A developer utility by Peter Hosey


Ever wonder what Gestalt returns on your system for various selectors? Now you have an easy way to find out.

Selector: 'cput'. Result: 'i586'.
Getting a FourCharCode for the CPU-type selector.

Selector: 'sysv'. Result: 0x1048 (10.4.8).
Getting binary-coded decimal for the system-version selector.

Selector: 'ft__'. Result: Bits 17, 16, 15, 14, 12, 9, 8, 5, 4, and 1.
Getting a series of bit indices for the file-system-attributes selector.

Selector: 'ramm'. Result: Decimal number 1024.
Getting a decimally-represented number for the number-of-megabytes-of-RAM selector.


The application, on a zlib-compressed UDIF disk image.
128-bit FNV1 hash: e743286df5e7f03192c0aabed6625f9c
MD5 hash: f43273be2687f8904fa6a779ccb0aa1f
SHA-1 hash: eaf355c803bd5e66b429dfd31286306f65b88f1c
Detached PGP (GPG) signature of GestaltPeeker-1.0.dmg using public key ID 328A4FCC.
128-bit FNV1 hash: a30300af866466d3f7b5f17bd0141179
MD5 hash: adb089b3d04a1b81a1c8cb8c8bd1f13e
SHA-1 hash: 1c5b875a19f1fe70ddc2228b6a0d2cc86c1e9979
Objective-C source code and an Xcode 2.4 project, in a bzip2ed tarball.
128-bit FNV1 hash: a8dac1b3950322e11231ca1a4138be48
MD5 hash: 267c607fda5c28a6c2868e9d06bca025
SHA-1 hash: 3a064748384a43379d8c2e0028b97f825cc44652
Detached PGP (GPG) signature of GestaltPeeker-1.0-source.tbz using public key ID 328A4FCC.
128-bit FNV1 hash: be891f0485a3def62b0520872045b3fc
MD5 hash: 4a9fe7c4d77f0452aef447c7e95c197e
SHA-1 hash: 680542c2623600995af58d291f1636782bd11558

MD5 and SHA1 signatures were created using the md5sum(1) and sha1sum(1) utilities from GNU coreutils.

Version history


Valid XHTML 1.0! Valid CSS!