Text (uni)coding issue

Mike Kerner MikeKerner at roadrunner.com
Sat Aug 26 08:50:36 EDT 2017


Any reason why you're using binfile instead of file if the text isn't
encoded?


On Sat, Aug 26, 2017 at 8:34 AM, Andrew Bell via use-livecode <
use-livecode at lists.runrev.com> wrote:

> I have a database on a LiveCode server that I use to track user
> interactions in a LiveCode app. It has gotten too big to query in LiveCode
> without timeout errors (the JSON gets mangled because there are now several
> thousand records), so I'm trying to generate a text file on the server and
> download that instead.
>
> I can get the text file to generate on the server, but when I try to
> download it to my LiveCode app (to eventually save on the end-users
> computer) the text is in some weird format. I assumed this was some wierd
> unicode issue and tried to textDecode it, but can't seem to figure out what
> format it actually is so that just gives me text in a different weird
> format ("UTF-8", "UTF-16", and "MacRoman" don't seem to work).
>
> My code on the LiveCode Server seems straight forward:
>   put "SELECT * FROM promosRedeemed" into tSql
>   put revDataFromQuery(TAB, "|", sDbId, tSql) into tRedemptions
>   set linedelimiter to "|"
>   set itemdelimiter to tab
>   replace RETURN with " -=- " in tRedemptions // ACCOUNTS FOR LINE BREAKS
> IN DATA
>   replace "|" with RETURN in tRedemptions
>   put "redemption-log_" & the seconds & ".txt" into tFileName
>   open file specialFolderPath("home") & "/public_html/server/apps/iot/logs/"
> & tFileName for write
>   write tRedemptions to file specialFolderPath("home") &
> "/public_html/server/apps/iot/logs/" & tFileName
>   close file specialFolderPath("home") & "/public_html/server/apps/iot/logs/"
> & tFileName
>
>
> The first line of the text file when viewed in a web browser or text file
> downloaded directly (outside of LC) is plain text and looks as expected:
> 294     Wednesday, July 13, 2016 8:36   15      3       MacOS 10.11.5 -=-
> MacBookPro11,3 -=- 0,0,1920,1200 -=-  39.892219,-85.974632
>
> But when I fetch that URL in LiveCode using...
>  put url (tURLtoDownload) into tFullRedemptionList
>  put tFullRedemptionList into url ("binfile:Full-IOT_TSM_Redempt
> ionList.xls")
>
> ...the first line (and all other lines basically) looks like this:
> ã        ‰Ω◊rÎ:∂(˙Ï˝ <un›ó≥<7rp≠ªÎ:Áú˝‚bîsí ø˛ $@B H[≤<Â∂ª´´zyA   ¿»
> L∞ˇF¸ø! ÿ D¡÷˙ ï x‚¸Óψ&˝G˛¡ ‡   ∏dXí ÇIAˇ ц† Í?ˇ ’Ø°¸o  õÄr NÄâ¸Ôh M
> ıôı0fi‹˝ Ç? ˛!≈ø¬   Áˇ ê +è7Å˛e ≈ ïSP ˇ ®ˇ‘˝êx~(ß Pø5?Ñ–ˇKÍ˝%eS ô_ ˇ ŸƒnÿQ?
> Œ — bSHò  ˇ π˜á N·w6)¸?T iÛ •ˇá≤¢NÕ !–g(Ù
> Ä˙ ‘
> ®[      ùïàÎïu á»YäÅ^ZCbà›ïX؃5+IπR*ä ”Î ≤f%uW
>
>
> I know I've done similar tasks before (pretty sure this is code I borrowed
> from other projects I've done) but can't figure out why this text is so
> garbled. Tried in 9.0.0dp7 and 8.1.6 with the same result. Any ideas what
> I'm doing wrong?
>
> --Andrew Bell
>
>
>
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