[{"data":1,"prerenderedAt":1076},["ShallowReactive",2],{"global-navigation":3,"page-\u002Fsei-cert-perl-coding-standard\u002Frules\u002Fobject-oriented-programming-oop\u002Foop32-pl":28,"surround-\u002Fsei-cert-perl-coding-standard\u002Frules\u002Fobject-oriented-programming-oop\u002Foop32-pl":691,"sidebar-sei-cert-perl-coding-standard":700},[4,8],{"title":5,"path":6,"_path":6,"fromAppConfig":7},"Home","\u002F",true,{"title":9,"path":10,"children":11,"_path":27,"fromAppConfig":7},"Coding Standards","\u002Fcoding-standards\u002F",[12,15,18,21,24],{"title":13,"path":14},"Android Coding Standard","\u002Fandroid-secure-coding-standard\u002F",{"title":16,"path":17},"C Coding Standard","\u002Fsei-cert-c-coding-standard\u002F",{"title":19,"path":20},"C++ Coding Standard","\u002Fsei-cert-cpp-coding-standard\u002F",{"title":22,"path":23},"Java Coding Standard","\u002Fsei-cert-oracle-coding-standard-for-java\u002F",{"title":25,"path":26},"Perl Coding Standard","\u002Fsei-cert-perl-coding-standard\u002F","\u002Fcoding-standards",{"id":29,"title":30,"body":31,"description":681,"extension":682,"meta":683,"navigation":7,"path":687,"seo":688,"stem":689,"__hash__":690},"content\u002F7.sei-cert-perl-coding-standard\u002F3.rules\u002F8.object-oriented-programming-oop\u002F2.oop32-pl.md","OOP32-PL. Prohibit indirect object call syntax",{"type":32,"value":33,"toc":674},"minimark",[34,38,56,116,128,136,139,144,147,386,392,396,403,463,467,534,538,566,570,646,649,670],[35,36,30],"h1",{"id":37},"oop32-pl-prohibit-indirect-object-call-syntax",[39,40,41,42,46,47,51,52,55],"p",{},"The ",[43,44,45],"em",{},"indirect object call syntax"," is a grammatical mechanism used by Perl to parse method calls. It is commonly used to emulate other language syntax. For instance, if a class ",[48,49,50],"code",{},"Class"," has a constructor named ",[48,53,54],{},"new"," , then both of these statements invoke this constructor:",[57,58,63],"pre",{"className":59,"code":60,"language":61,"meta":62,"style":62},"language-java shiki shiki-themes github-light github-dark monokai","my $obj1 = Class->new; # 'object-oriented' syntax\nmy $obj = new Class; # 'indirect object' syntax\n","java","",[48,64,65,97],{"__ignoreMap":62},[66,67,70,74,78,81,85,87,90,94],"span",{"class":68,"line":69},"line",1,[66,71,73],{"class":72},"sMOD_","my $obj1 ",[66,75,77],{"class":76},"sC2Qs","=",[66,79,80],{"class":72}," Class",[66,82,84],{"class":83},"sq6CD","->",[66,86,54],{"class":76},[66,88,89],{"class":72},"; # ",[66,91,93],{"class":92},"sstjo","'object-oriented'",[66,95,96],{"class":72}," syntax\n",[66,98,100,103,105,108,111,114],{"class":68,"line":99},2,[66,101,102],{"class":72},"my $obj ",[66,104,77],{"class":76},[66,106,107],{"class":76}," new",[66,109,110],{"class":72}," Class; # ",[66,112,113],{"class":92},"'indirect object'",[66,115,96],{"class":72},[39,117,41,118,123,124,127],{},[119,120,122],"a",{"href":121},"\u002Fsei-cert-perl-coding-standard\u002Fback-matter\u002Faa-bibliography#AA.Bibliography-Manpages","perlobj"," manpage [ ",[119,125,126],{"href":121},"Wall 2011"," ] states the following:",[129,130,131],"blockquote",{},[39,132,41,133,135],{},[48,134,84],{}," notation suffers from neither of these disturbing ambiguities, so we recommend you use it exclusively. However, you may still end up having to read code using the indirect object notation, so it's important to be familiar with it.",[39,137,138],{},"Consequently, indirect object syntax shall not be used.",[140,141,143],"h2",{"id":142},"noncompliant-code-example","Noncompliant Code Example",[39,145,146],{},"This noncompliant code example demonstrates some of the hazards of using indirect call syntax.",[148,149,151],"code-block",{"quality":150},"bad",[57,152,156],{"className":153,"code":154,"language":155,"meta":62,"style":62},"language-perl shiki shiki-themes github-light github-dark monokai","{\n  package Class;\n  sub new {\n    my $class = shift;\n    my $arg = shift;\n    my $self = bless( {Arg=>$arg}, $class);\n    print \"Class::new called