Combine datetime2 and csvsimple












2















How can I make the following code compile:



documentclass{standalone} 
usepackage{csvsimple}
usepackage{datetime2}
usepackage{filecontents}
begin{filecontents*}{test.csv}
a,b
2019,00:00:00
2019,00:00:01
2020,00:00:02
2018,00:00:03
2018,00:00:04
end{filecontents*}
begin{document}
csvreader[head to column names,tabular=llllll]{test.csv}{}
{a&DTMtime{b}}
end{document}


Note that it does compile if I replace b by 00:00:01










share|improve this question



























    2















    How can I make the following code compile:



    documentclass{standalone} 
    usepackage{csvsimple}
    usepackage{datetime2}
    usepackage{filecontents}
    begin{filecontents*}{test.csv}
    a,b
    2019,00:00:00
    2019,00:00:01
    2020,00:00:02
    2018,00:00:03
    2018,00:00:04
    end{filecontents*}
    begin{document}
    csvreader[head to column names,tabular=llllll]{test.csv}{}
    {a&DTMtime{b}}
    end{document}


    Note that it does compile if I replace b by 00:00:01










    share|improve this question

























      2












      2








      2








      How can I make the following code compile:



      documentclass{standalone} 
      usepackage{csvsimple}
      usepackage{datetime2}
      usepackage{filecontents}
      begin{filecontents*}{test.csv}
      a,b
      2019,00:00:00
      2019,00:00:01
      2020,00:00:02
      2018,00:00:03
      2018,00:00:04
      end{filecontents*}
      begin{document}
      csvreader[head to column names,tabular=llllll]{test.csv}{}
      {a&DTMtime{b}}
      end{document}


      Note that it does compile if I replace b by 00:00:01










      share|improve this question














      How can I make the following code compile:



      documentclass{standalone} 
      usepackage{csvsimple}
      usepackage{datetime2}
      usepackage{filecontents}
      begin{filecontents*}{test.csv}
      a,b
      2019,00:00:00
      2019,00:00:01
      2020,00:00:02
      2018,00:00:03
      2018,00:00:04
      end{filecontents*}
      begin{document}
      csvreader[head to column names,tabular=llllll]{test.csv}{}
      {a&DTMtime{b}}
      end{document}


      Note that it does compile if I replace b by 00:00:01







      csvsimple datetime2






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Mar 18 at 21:04









      GerhardGerhard

      432




      432






















          1 Answer
          1






          active

          oldest

          votes


















          2














          The problem is that DTMtime expects its argument to already be expanded. You can see the problem if you say:



          deftest{00:00:00}
          DTMtime{test}


          this already throws an error. You need to expand first test and then run DTMtime on it. One way to do this is by saying



          edeftemp{noexpandDTMtime{test}}temp


          The command edef defines a new macro by recursively expanding the body of the macro. The command noexpand stops DTMtime from being expanded, so that temp gets defined as DTMtime{00:00:00} which then works as expected.



          I like to define this inside of a macro, say called eval:



          defeval#1{edeftemp{#1}temp}
          eval{noexpandDTMtime{test}}


          Another option is to do this using Latex3. Latex3 defines the macro exp_args:Nx which edef's the argument of a macro before calling it, so then exp_args:NxDTMtime{test} will expand test first and then run DTMtime on it. You can define a wrapper macro for DTMtime that always expands its argument first. Here's sample code for that:



          documentclass{standalone} 
          usepackage{expl3}
          usepackage{datetime2}
          ExplSyntaxOn
          cs_new:NpnDTMtimex { exp_args:NxDTMtime }
          ExplSyntaxOff

          begin{document}
          deftest{00:00:00}
          DTMtimex{test}
          end{document}


