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Expand `ifthenelse` immediately


Duplicate and modify section hierarchyProblem with ifthenelseifthenelse in Latexifthenelse no else with string comparison`enumdepth` and `ifthenelse`Using @currenvir in ifthenelseifthenelse + equal behaves weirdlyUsing ifthenelse inside an optionifthenelse as an argument to equalhelp with nomenclature groups and ifthenelse













6















Consider this script:



documentclassreport
usepackageifthen
newcommandthesissizeSHORT
begindocument
setcounterpage
%3
ifthenelse
equalthesissizeSHORT
32

hey
enddocument


Compiling this script gives the error:



! Missing number, treated as zero.


I suspect that this is due to ifthenelse not being evaluated at the time of executing setcounter. How do I solve this?










share|improve this question




























    6















    Consider this script:



    documentclassreport
    usepackageifthen
    newcommandthesissizeSHORT
    begindocument
    setcounterpage
    %3
    ifthenelse
    equalthesissizeSHORT
    32

    hey
    enddocument


    Compiling this script gives the error:



    ! Missing number, treated as zero.


    I suspect that this is due to ifthenelse not being evaluated at the time of executing setcounter. How do I solve this?










    share|improve this question


























      6












      6








      6








      Consider this script:



      documentclassreport
      usepackageifthen
      newcommandthesissizeSHORT
      begindocument
      setcounterpage
      %3
      ifthenelse
      equalthesissizeSHORT
      32

      hey
      enddocument


      Compiling this script gives the error:



      ! Missing number, treated as zero.


      I suspect that this is due to ifthenelse not being evaluated at the time of executing setcounter. How do I solve this?










      share|improve this question
















      Consider this script:



      documentclassreport
      usepackageifthen
      newcommandthesissizeSHORT
      begindocument
      setcounterpage
      %3
      ifthenelse
      equalthesissizeSHORT
      32

      hey
      enddocument


      Compiling this script gives the error:



      ! Missing number, treated as zero.


      I suspect that this is due to ifthenelse not being evaluated at the time of executing setcounter. How do I solve this?







      macros ifthenelse






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited yesterday









      Peter Mortensen

      54637




      54637










      asked yesterday









      ViestursViesturs

      1,94041227




      1,94041227




















          3 Answers
          3






          active

          oldest

          votes


















          7














          you can't use ifthenelse inside setcounter. Change the order:



          documentclassreport
          usepackageifthen
          newcommandthesissizeSHORT
          begindocument
          ifthenelseequalthesissizeSHORT
          setcounterpage3setcounterpage2


          hey
          enddocument


          Expandable tests are possible with expl3 and etoolbox. For both you should store the reference text in a command:



          documentclassreport
          usepackageexpl3,etoolbox
          newcommandthesissizeSHORT
          newcommandshortsizeSHORT

          begindocument
          ExplSyntaxOn
          setcounterpagetl_if_eq:NNTFthesissizeshortsize32
          ExplSyntaxOff

          setcounterpageifdefequalthesissizeshortsize32

          hey
          enddocument





          share|improve this answer

























          • What is the reason?

            – Viesturs
            yesterday






          • 6





            ifthenelse is not expandable.

            – Ulrike Fischer
            yesterday






          • 1





            I added two more versions.

            – Ulrike Fischer
            yesterday


















          2














          Another version of a string comparison using the pdfTeX macro pdfstrcmp. The following uses the pdftexcmds package to make it available to all engines under the same name:



          documentclass[]article

          usepackagepdftexcmds
          makeatletter
          newcommandifstreq[2]
          %
          ifnumpdf@strcmp#1#2=0

          makeatother

          newcommandthesissizeSHORT

          begindocument
          setcounterpageifstreqthesissizeSHORT3else2fi
          hey
          enddocument


          If a LaTeX syntax is preferred one can use



          documentclass[]article

          usepackagepdftexcmds
          makeatletter
          newcommandifstreq[2]
          %
          ifnumpdf@strcmp#1#2=0
          expandafter@secondofthree
          fi
          @secondoftwo

          providecommand@secondofthree[3]#2
          makeatother

          newcommandthesissizeSHORT

          begindocument
          setcounterpageifstreqthesissizeSHORT32
          hey
          enddocument





          share|improve this answer
































            1














            No packages.