with $arg\\n\";\n    return $self;\n  }\n}\n\nsub new {\n  my $arg = shift;\n  print \"::new called with $arg\\n\";\n}\n\n\nmy $class_to_use = Class;\n\nmy $b1 = new Something;       # Invokes global new\nmy $b2 = new Class Something; # Invokes Class::new\nmy $b3 = new $class_to_use;   # Surprise! invokes global new! \n","perl",[48,157,158,163,174,186,201,213,237,257,266,272,278,284,294,306,323,328,333,338,347,352,364,375],{"__ignoreMap":62},[66,159,160],{"class":68,"line":69},[66,161,162],{"class":72},"{\n",[66,164,165,168,171],{"class":68,"line":99},[66,166,167],{"class":76},"  package",[66,169,80],{"class":170},"sz2Vg",[66,172,173],{"class":72},";\n",[66,175,177,180,183],{"class":68,"line":176},3,[66,178,179],{"class":83},"  sub",[66,181,107],{"class":182},"srTi1",[66,184,185],{"class":72}," {\n",[66,187,189,192,195,199],{"class":68,"line":188},4,[66,190,191],{"class":76},"    my",[66,193,194],{"class":72}," $class = ",[66,196,198],{"class":197},"sTrkL","shift",[66,200,173],{"class":72},[66,202,204,206,209,211],{"class":68,"line":203},5,[66,205,191],{"class":76},[66,207,208],{"class":72}," $arg = ",[66,210,198],{"class":197},[66,212,173],{"class":72},[66,214,216,218,221,224,227,231,234],{"class":68,"line":215},6,[66,217,191],{"class":76},[66,219,220],{"class":72}," $self = ",[66,222,223],{"class":197},"bless",[66,225,226],{"class":72},"( {",[66,228,230],{"class":229},"s7F3e","Arg",[66,232,233],{"class":76},"=>",[66,235,236],{"class":72},"$arg}, $class);\n",[66,238,240,243,246,249,252,255],{"class":68,"line":239},7,[66,241,242],{"class":197},"    print",[66,244,245],{"class":92}," \"Class::new called with ",[66,247,248],{"class":72},"$arg",[66,250,251],{"class":229},"\\n",[66,253,254],{"class":92},"\"",[66,256,173],{"class":72},[66,258,260,263],{"class":68,"line":259},8,[66,261,262],{"class":76},"    return",[66,264,265],{"class":72}," $self;\n",[66,267,269],{"class":68,"line":268},9,[66,270,271],{"class":72},"  }\n",[66,273,275],{"class":68,"line":274},10,[66,276,277],{"class":72},"}\n",[66,279,281],{"class":68,"line":280},11,[66,282,283],{"emptyLinePlaceholder":7},"\n",[66,285,287,290,292],{"class":68,"line":286},12,[66,288,289],{"class":83},"sub",[66,291,107],{"class":182},[66,293,185],{"class":72},[66,295,297,300,302,304],{"class":68,"line":296},13,[66,298,299],{"class":76},"  my",[66,301,208],{"class":72},[66,303,198],{"class":197},[66,305,173],{"class":72},[66,307,309,312,315,317,319,321],{"class":68,"line":308},14,[66,310,311],{"class":197},"  print",[66,313,314],{"class":92}," \"::new called with ",[66,316,248],{"class":72},[66,318,251],{"class":229},[66,320,254],{"class":92},[66,322,173],{"class":72},[66,324,326],{"class":68,"line":325},15,[66,327,277],{"class":72},[66,329,331],{"class":68,"line":330},16,[66,332,283],{"emptyLinePlaceholder":7},[66,334,336],{"class":68,"line":335},17,[66,337,283],{"emptyLinePlaceholder":7},[66,339,341,344],{"class":68,"line":340},18,[66,342,343],{"class":76},"my",[66,345,346],{"class":72}," $class_to_use = Class;\n",[66,348,350],{"class":68,"line":349},19,[66,351,283],{"emptyLinePlaceholder":7},[66,353,355,357,360],{"class":68,"line":354},20,[66,356,343],{"class":76},[66,358,359],{"class":72}," $b1 = new Something;       ",[66,361,363],{"class":362},"s8-w5","# Invokes global new\n",[66,365,367,369,372],{"class":68,"line":366},21,[66,368,343],{"class":76},[66,370,371],{"class":72}," $b2 = new Class Something; ",[66,373,374],{"class":362},"# Invokes Class::new\n",[66,376,378,380,383],{"class":68,"line":377},22,[66,379,343],{"class":76},[66,381,382],{"class":72}," $b3 = new $class_to_use;   ",[66,384,385],{"class":362},"# Surprise! invokes global new!\n",[39,387,388,389,391],{},"In this code, the last three statements use indirect object syntax to invoke a ",[48,390,54],{}," subroutine. 