What is array.shift() in Perl? - Educative.io

The shift() method in Perl is used to return the first value of an array. It removes the first element and shifts the array list elements to the left by one ... SolutionsEducativeEnterpriseEnablementplatformDevelopersLearnnewtechnologiesProductsCoursesforEnterpriseSuperchargeyourengineeringteamCoursesforIndividualsWorldclasscoursesOnboardingOnboardnewhiresfasterAssessmentsMeasureyourSkillScorePersonalizedLearningPlansPersonalizedPlansforyourgoalsProjectsBuildrealworldapplicationsAnswersTrustedAnswerstoDeveloperQuestionsPricingForEnterpriseTailoredforyourteamForIndividualsStayaheadofthecurveCoursesLogInJoin forfreeTrustedanswerstodeveloperquestionsTrustedAnswerstoDeveloperQuestionsRelatedTagsarrayshiftperlcommunitycreatorWhatisarray.shift()inPerl?okwudilionyejiakuGrokkingModernSystemDesignInterviewforEngineers&ManagersAceyourSystemDesignInterviewandtakeyourcareertothenextlevel.LearntohandlethedesignofapplicationslikeNetflix,Quora,Facebook,Uber,andmanymoreina45-mininterview.LearntheRESHADEDframeworkforarchitectingweb-scaleapplicationsbydeterminingrequirements,constraints,andassumptionsbeforedivingintoastep-by-stepdesignprocess. StartLearning Overview Theshift()methodinPerlisusedtoreturnthefirstvalueofanarray.Itremovesthefirstelementandshiftsthearraylistelementstotheleftbyone. Syntax shift(@arr) Parameters @arr:Thisisthearraywhoseelementswewanttoshift. Returnvalue Itreturnsthefirstelementofthearrayafterremovingitfromthearray.However,ifthearrayisempty,itreturns-1. Codeexample #createanarray@arr=("e","a","b","c","d");#printarrayvaluesprint"Beforeshift:@arr\n";#shiftelement@shifted_element=shift(@arr);#printshiftedelementprint"ShiftedElement:@shifted_element";#printarrayvaluesprint"\nAftershift:@arr";RunShiftinganelementfromanarrayinPerlExplanation Line2:Wecreateanarraycalledarr. Line5:Weprintthevaluesofarrtotheconsole. Line8:Weshiftthefirstelementofthearraywecreatedwiththeshift()method. Line11:Weprinttheshiftedelement. Line14:Weprintthehenewvaluesofthearrayaftertheshifttotheconsole. RELATEDTAGSarrayshiftperlcommunitycreatorCONTRIBUTORokwudilionyejiakuLicense:CreativeCommons-Attribution-ShareAlike4.0(CC-BY-SA4.0)GrokkingModernSystemDesignInterviewforEngineers&ManagersAceyourSystemDesignInterviewandtakeyourcareertothenextlevel.LearntohandlethedesignofapplicationslikeNetflix,Quora,Facebook,Uber,andmanymoreina45-mininterview.LearntheRESHADEDframeworkforarchitectingweb-scaleapplicationsbydeterminingrequirements,constraints,andassumptionsbeforedivingintoastep-by-stepdesignprocess. StartLearningKeepExploringRelatedCoursesLearnin-demandtechskillsinhalfthetimeSOLUTIONSForEnterpriseForIndividualsForHR&ducativeSessionsEducativeAnswersABOUTUSOurTeamCareersHiringFrequentlyAskedQuestionsContactUsPressMOREGitHubStudentsScholarshipCourseCatalogEarlyAccessCoursesEarnReferralCreditsCodingInterview.comCopyright©2022Educative,Inc.Allrightsreserved.