Re: [Tutor] File extension against File content

2019-05-31 Thread Alan Gauld via Tutor
On 31/05/2019 11:03, Sunil Tech wrote: > Hi Tutor, > > Is there any way that I can actually programmatically compare the file > extension with its content? For images the standard library offers imghdr I'm not sure how reliable or accurate it is but it claims to identify a dozen or so of the mos

Re: [Tutor] File extension against File content

2019-05-31 Thread Cameron Simpson
On 31May2019 12:38, ingo wrote: Many file formats have "magic bytes" that you can use for that purpose. https://en.wikipedia.org/wiki/List_of_file_signatures Also, UNIX systems ship with a command called "file" which inspects a file's leading data for such magic numbers to identify their cont

Re: [Tutor] File extension against File content

2019-05-31 Thread ingo
Many file formats have "magic bytes" that you can use for that purpose. https://en.wikipedia.org/wiki/List_of_file_signatures Ingo On 31-5-2019 12:03, Sunil Tech wrote: > Hi Tutor, > > Is there any way that I can actually programmatically compare the file > extension with its content? > > This

[Tutor] File extension against File content

2019-05-31 Thread Sunil Tech
Hi Tutor, Is there any way that I can actually programmatically compare the file extension with its content? This is because we can manually save the file in one extension and later rename the file extension to some other. Thanks - Sunil. G ___ Tutor m