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Process","\u002Fsei-cert-perl-coding-standard\u002Ffront-matter\u002Fintroduction\u002Fdevelopment-process","7.sei-cert-perl-coding-standard\u002F2.front-matter\u002F3.introduction\u002F04.development-process",{"title":740,"path":741,"stem":742},"Usage","\u002Fsei-cert-perl-coding-standard\u002Ffront-matter\u002Fintroduction\u002Fusage","7.sei-cert-perl-coding-standard\u002F2.front-matter\u002F3.introduction\u002F05.usage",{"title":744,"path":745,"stem":746},"System Qualities","\u002Fsei-cert-perl-coding-standard\u002Ffront-matter\u002Fintroduction\u002Fsystem-qualities","7.sei-cert-perl-coding-standard\u002F2.front-matter\u002F3.introduction\u002F06.system-qualities",{"title":466,"path":748,"stem":749},"\u002Fsei-cert-perl-coding-standard\u002Ffront-matter\u002Fintroduction\u002Frisk-assessment","7.sei-cert-perl-coding-standard\u002F2.front-matter\u002F3.introduction\u002F07.risk-assessment",{"title":751,"path":752,"stem":753},"Source Code Validation","\u002Fsei-cert-perl-coding-standard\u002Ffront-matter\u002Fintroduction\u002Fsource-code-validation","7.sei-cert-perl-coding-standard\u002F2.front-matter\u002F3.introduction\u002F08.source-code-validation",{"title":755,"path":756,"stem":757},"Automatically Generated Code","\u002Fsei-cert-perl-coding-standard\u002Ffront-matter\u002Fintroduction\u002Fautomatically-generated-code","7.sei-cert-perl-coding-standard\u002F2.front-matter\u002F3.introduction\u002F09.automatically-generated-code",{"title":759,"path":760,"stem":761},"Acknowledgements","\u002Fsei-cert-perl-coding-standard\u002Ffront-matter\u002Fintroduction\u002Facknowledgements","7.sei-cert-perl-coding-standard\u002F2.front-matter\u002F3.introduction\u002F11.acknowledgements",{"title":763,"path":764,"stem":765,"children":766},"Rules","\u002Fsei-cert-perl-coding-standard\u002Frules","7.sei-cert-perl-coding-standard\u002F3.rules\u002F1.index",[767,768,786,812,822,852,856,870,874],{"title":763,"path":764,"stem":765},{"title":769,"path":770,"stem":771,"children":772},"Declarations and Initialization (DCL)","\u002Fsei-cert-perl-coding-standard\u002Frules\u002Fdeclarations-and-initialization-dcl","7.sei-cert-perl-coding-standard\u002F3.rules\u002F2.declarations-and-initialization-dcl\u002F1.index",[773,774,778,782],{"title":769,"path":770,"stem":771},{"title":775,"path":776,"stem":777},"DCL30-PL. Do not import deprecated modules","\u002Fsei-cert-perl-coding-standard\u002Frules\u002Fdeclarations-and-initialization-dcl\u002Fdcl30-pl","7.sei-cert-perl-coding-standard\u002F3.rules\u002F2.declarations-and-initialization-dcl\u002F2.dcl30-pl",{"title":779,"path":780,"stem":781},"DCL31-PL. Do not overload reserved keywords or subroutines","\u002Fsei-cert-perl-coding-standard\u002Frules\u002Fdeclarations-and-initialization-dcl\u002Fdcl31-pl","7.sei-cert-perl-coding-standard\u002F3.rules\u002F2.declarations-and-initialization-dcl\u002F3.dcl31-pl",{"title":783,"path":784,"stem":785},"DCL33-PL. Declare identifiers before using them","\u002Fsei-cert-perl-coding-standard\u002Frules\u002Fdeclarations-and-initialization-dcl\u002Fdcl33-pl","7.sei-cert-perl-coding-standard\u002F3.rules\u002F2.declarations-and-initialization-dcl\u002F4.dcl33-pl",{"title":787,"path":788,"stem":789,"children":790},"Expressions (EXP)","\u002Fsei-cert-perl-coding-standard\u002Frules\u002Fexpressions-exp","7.sei-cert-perl-coding-standard\u002F3.rules\u002F3.expressions-exp\u002F1.index",[791,792,796,800,804,808],{"title":787,"path":788,"stem":789},{"title":793,"path":794,"stem":795},"EXP30-PL. Do not use deprecated or obsolete functions or modules","\u002Fsei-cert-perl-coding-standard\u002Frules\u002Fexpressions-exp\u002Fexp30-pl","7.sei-cert-perl-coding-standard\u002F3.rules\u002F3.expressions-exp\u002F2.exp30-pl",{"title":797,"path":798,"stem":799},"EXP31-PL. Do not suppress or ignore exceptions","\u002Fsei-cert-perl-coding-standard\u002Frules\u002Fexpressions-exp\u002Fexp31-pl","7.sei-cert-perl-coding-standard\u002F3.rules\u002F3.expressions-exp\u002F3.exp31-pl",{"title":801,"path":802,"stem":803},"EXP32-PL. Do not ignore function return values","\u002Fsei-cert-perl-coding-standard\u002Frules\u002Fexpressions-exp\u002Fexp32-pl","7.sei-cert-perl-coding-standard\u002F3.rules\u002F3.expressions-exp\u002F4.exp32-pl",{"title":805,"path":806,"stem":807},"EXP33-PL. Do