            documentclassreport
            newcommandthesissizeSHORT
            begindocument

            newcommandtmpSHORT
            ifxtmpthesissizerelaxsetcounterpage3elsesetcounterpage2fi

            thepage

            renewcommandtmpNOT SHORT
            ifxtmpthesissizerelaxsetcounterpage3elsesetcounterpage2fi

            thepage
            enddocument


            enter image description here



            The expandable version:



            documentclassreport
            newcommandthesissizeSHORT
            begindocument

            newcommandtmpSHORT
            setcounterpageifxtmpthesissize3else2fi

            thepage

            renewcommandtmpNOT SHORT
            setcounterpageifxtmpthesissize3else2fi

            thepage
            enddocument





            share|improve this answer

























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              3 Answers
              3






              active

              oldest

              votes








              3 Answers
              3






              active

              oldest

              votes









              active

              oldest

              votes






              active

              oldest

              votes









              7














              you can't use ifthenelse inside setcounter. Change the order:



              documentclassreport
              usepackageifthen
              newcommandthesissizeSHORT
              begindocument
              ifthenelseequalthesissizeSHORT
              setcounterpage3setcounterpage2


              hey
              enddocument


              Expandable tests are possible with expl3 and etoolbox. For both you should store the reference text in a command:



              documentclassreport
              usepackageexpl3,etoolbox
              newcommandthesissizeSHORT
              newcommandshortsizeSHORT

              begindocument
              ExplSyntaxOn
              setcounterpagetl_if_eq:NNTFthesissizeshortsize32
              ExplSyntaxOff

              setcounterpageifdefequalthesissizeshortsize32

              hey
              enddocument





              share|improve this answer

























              • What is the reason?

                – Viesturs
                yesterday






              • 6





                ifthenelse is not expandable.

                – Ulrike Fischer
                yesterday






              • 1





                I added two more versions.

                – Ulrike Fischer
                yesterday















              7














              you can't use ifthenelse inside setcounter. Change the order:



              documentclassreport
              usepackageifthen
              newcommandthesissizeSHORT
              begindocument
              ifthenelseequalthesissizeSHORT
              setcounterpage3setcounterpage2


              hey
              enddocument


              Expandable tests are possible with expl3 and etoolbox. For both you should store the reference text in a command:



              documentclassreport
              usepackageexpl3,etoolbox
              newcommandthesissizeSHORT
              newcommandshortsizeSHORT

              begindocument
              ExplSyntaxOn
              setcounterpagetl_if_eq:NNTFthesissizeshortsize32
              ExplSyntaxOff

              setcounterpageifdefequalthesissizeshortsize32

              hey
              enddocument





              share|improve this answer

























              • What is the reason?

                – Viesturs
                yesterday






              • 6





                ifthenelse is not expandable.

                – Ulrike Fischer
                yesterday






              • 1





                I added two more versions.

                – Ulrike Fischer
                yesterday













              7












              7








              7







              you can't use ifthenelse inside setcounter. Change the order:



              documentclassreport
              usepackageifthen
              newcommandthesissizeSHORT
              begindocument
              ifthenelseequalthesissizeSHORT
              setcounterpage3setcounterpage2


              hey
              enddocument


              Expandable tests are possible with expl3 and etoolbox. For both you should store the reference text in a command:



              documentclassreport
              usepackageexpl3,etoolbox
              newcommandthesissizeSHORT
              newcommandshortsizeSHORT

              begindocument
              ExplSyntaxOn
              setcounterpagetl_if_eq:NNTFthesissizeshortsize32
              ExplSyntaxOff

              setcounterpageifdefequalthesissizeshortsize32

              hey
              enddocument





              share|improve this answer















              you can't use ifthenelse inside setcounter. Change the order:



              documentclassreport
              usepackageifthen
              newcommandthesissizeSHORT
              begindocument
              ifthenelseequalthesissizeSHORT
              setcounterpage3setcounterpage2


              hey
              enddocument


              Expandable tests are possible with expl3 and etoolbox. For both you should store the reference text in a command:



              documentclassreport
              usepackageexpl3,etoolbox
              newcommandthesissizeSHORT
              newcommandshortsizeSHORT

              begindocument
              ExplSyntaxOn
              setcounterpagetl_if_eq:NNTFthesissizeshortsize32
              ExplSyntaxOff

              setcounterpageifdefequalthesissizeshortsize32

              hey
              enddocument






              share|improve this answer














              share|improve this answer



              share|improve this answer








              edited yesterday









              Andrew Swann

              78k9132332




              78k9132332










              answered yesterday









              Ulrike FischerUlrike Fischer

              198k9306692




              198k9306692












              • What is the reason?

