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Break Field into Parts Problem

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  • Keith Hubert
    replied
    Re: Break Field into Parts Problem

    Hi Rich,

    It 3 years ago that Stan helped me sort out exactly the same problem.

    Have a look at this: https://forum.alphasoftware.com/showthread.php?t=22895

    Leave a comment:


  • csda1
    replied
    Re: Break Field into Parts Problem

    Originally posted by Rich Hartnett View Post
    ...The program exports the contacts to a .csv file, but the address fields come out looking like this:

    123 Main Street|Anywhere, VA 22705

    I assume that symbol between the "Street" and "Anywhere" is a carriage return, because it is a little shorter than a pipe delimiter.
    That symbol is a non-displayable (for that display object) character value somewhere between ASCII values 1 to 31 or 127 to 255. It most likely is a LF (chr(10) ) or CR (chr(13)). use am asc(substr(text value,x,1)) to return the value of that character to find out what it is (or better yet, download a freeware hex viewer to view the raw file)

    Originally posted by Rich Hartnett View Post
    If it IS a carriage return, how could I break up that one long field into four individual fields, so that the street address, city, state and zip are separated? I don't see an option to use a carriage return when running an update operation to break a field into its parts.
    I'm sure I've answered this to you in the past, but basically use WORD(value,n,chr(13)) to return the nth word of the value separated by the separation character.

    Alpha 5 has a whole plethora of string manipulation functions that can be used in extracting and translating strings, both in expressions and code. It is worth anyone's time to get familiar with them. Key ones (off the top of my head) include;
    ASC(), CHR(), STR(),VAL(),WORD(), STRTRAN(), STRITRAN(), SUBSTR(), LEFT(), RIGHT(), LTRIM(), TRIM(), UT(), AT(), ATC(), WORDAT(), WORDATC(), W_COUNT(), LEN(), OCCURS(), OCCURSI(), RAT(), STUFF(), PADL(), PADR(), SORTSUBSTR(), *FOR_EACH(), ALLTRIM(), UPPER(), REMSPECIAL()

    IF() should probably also be included, although it is not a string function as such.

    I'd also add the REGEX functions, however these are difficult to use and learn, but well worth it if you can. I'll also add the special function *CONCAT(), as this allows concatonation to strings to be much faster for longer strings.

    All of the above are native ALPHA 5 functions, meaning they are written to run very fast (much faster than an equivalent written in XBasic). I'd say that probably 95% or more of my code uses these functions for string manipulation.

    Running a function counter program of mine on very typical code, return these relative usage counts, of which I am showing you just the lines of string related functions. TRANSFORM() is being used a bit too much here (although it is fast, not my 1st choice of usage), LINE_COUNT() is better served by W_COUNT() for speed.

    2028 functions, 231 unique functions
    154,WORD,C WORD(C character,N word_number[,C separator[,N num_words]])
    142,UT,C UT(C character)
    141,TRIM,C TRIM(C character)
    130,LTRIM,C LTRIM(C character[,C other_chars])
    107,STR,C STR(N number[,N length[,N decimal_places[,C number_format]]])
    96,IF,A IF(L condition,A result_true,A result_false)
    94,VAL,N VAL(C character)
    87,ALLTRIM,C ALLTRIM(C character)
    74,UPPER,C UPPER(C character)
    64,SUBSTR,C SUBSTR(C character,N starting_position[,N number_of_characters])
    52,AT,N AT(C search_string,C string[,N occurrence])
    51,CHR,C CHR(N ascii_value)
    39,LEFT,C LEFT(C text,N Number_of_characters)
    31,WORDAT,N WORDAT(C word,C string[,C separator])
    17,TRANSFORM,C TRANSFORM(A value,C formatting_string)
    12,RIGHT,C RIGHT(C,N number_of_characters)
    11,CDATE,C CDATE(D date)
    9,MOD,N MOD(N numerator,N denominator)
    7,REMSPECIAL,C REMSPECIAL(C)
    6,W_COUNT,N W_COUNT(C character[,C separator])
    5,STUFF,C STUFF(C character,N start_position,N number_of_characters,C insert_string)
    5,LINE_COUNT,N line_count(C text )
    5,LEN,N LEN(C character)
    5,BETWEEN,L BETWEEN(A expr_1,A expr_2,A expr_3)
    5,*FOR_EACH,C *FOR_EACH(A tag,A each,C list)
    4,PADL,C PADL(C,N length,C pad_string)
    4,ABS,N ABS(N number)
    3,REMOVE_BLANK_LINES,C remove_blank_lines(C text )
    3,OCCURS,N OCCURS(C substring,C character)
    2,*LINE_REMOVE,C *LINE_REMOVE(text as c,line as n[,nlines as n])
    1,WORD_SUBTRACT,C WORD_SUBTRACT(C Words,C Exclude_Words[,C Delimiter])


    These counts might give you a rough idea of what to study

    Leave a comment:


  • Rich Hartnett
    started a topic Break Field into Parts Problem

    Break Field into Parts Problem

    I have an email program that I want to export contacts from. The field for Home Address (or Work Address) is in a single memo field. Ex:

    123 Main Street
    Anywhere, VA 22705

    The program exports the contacts to a .csv file, but the address fields come out looking like this:

    123 Main Street|Anywhere, VA 22705

    I assume that symbol between the "Street" and "Anywhere" is a carriage return, because it is a little shorter than a pipe delimiter.

    If it IS a carriage return, how could I break up that one long field into four individual fields, so that the street address, city, state and zip are separated? I don't see an option to use a carriage return when running an update operation to break a field into its parts.
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