that command does not write to /mnt/flash but to WriteFile
as your app gets started by a process run by init, the PWD will not be set. so use an absolute path and the problem will dissapear into thin air Quoting cchechio <[EMAIL PROTECTED]>: >> Where are you writing the log file? > > i write at /mnt/flash/ > >> and how do you write it? > > #define WriteFile "log.txt" > > double number; > number = 187; > > FILE *fd; > fd=fopen(WriteFile ,"w"); > fprintf(fd,"%g \n",number); > fclose(fd); > >> You need to check if the filesystem for the partition where are > you writing is already mounted. > > how ? > > many thanks > >