          Here's complete code:



          documentclass{standalone} 
          usepackage{csvsimple}
          usepackage{datetime2}
          usepackage{filecontents}
          begin{filecontents*}{test.csv}
          a,b
          2019,00:00:00
          2019,00:00:01
          2020,00:00:02
          2018,00:00:03
          2018,00:00:04
          end{filecontents*}

          defeval#1{edeftemp{#1}temp}
          defDTMtimex#1{eval{noexpandDTMtime{#1}}}

          begin{document}
          csvreader[head to column names,tabular=llllll]{test.csv}{}
          {a&DTMtimex{b}}
          end{document}





          share|improve this answer


























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            1 Answer
            1






            active

            oldest

            votes








            1 Answer
            1






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes









            2














            The problem is that DTMtime expects its argument to already be expanded. You can see the problem if you say:



            deftest{00:00:00}
            DTMtime{test}


            this already throws an error. You need to expand first test and then run DTMtime on it. One way to do this is by saying



            edeftemp{noexpandDTMtime{test}}temp


            The command edef defines a new macro by recursively expanding the body of the macro. The command noexpand stops DTMtime from being expanded, so that temp gets defined as DTMtime{00:00:00} which then works as expected.



            I like to define this inside of a macro, say called eval:



            defeval#1{edeftemp{#1}temp}
            eval{noexpandDTMtime{test}}


            Another option is to do this using Latex3. Latex3 defines the macro exp_args:Nx which edef's the argument of a macro before calling it, so then exp_args:NxDTMtime{test} will expand test first and then run DTMtime on it. You can define a wrapper macro for DTMtime that always expands its argument first. Here's sample code for that:



            documentclass{standalone} 
            usepackage{expl3}
            usepackage{datetime2}
            ExplSyntaxOn
            cs_new:NpnDTMtimex { exp_args:NxDTMtime }
            ExplSyntaxOff

            begin{document}
            deftest{00:00:00}
            DTMtimex{test}
            end{document}


            Here's complete code:



            documentclass{standalone} 
            usepackage{csvsimple}
            usepackage{datetime2}
            usepackage{filecontents}
            begin{filecontents*}{test.csv}
            a,b
            2019,00:00:00
            2019,00:00:01
            2020,00:00:02
            2018,00:00:03
            2018,00:00:04
            end{filecontents*}

            defeval#1{edeftemp{#1}temp}
            defDTMtimex#1{eval{noexpandDTMtime{#1}}}

            begin{document}
            csvreader[head to column names,tabular=llllll]{test.csv}{}
            {a&DTMtimex{b}}
            end{document}





            share|improve this answer






























              2














              The problem is that DTMtime expects its argument to already be expanded. You can see the problem if you say:



              deftest{00:00:00}
              DTMtime{test}


              this already throws an error. You need to expand first test and then run DTMtime on it. One way to do this is by saying



              edeftemp{noexpandDTMtime{test}}temp


              The command edef defines a new macro by recursively expanding the body of the macro. The command noexpand stops DTMtime from being expanded, so that temp gets defined as DTMtime{00:00:00} which then works as expected.



              I like to define this inside of a macro, say called eval:



              defeval#1{edeftemp{#1}temp}
              eval{noexpandDTMtime{test}}


              Another option is to do this using Latex3. Latex3 defines the macro exp_args:Nx which edef's the argument of a macro before calling it, so then exp_args:NxDTMtime{test} will expand test first and then run DTMtime on it. You can define a wrapper macro for DTMtime that always expands its argument first. Here's sample code for that:



              documentclass{standalone} 
              usepackage{expl3}
              usepackage{datetime2}
              ExplSyntaxOn
              cs_new:NpnDTMtimex { exp_args:NxDTMtime }
              ExplSyntaxOff

              begin{document}
              deftest{00:00:00}
              DTMtimex{test}
              end{document}


              Here's complete code:



              documentclass{standalone} 
              usepackage{csvsimple}
              usepackage{datetime2}
              usepackage{filecontents}
              begin{filecontents*}{test.csv}
              a,b
              2019,00:00:00
              2019,00:00:01
              2020,00:00:02
              2018,00:00:03
              2018,00:00:04
              end{filecontents*}

              defeval#1{edeftemp{#1}temp}
              defDTMtimex#1{eval{noexpandDTMtime{#1}}}

              begin{document}
              csvreader[head to column names,tabular=llllll]{test.csv}{}
              {a&DTMtimex{b}}
              end{document}





              share|improve this answer




























                2












                2








                2







                The problem is that DTMtime expects its argument to already be expanded. You can see the problem if you say:



                deftest{00:00:00}
                DTMtime{test}


                this already throws an error. You need to expand first test and then run DTMtime on it. One way to do this is by saying



                edeftemp{noexpandDTMtime{test}}temp


                The command edef defines a new macro by recursively expanding the body of the macro. The command noexpand stops DTMtime from being expanded, so that temp gets defined as DTMtime{00:00:00} which then works as expected.