                – Viesturs
                yesterday






              • 6





                ifthenelse is not expandable.

                – Ulrike Fischer
                yesterday






              • 1





                I added two more versions.

                – Ulrike Fischer
                yesterday

















              • What is the reason?

                – Viesturs
                yesterday






              • 6





                ifthenelse is not expandable.

                – Ulrike Fischer
                yesterday






              • 1





                I added two more versions.

                – Ulrike Fischer
                yesterday
















              What is the reason?

              – Viesturs
              yesterday





              What is the reason?

              – Viesturs
              yesterday




              6




              6





              ifthenelse is not expandable.

              – Ulrike Fischer
              yesterday





              ifthenelse is not expandable.

              – Ulrike Fischer
              yesterday




              1




              1





              I added two more versions.

              – Ulrike Fischer
              yesterday





              I added two more versions.

              – Ulrike Fischer
              yesterday











              2














              Another version of a string comparison using the pdfTeX macro pdfstrcmp. The following uses the pdftexcmds package to make it available to all engines under the same name:



              documentclass[]article

              usepackagepdftexcmds
              makeatletter
              newcommandifstreq[2]
              %
              ifnumpdf@strcmp#1#2=0

              makeatother

              newcommandthesissizeSHORT

              begindocument
              setcounterpageifstreqthesissizeSHORT3else2fi
              hey
              enddocument


              If a LaTeX syntax is preferred one can use



              documentclass[]article

              usepackagepdftexcmds
              makeatletter
              newcommandifstreq[2]
              %
              ifnumpdf@strcmp#1#2=0
              expandafter@secondofthree
              fi
              @secondoftwo

              providecommand@secondofthree[3]#2
              makeatother

              newcommandthesissizeSHORT

              begindocument
              setcounterpageifstreqthesissizeSHORT32
              hey
              enddocument





              share|improve this answer





























                2














                Another version of a string comparison using the pdfTeX macro pdfstrcmp. The following uses the pdftexcmds package to make it available to all engines under the same name:



                documentclass[]article

                usepackagepdftexcmds
                makeatletter
                newcommandifstreq[2]
                %
                ifnumpdf@strcmp#1#2=0

                makeatother

                newcommandthesissizeSHORT

                begindocument
                setcounterpageifstreqthesissizeSHORT3else2fi
                hey
                enddocument


                If a LaTeX syntax is preferred one can use



                documentclass[]article

                usepackagepdftexcmds
                makeatletter
                newcommandifstreq[2]
                %
                ifnumpdf@strcmp#1#2=0
                expandafter@secondofthree
                fi
                @secondoftwo

                providecommand@secondofthree[3]#2
                makeatother

                newcommandthesissizeSHORT

                begindocument
                setcounterpageifstreqthesissizeSHORT32
                hey
                enddocument





                share|improve this answer



























                  2












                  2








                  2







                  Another version of a string comparison using the pdfTeX macro pdfstrcmp. The following uses the pdftexcmds package to make it available to all engines under the same name:



                  documentclass[]article

                  usepackagepdftexcmds
                  makeatletter
                  newcommandifstreq[2]
                  %
                  ifnumpdf@strcmp#1#2=0

                  makeatother

                  newcommandthesissizeSHORT

                  begindocument
                  setcounterpageifstreqthesissizeSHORT3else2fi
                  hey
                  enddocument


                  If a LaTeX syntax is preferred one can use



                  documentclass[]article

                  usepackagepdftexcmds
                  makeatletter
                  newcommandifstreq[2]
                  %
                  ifnumpdf@strcmp#1#2=0
                  expandafter@secondofthree
                  fi
                  @secondoftwo

                  providecommand@secondofthree[3]#2
                  makeatother

                  newcommandthesissizeSHORT

                  begindocument
                  setcounterpageifstreqthesissizeSHORT32
                  hey
                  enddocument





                  share|improve this answer















                  Another version of a string comparison using the pdfTeX macro pdfstrcmp. The following uses the pdftexcmds package to make it available to all engines under the same name:



                  documentclass[]article

                  usepackagepdftexcmds
                  makeatletter
                  newcommandifstreq[2]
                  %
                  ifnumpdf@strcmp#1#2=0

                  makeatother

                  newcommandthesissizeSHORT

                  begindocument
                  setcounterpageifstreqthesissizeSHORT3else2fi
                  hey
                  enddocument


