crc32 is a small c app to compute 32bit CRC's of files.
see Makefile
# crc32 -h
crc32 v.0.1 by elektron
crc32 [-h] file1 [fileN...]
# crc32 *.c
crc32-v.0.1.c 0x46C7C3AF
crc32-v.0.c 0x6F40E77A
crc32.c 0x46C7C3AF
# crc32 *.avi
[IY-F]_InuYasha_154_(XviD_RC4)_[0FC364DE].avi 0x0FC364DE
[IY-F]_InuYasha_155_(XviD_RC4)_[11E42F68].avi 0x11E42F68
[IY-F]_InuYasha_156_(XviD_RC4)_[2665F500].avi 0x2665F500
[IY-F]_InuYasha_157_(XviD_RC4)_[6D14D1C1].avi 0x6D14D1C1
This is a hack from someone elses code. See the following thread for more info : http://www.linuxquestions.org/questions/showthread.php?s=&forumid=1&threadid=199640.