                I like to define this inside of a macro, say called eval:



                defeval#1{edeftemp{#1}temp}
                eval{noexpandDTMtime{test}}


                Another option is to do this using Latex3. Latex3 defines the macro exp_args:Nx which edef's the argument of a macro before calling it, so then exp_args:NxDTMtime{test} will expand test first and then run DTMtime on it. You can define a wrapper macro for DTMtime that always expands its argument first. Here's sample code for that:



                documentclass{standalone} 
                usepackage{expl3}
                usepackage{datetime2}
                ExplSyntaxOn
                cs_new:NpnDTMtimex { exp_args:NxDTMtime }
                ExplSyntaxOff

                begin{document}
                deftest{00:00:00}
                DTMtimex{test}
                end{document}


                Here's complete code:



                documentclass{standalone} 
                usepackage{csvsimple}
                usepackage{datetime2}
                usepackage{filecontents}
                begin{filecontents*}{test.csv}
                a,b
                2019,00:00:00
                2019,00:00:01
                2020,00:00:02
                2018,00:00:03
                2018,00:00:04
                end{filecontents*}

                defeval#1{edeftemp{#1}temp}
                defDTMtimex#1{eval{noexpandDTMtime{#1}}}

                begin{document}
                csvreader[head to column names,tabular=llllll]{test.csv}{}
                {a&DTMtimex{b}}
                end{document}





                share|improve this answer















                The problem is that DTMtime expects its argument to already be expanded. You can see the problem if you say:



                deftest{00:00:00}
                DTMtime{test}


                this already throws an error. You need to expand first test and then run DTMtime on it. One way to do this is by saying



                edeftemp{noexpandDTMtime{test}}temp


                The command edef defines a new macro by recursively expanding the body of the macro. The command noexpand stops DTMtime from being expanded, so that temp gets defined as DTMtime{00:00:00} which then works as expected.



                I like to define this inside of a macro, say called eval:



                defeval#1{edeftemp{#1}temp}
                eval{noexpandDTMtime{test}}


                Another option is to do this using Latex3. Latex3 defines the macro exp_args:Nx which edef's the argument of a macro before calling it, so then exp_args:NxDTMtime{test} will expand test first and then run DTMtime on it. You can define a wrapper macro for DTMtime that always expands its argument first. Here's sample code for that:



                documentclass{standalone} 
                usepackage{expl3}
                usepackage{datetime2}
                ExplSyntaxOn
                cs_new:NpnDTMtimex { exp_args:NxDTMtime }
                ExplSyntaxOff

                begin{document}
                deftest{00:00:00}
                DTMtimex{test}
                end{document}


                Here's complete code:



                documentclass{standalone} 
                usepackage{csvsimple}
                usepackage{datetime2}
                usepackage{filecontents}
                begin{filecontents*}{test.csv}
                a,b
                2019,00:00:00
                2019,00:00:01
                2020,00:00:02
                2018,00:00:03
                2018,00:00:04
                end{filecontents*}

                defeval#1{edeftemp{#1}temp}
                defDTMtimex#1{eval{noexpandDTMtime{#1}}}

                begin{document}
                csvreader[head to column names,tabular=llllll]{test.csv}{}
                {a&DTMtimex{b}}
                end{document}






                share|improve this answer














                share|improve this answer



                share|improve this answer








                edited Mar 18 at 21:19

























                answered Mar 18 at 21:12









                Hood ChathamHood Chatham

                4,3791428




                4,3791428






























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