not invoke a function in a context for which it is not defined","\u002Fsei-cert-perl-coding-standard\u002Frules\u002Fexpressions-exp\u002Fexp33-pl","7.sei-cert-perl-coding-standard\u002F3.rules\u002F3.expressions-exp\u002F5.exp33-pl",{"title":809,"path":810,"stem":811},"EXP35-PL. Use the correct operator type for comparing values","\u002Fsei-cert-perl-coding-standard\u002Frules\u002Fexpressions-exp\u002Fexp35-pl","7.sei-cert-perl-coding-standard\u002F3.rules\u002F3.expressions-exp\u002F6.exp35-pl",{"title":813,"path":814,"stem":815,"children":816},"File Input and Output (FIO)","\u002Fsei-cert-perl-coding-standard\u002Frules\u002Ffile-input-and-output-fio","7.sei-cert-perl-coding-standard\u002F3.rules\u002F4.file-input-and-output-fio\u002F1.index",[817,818],{"title":813,"path":814,"stem":815},{"title":819,"path":820,"stem":821},"FIO30-PL. Use compatible character encodings when performing network or file I\u002FO","\u002Fsei-cert-perl-coding-standard\u002Frules\u002Ffile-input-and-output-fio\u002Ffio30-pl","7.sei-cert-perl-coding-standard\u002F3.rules\u002F4.file-input-and-output-fio\u002F2.fio30-pl",{"title":823,"path":824,"stem":825,"children":826},"Input Validation and Data Sanitization (IDS)","\u002Fsei-cert-perl-coding-standard\u002Frules\u002Finput-validation-and-data-sanitization-ids","7.sei-cert-perl-coding-standard\u002F3.rules\u002F5.input-validation-and-data-sanitization-ids\u002F1.index",[827,828,832,836,840,844,848],{"title":823,"path":824,"stem":825},{"title":829,"path":830,"stem":831},"IDS30-PL. Exclude user input from format strings","\u002Fsei-cert-perl-coding-standard\u002Frules\u002Finput-validation-and-data-sanitization-ids\u002Fids30-pl","7.sei-cert-perl-coding-standard\u002F3.rules\u002F5.input-validation-and-data-sanitization-ids\u002F2.ids30-pl",{"title":833,"path":834,"stem":835},"IDS31-PL. Do not use the two-argument form of open()","\u002Fsei-cert-perl-coding-standard\u002Frules\u002Finput-validation-and-data-sanitization-ids\u002Fids31-pl","7.sei-cert-perl-coding-standard\u002F3.rules\u002F5.input-validation-and-data-sanitization-ids\u002F3.ids31-pl",{"title":837,"path":838,"stem":839},"IDS32-PL. Validate any integer that is used as an array index","\u002Fsei-cert-perl-coding-standard\u002Frules\u002Finput-validation-and-data-sanitization-ids\u002Fids32-pl","7.sei-cert-perl-coding-standard\u002F3.rules\u002F5.input-validation-and-data-sanitization-ids\u002F4.ids32-pl",{"title":841,"path":842,"stem":843},"IDS33-PL. Sanitize untrusted data passed across a trust boundary","\u002Fsei-cert-perl-coding-standard\u002Frules\u002Finput-validation-and-data-sanitization-ids\u002Fids33-pl","7.sei-cert-perl-coding-standard\u002F3.rules\u002F5.input-validation-and-data-sanitization-ids\u002F5.ids33-pl",{"title":845,"path":846,"stem":847},"IDS34-PL. Do not pass untrusted, unsanitized data to a command interpreter","\u002Fsei-cert-perl-coding-standard\u002Frules\u002Finput-validation-and-data-sanitization-ids\u002Fids34-pl","7.sei-cert-perl-coding-standard\u002F3.rules\u002F5.input-validation-and-data-sanitization-ids\u002F6.ids34-pl",{"title":849,"path":850,"stem":851},"IDS35-PL. Do not invoke the eval form with a string argument","\u002Fsei-cert-perl-coding-standard\u002Frules\u002Finput-validation-and-data-sanitization-ids\u002Fids35-pl","7.sei-cert-perl-coding-standard\u002F3.rules\u002F5.input-validation-and-data-sanitization-ids\u002F7.ids35-pl",{"title":853,"path":854,"stem":855},"Integers (INT)","\u002Fsei-cert-perl-coding-standard\u002Frules\u002Fintegers-int","7.sei-cert-perl-coding-standard\u002F3.rules\u002F6.integers-int",{"title":857,"path":858,"stem":859,"children":860},"Miscellaneous (MSC)","\u002Fsei-cert-perl-coding-standard\u002Frules\u002Fmiscellaneous-msc","7.sei-cert-perl-coding-standard\u002F3.rules\u002F7.miscellaneous-msc\u002F1.index",[861,862,866],{"title":857,"path":858,"stem":859},{"title":863,"path":864,"stem":865},"MSC31-PL. Do