                  If a LaTeX syntax is preferred one can use



                  documentclass[]article

                  usepackagepdftexcmds
                  makeatletter
                  newcommandifstreq[2]
                  %
                  ifnumpdf@strcmp#1#2=0
                  expandafter@secondofthree
                  fi
                  @secondoftwo

                  providecommand@secondofthree[3]#2
                  makeatother

                  newcommandthesissizeSHORT

                  begindocument
                  setcounterpageifstreqthesissizeSHORT32
                  hey
                  enddocument






                  share|improve this answer














                  share|improve this answer



                  share|improve this answer








                  edited 12 hours ago

























                  answered yesterday









                  SkillmonSkillmon

                  24.3k12250




                  24.3k12250





















                      1














                      No packages.



                      documentclassreport
                      newcommandthesissizeSHORT
                      begindocument

                      newcommandtmpSHORT
                      ifxtmpthesissizerelaxsetcounterpage3elsesetcounterpage2fi

                      thepage

                      renewcommandtmpNOT SHORT
                      ifxtmpthesissizerelaxsetcounterpage3elsesetcounterpage2fi

                      thepage
                      enddocument


                      enter image description here



                      The expandable version:



                      documentclassreport
                      newcommandthesissizeSHORT
                      begindocument

                      newcommandtmpSHORT
                      setcounterpageifxtmpthesissize3else2fi

                      thepage

                      renewcommandtmpNOT SHORT
                      setcounterpageifxtmpthesissize3else2fi

                      thepage
                      enddocument





                      share|improve this answer





























                        1














                        No packages.



                        documentclassreport
                        newcommandthesissizeSHORT
                        begindocument

                        newcommandtmpSHORT
                        ifxtmpthesissizerelaxsetcounterpage3elsesetcounterpage2fi

                        thepage

                        renewcommandtmpNOT SHORT
                        ifxtmpthesissizerelaxsetcounterpage3elsesetcounterpage2fi

                        thepage
                        enddocument


                        enter image description here



                        The expandable version:



                        documentclassreport
                        newcommandthesissizeSHORT
                        begindocument

                        newcommandtmpSHORT
                        setcounterpageifxtmpthesissize3else2fi

                        thepage

                        renewcommandtmpNOT SHORT
                        setcounterpageifxtmpthesissize3else2fi

                        thepage
                        enddocument





                        share|improve this answer



























                          1












                          1








                          1







                          No packages.



                          documentclassreport
                          newcommandthesissizeSHORT
                          begindocument

                          newcommandtmpSHORT
                          ifxtmpthesissizerelaxsetcounterpage3elsesetcounterpage2fi

                          thepage

                          renewcommandtmpNOT SHORT
                          ifxtmpthesissizerelaxsetcounterpage3elsesetcounterpage2fi

                          thepage
                          enddocument


                          enter image description here



                          The expandable version:



                          documentclassreport
                          newcommandthesissizeSHORT
                          begindocument

                          newcommandtmpSHORT
                          setcounterpageifxtmpthesissize3else2fi

                          thepage

                          renewcommandtmpNOT SHORT
                          setcounterpageifxtmpthesissize3else2fi

                          thepage
                          enddocument





                          share|improve this answer















                          No packages.



                          documentclassreport
                          newcommandthesissizeSHORT
                          begindocument

                          newcommandtmpSHORT
                          ifxtmpthesissizerelaxsetcounterpage3elsesetcounterpage2fi

                          thepage

                          renewcommandtmpNOT SHORT
                          ifxtmpthesissizerelaxsetcounterpage3elsesetcounterpage2fi

                          thepage
                          enddocument


                          enter image description here



                          The expandable version:



                          documentclassreport
                          newcommandthesissizeSHORT
                          begindocument

                          newcommandtmpSHORT
                          setcounterpageifxtmpthesissize3else2fi

                          thepage

                          renewcommandtmpNOT SHORT
                          setcounterpageifxtmpthesissize3else2fi

                          thepage
                          enddocument






                          share|improve this answer














                          share|improve this answer



                          share|improve this answer








                          edited yesterday

























                          answered yesterday









                          Steven B. SegletesSteven B. Segletes

                          161k9205416




                          161k9205416



























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