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From |
Daniel Marcelino <dmsilva.br@gmail.com> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: identifying how many digits string var has |

Date |
Sun, 3 Apr 2011 14:55:56 -0300 |

Yeah, thinking better the problem, my test is ilogical. Thanks Daniel On Sun, Apr 3, 2011 at 4:28 AM, Nick Cox <njcoxstata@gmail.com> wrote: > Joerg Luedicke gave you a solution with -length()-. > > -strlen()- and -length()- are just different names for the same function. > > What you did wrong was that > > ... if strlen(`x') > > is to be thought of as a contraction for > > ... if strlen(`x') > 0 > > which is true for all your tests. So, the last test you made > overwrites the others. > > As Joerg said, just using -length()- or -strlen()- to count the > characters is what you want. > > Nick > > On Sun, Apr 3, 2011 at 1:38 AM, Daniel Marcelino <dmsilva.br@gmail.com> wrote: > >> Is there a way to identify how many digits a string var have? In the >> following example I have 18 , 14, and "missing" digits (counting "/". >> "-" and "."). So, I want to identify in var2 how many digits per line >> var1 has. >> >> gen str20 var1 = "" >> input >> "12.205.291/0001-33" >> "12.176.958/0001-17" >> "589.275.222-49" >> "409.011.140-49" >> "12.147.825/0001-12" >> "010.433.392-80" >> "07.752.894/0001-15" >> "." >> end >> >> >> I tried this loop, but it just returned me value "3" for all obs. What is wrong? >> >> foreach x of varlist var1 { >> generate byte var2 = 1 if strlen(`x') >> replace var2 = 2 if strlen(`x') >> replace var2 = 3 if strlen(`x') >> } > * > * For searches and help try: > * http://www.stata.com/help.cgi?search > * http://www.stata.com/support/statalist/faq > * http://www.ats.ucla.edu/stat/stata/ > * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**References**:**st: identifying how many digits string var has***From:*Daniel Marcelino <dmsilva.br@gmail.com>

**Re: st: identifying how many digits string var has***From:*Nick Cox <njcoxstata@gmail.com>

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