n#
\nif [ $# -ne 1 ]
\nthen
\n echo \"Usage: $0 number\"
\n echo \" I will find reverse of given number\"
\n echo \" For eg. $0 123, I will print 321\"
\n exit 1
\nfi<\/p>\n

n=$1
\nrev=0
\nsd=0<\/p>\n

while [ $n -gt 0 ]
\ndo
\n sd=`expr $n % 10`
\n rev=`expr $rev \\* 10 + $sd`
\n n=`expr $n \/ 10`
\ndone
\n echo \"Reverse number is $rev\"<\/p>\n

#
\n# .\/ch.sh: vivek-tech.com to nixcraft.com referance converted using this tool
\n# See the tool at http:\/\/www.nixcraft.com\/uniqlinuxfeatures\/tools\/
\n#
\n <\/code><\/p>\n

Regards,
\nRajesh Kumar
\nTwitt me @ twitter.com\/RajeshKumarIn<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

rajeshkumar created the topic: Write script to print given number in reverse order Write script to print given number in […]<\/p>\n","protected":false},"author":4,"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"],"yoast_head":"\nWrite script to print given number in reverse order - scmGalaxy<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.scmgalaxy.com\/tutorials\/write-script-to-print-given-number-in-reverse-order\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Write script to print given number in reverse order - 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