not embed global statements","\u002Fsei-cert-perl-coding-standard\u002Frules\u002Fmiscellaneous-msc\u002Fmsc31-pl","7.sei-cert-perl-coding-standard\u002F3.rules\u002F7.miscellaneous-msc\u002F2.msc31-pl",{"title":867,"path":868,"stem":869},"MSC32-PL. Do not provide a module's version value from outside the module","\u002Fsei-cert-perl-coding-standard\u002Frules\u002Fmiscellaneous-msc\u002Fmsc32-pl","7.sei-cert-perl-coding-standard\u002F3.rules\u002F7.miscellaneous-msc\u002F3.msc32-pl",{"title":693,"path":694,"stem":695,"children":871},[872,873],{"title":693,"path":694,"stem":695},{"title":30,"path":687,"stem":689},{"title":697,"path":698,"stem":699,"children":875},[876,877,881],{"title":697,"path":698,"stem":699},{"title":878,"path":879,"stem":880},"STR30-PL. Capture variables should be read only immediately after a successful regex match","\u002Fsei-cert-perl-coding-standard\u002Frules\u002Fstrings-str\u002Fstr30-pl","7.sei-cert-perl-coding-standard\u002F3.rules\u002F9.strings-str\u002F2.str30-pl",{"title":882,"path":883,"stem":884},"STR31-PL. Do not pass string literals to functions expecting regexes","\u002Fsei-cert-perl-coding-standard\u002Frules\u002Fstrings-str\u002Fstr31-pl","7.sei-cert-perl-coding-standard\u002F3.rules\u002F9.strings-str\u002F3.str31-pl",{"title":886,"path":887,"stem":888,"children":889},"Recommendations","\u002Fsei-cert-perl-coding-standard\u002Frecommendations","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F1.index",[890,891,920,953,966,979,992,1017,1029],{"title":886,"path":887,"stem":888},{"title":769,"path":892,"stem":893,"children":894},"\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Fdeclarations-and-initialization-dcl","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F2.declarations-and-initialization-dcl\u002F1.index",[895,896,900,904,908,912,916],{"title":769,"path":892,"stem":893},{"title":897,"path":898,"stem":899},"DCL00-PL. Do not use subroutine prototypes","\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Fdeclarations-and-initialization-dcl\u002Fdcl00-pl","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F2.declarations-and-initialization-dcl\u002F2.dcl00-pl",{"title":901,"path":902,"stem":903},"DCL01-PL. Do not reuse variable names in subscopes","\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Fdeclarations-and-initialization-dcl\u002Fdcl01-pl","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F2.declarations-and-initialization-dcl\u002F3.dcl01-pl",{"title":905,"path":906,"stem":907},"DCL02-PL. Any modified punctuation variable should be declared local","\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Fdeclarations-and-initialization-dcl\u002Fdcl02-pl","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F2.declarations-and-initialization-dcl\u002F4.dcl02-pl",{"title":909,"path":910,"stem":911},"DCL03-PL. Do not read a foreach iterator variable after the loop has completed","\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Fdeclarations-and-initialization-dcl\u002Fdcl03-pl","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F2.declarations-and-initialization-dcl\u002F5.dcl03-pl",{"title":913,"path":914,"stem":915},"DCL04-PL. Always initialize local variables","\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Fdeclarations-and-initialization-dcl\u002Fdcl04-pl","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F2.declarations-and-initialization-dcl\u002F6.dcl04-pl",{"title":917,"path":918,"stem":919},"DCL05-PL. Prohibit Perl4 package names","\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Fdeclarations-and-initialization-dcl\u002Fdcl05-pl","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F2.declarations-and-initialization-dcl\u002F7.dcl05-pl",{"title":787,"path":921,"stem":922,"children":923},"\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Fexpressions-exp","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F3.expressions-exp\u002F1.index",[924,925,929,933,937,941,945,949],{"title":787,"path":921,"stem":922},{"title":926,"path":927,"stem":928},"EXP00-PL. Do