I was helping two different folks today with questions about their CF11 and CF2016 installers (because in both cases, there were different installers over time, even for the same version and OS and bit-level), and it's what prompted me to share that info above with them, and now to create this post.įor instance, did you know that with CF2016, there have been 3 installers? Why this can be helpful, especially with CF installersīut this can be especially helpful with ColdFusion installers, for a number of reasons. (Of course, if you had both files you could do a compare, but this is typically still faster.) The file the other person has may have the same name (and could even have the same date and file size) and yet NOT be identical. I leave that as an exercise for the interested reader.)Īnother reason knowing how to easily get the checksum can be when you are wondering if an installer you have is the same one that someone else says they have or used (see below for a real example of such confusion). (Such tools exist for other OS's, of course. It's been my observation that most folks never bother, but at least now if you want to (but didn't know how, on Windows), you can. You may have noticed that web sites often will offer the checksum value of a file you're about to download, with the intent that you could check that after downloading it-to make sure you got the file they intended you to get. (It's basically a hashing of the file contents into a small string that can be used to determine whether a given file shares the checksum with another file.) There are at least a couple of uses of knowing/finding the MD5 or SHA-1 checksum for a file. Regardless of what OS you use, for more on why knowing the checksum can be useful (and why comparing file sizes instead may not be enough), and especially with regard to some interesting info about installers for CF2016 and CF11, do read on. Tools like it are included in other OS's, but I'm sharing the above for Windows users. The tool is built into Windows 7 and above, and Server 2008 and above (at least).
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