Perl | scalar keyword - GeeksforGeeks

scalar keyword in Perl is used to convert the expression to scalar context. This is a forceful evaluation of expression to scalar context even ... 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ImproveArticle SaveArticle LikeArticle DifficultyLevel: ExpertLastUpdated: 11Aug,2021ReadDiscussViewDiscussion ImproveArticle SaveArticle LikeArticle scalarkeywordinPerlisusedtoconverttheexpressiontoscalarcontext.Thisisaforcefulevaluationofexpressiontoscalarcontextevenifitworkswellinlistcontext. Syntax:scalarexprReturns:ascalarvalueExample1:  Perl#!/usr/bin/perl-w #DefiningArrays@array1=("Geeks","For","Geeks");@array2=(1,1,0,0,9,6); #Concatenationofbotharrays@array3=(@array1,@array2); #PrintingtheConcatenatedArray#inListformprint"ArrayinListform:@array3\n"; #ConversionofArraystoscalarcontext@array3=(scalar(@array1),scalar(@array2)); #Conversiontoscalarreturns#thenumberofelementsinthearrayprint"Arrayinscalarform:@array3\n";Output: ArrayinListform:GeeksForGeeks110096 Arrayinscalarform:36 Example2:  Perl#!/usr/bin/perl-w #DefiningArrays@array1=("Welcome","To","Geeks");@array2=(1,1,0,0,9,6); #concatenationofbotharrays@array3=(@array1,@array2); #PrintingtheConcatenatedArrayprint"ConcatenationofArrays:@array3\n"; #ConversionofArraystoscalarcontextto#EvaluateDifferencebetweensizeofarrays@array3=(scalar(@array2)-scalar(@array1)); #PrintingthesizeDifferenceprint"Differenceinnumberofelements:@array3\n";Output: ConcatenationofArrays:WelcomeToGeeks110096 Differenceinnumberofelements:3 MyPersonalNotes arrow_drop_upSave LikePreviousPerl|ComparingScalarsNext Perl|Quoted,InterpolatedandEscapedStringsRecommendedArticlesPage:06,Mar1927,Mar1917,Jun1926,Mar1913,Jun1913,Nov1902,Aug1802,May1903,Jul1930,May1929,Apr1926,Apr1928,Feb1913,Jul1820,Jun1820,Jun1820,Jun1825,Jun1818,Jul1826,Jun1828,Jun1803,Jul1803,Jul1803,Jul18ArticleContributedBy:Code_Mech@Code_MechVotefordifficultyCurrentdifficulty: ExpertEasy Normal Medium Hard ExpertImprovedBy:clintraArticleTags:Perl-KeywordsPerl-ScalarsPerlPracticeTags:PerlReportIssueWritingcodeincomment? 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