not return undef","\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Fexpressions-exp\u002Fexp00-pl","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F3.expressions-exp\u002F2.exp00-pl",{"title":930,"path":931,"stem":932},"EXP01-PL. Do not depend on the return value of functions that lack a return statement","\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Fexpressions-exp\u002Fexp01-pl","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F3.expressions-exp\u002F3.exp01-pl",{"title":934,"path":935,"stem":936},"EXP03-PL. Do not diminish the benefits of constants by assuming their values in expressions","\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Fexpressions-exp\u002Fexp03-pl","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F3.expressions-exp\u002F4.exp03-pl",{"title":938,"path":939,"stem":940},"EXP04-PL. Do not mix the early-precedence logical operators with late-precedence logical operators","\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Fexpressions-exp\u002Fexp04-pl","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F3.expressions-exp\u002F5.exp04-pl",{"title":942,"path":943,"stem":944},"EXP06-PL. Do not use an array in an implicit scalar context","\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Fexpressions-exp\u002Fexp06-pl","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F3.expressions-exp\u002F6.exp06-pl",{"title":946,"path":947,"stem":948},"EXP07-PL. Do not modify $_ in list or sorting functions","\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Fexpressions-exp\u002Fexp07-pl","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F3.expressions-exp\u002F7.exp07-pl",{"title":950,"path":951,"stem":952},"EXP08-PL. Do not use the one-argument form of select()","\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Fexpressions-exp\u002Fexp08-pl","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F3.expressions-exp\u002F8.exp08-pl",{"title":813,"path":954,"stem":955,"children":956},"\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Ffile-input-and-output-fio","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F4.file-input-and-output-fio\u002F1.index",[957,958,962],{"title":813,"path":954,"stem":955},{"title":959,"path":960,"stem":961},"FIO00-PL. Do not use bareword file handles","\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Ffile-input-and-output-fio\u002Ffio00-pl","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F4.file-input-and-output-fio\u002F2.fio00-pl",{"title":963,"path":964,"stem":965},"FIO01-PL. Do not operate on files that can be modified by untrusted users","\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Ffile-input-and-output-fio\u002Ffio01-pl","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F4.file-input-and-output-fio\u002F3.fio01-pl",{"title":823,"path":967,"stem":968,"children":969},"\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Finput-validation-and-data-sanitization-ids","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F5.input-validation-and-data-sanitization-ids\u002F1.index",[970,971,975],{"title":823,"path":967,"stem":968},{"title":972,"path":973,"stem":974},"IDS00-PL. Canonicalize path names before validating them","\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Finput-validation-and-data-sanitization-ids\u002Fids00-pl","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F5.input-validation-and-data-sanitization-ids\u002F2.ids00-pl",{"title":976,"path":977,"stem":978},"IDS01-PL. Use taint mode while being aware of its limitations","\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Finput-validation-and-data-sanitization-ids\u002Fids01-pl","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F5.input-validation-and-data-sanitization-ids\u002F3.ids01-pl",{"title":853,"path":980,"stem":981,"children":982},"\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Fintegers-int","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F6.integers-int\u002F1.index",[983,984,988],{"title":853,"path":980,"stem":981},{"title":985,"path":986,"stem":987},"INT00-PL. Do