Now after all that I've decided not to write anything to the eMMC, fearing that I'll cause some hiccup with the writes. John johnbakeree.blogspot.com
On Wednesday, April 6, 2016 at 11:24:18 AM UTC-7, John Baker wrote: > > Gosh, how did I miss that, that the mode is a string. Well it had to be > something simple like that. Quoting the w and r fixed the problem. Very > embarrassing. > :-[ > Thanks, > John > > On 4/5/2016 7:21 PM, Dennis Lee Bieber wrote: > > On Tue, 5 Apr 2016 13:43:47 -0700 (PDT), John Baker > > <[email protected] <javascript:>> declaimed the > > following: > > > >> I want to store a little data on the eMMC from my Python code. My > program > >> is not getting errors when I try to write a very short data file but it > >> doesn't actually seem to write it as I cannot read it back. I am using > >> f = open('MyFile.txt', w) > >> > > First problem -- the mode is a string... > > > > f = open("MyFile.txt", "w") > > > >> or > >> f = open('/home/debian/Desktop/MyFile.txt', w) > >> > >> or > >> f = open('MyFile.txt', r) > >> > >> or > >> f = open('/home/debian/Desktop/MyFile.txt', r) > >> > >> to open the file and am not getting any errors but Python is not > finding > >> the file and I cannot find the file with a search from WinSCP. > >> > > Did you ever write anything to the file, and did you close the > file? > > > > f.write("Some junk\n") > > f.close() > > > > > > The first open should create the file in whatever your current > working > > directory is. Without connecting my BBB I can't confirm if the second is > a > > valid path. > > > > And last -- how are you running it? SSH to a command line? > > > > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