not prepend leading zeroes to integer literals","\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Fintegers-int\u002Fint00-pl","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F6.integers-int\u002F2.int00-pl",{"title":989,"path":990,"stem":991},"INT01-PL. Use small integers when precise computation is required","\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Fintegers-int\u002Fint01-pl","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F6.integers-int\u002F3.int01-pl",{"title":857,"path":993,"stem":994,"children":995},"\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Fmiscellaneous-msc","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F7.miscellaneous-msc\u002F1.index",[996,997,1001,1005,1009,1013],{"title":857,"path":993,"stem":994},{"title":998,"path":999,"stem":1000},"MSC00-PL. Detect and remove dead code","\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Fmiscellaneous-msc\u002Fmsc00-pl","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F7.miscellaneous-msc\u002F2.msc00-pl",{"title":1002,"path":1003,"stem":1004},"MSC01-PL. Detect and remove unused variables","\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Fmiscellaneous-msc\u002Fmsc01-pl","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F7.miscellaneous-msc\u002F3.msc01-pl",{"title":1006,"path":1007,"stem":1008},"MSC02-PL. Run programs with full warnings and strict checking","\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Fmiscellaneous-msc\u002Fmsc02-pl","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F7.miscellaneous-msc\u002F4.msc02-pl",{"title":1010,"path":1011,"stem":1012},"MSC03-PL. Do not use select() to sleep","\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Fmiscellaneous-msc\u002Fmsc03-pl","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F7.miscellaneous-msc\u002F5.msc03-pl",{"title":1014,"path":1015,"stem":1016},"MSC04-PL. Do not use comma to separate statements","\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Fmiscellaneous-msc\u002Fmsc04-pl","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F7.miscellaneous-msc\u002F6.msc04-pl",{"title":693,"path":1018,"stem":1019,"children":1020},"\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Fobject-oriented-programming-oop","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F8.object-oriented-programming-oop\u002F1.index",[1021,1022,1026],{"title":693,"path":1018,"stem":1019},{"title":1023,"path":1024,"stem":1025},"OOP00-PL. Do not signify inheritence at runtime","\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Fobject-oriented-programming-oop\u002Foop00-pl","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F8.object-oriented-programming-oop\u002F2.oop00-pl",{"title":1027,"path":653,"stem":1028},"OOP01-PL. Do not access private variables or subroutines in other packages","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F8.object-oriented-programming-oop\u002F3.oop01-pl",{"title":697,"path":1030,"stem":1031},"\u002Fsei-cert-perl-coding-standard\u002Frecommendations\u002Fstrings-str","7.sei-cert-perl-coding-standard\u002F4.recommendations\u002F9.strings-str",{"title":1033,"path":1034,"stem":1035,"children":1036},"Back Matter","\u002Fsei-cert-perl-coding-standard\u002Fback-matter","7.sei-cert-perl-coding-standard\u002F5.back-matter\u002F1.index",[1037,1038,1042,1072],{"title":1033,"path":1034,"stem":1035},{"title":1039,"path":1040,"stem":1041},"AA. Bibliography","\u002Fsei-cert-perl-coding-standard\u002Fback-matter\u002Faa-bibliography","7.sei-cert-perl-coding-standard\u002F5.back-matter\u002F2.aa-bibliography",{"title":1043,"path":1044,"stem":1045,"children":1046},"BB. 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Risk Assessments","\u002Fsei-cert-perl-coding-standard\u002Fback-matter\u002Fcc-risk-assessments","7.sei-cert-perl-coding-standard\u002F5.back-matter\u002F4.cc-risk-assessments",1775657794021]