test/bctest

   1 #!/bin/sh
   2
   3 if [ 0 != "`bc <<\EOF
   4 obase=16
   5 ibase=16
   6 a=AD88C418F31B3FC712D0425001D522B3AE9134FF3A98C13C1FCC1682211195406C1A6C66C6A\
   7 CEEC1A0EC16950233F77F1C2F2363D56DD71A36C57E0B2511FC4BA8F22D261FE2E9356D99AF57\
   8 10F3817C0E05BF79C423C3F66FDF321BE8D3F18F625D91B670931C1EF25F28E489BDA1C5422D1\
   9 C3F6F7A1AD21585746ECC4F10A14A778AF56F08898E965E9909E965E0CB6F85B514150C644759\
  10 3BE731877B16EA07B552088FF2EA728AC5E0FF3A23EB939304519AB8B60F2C33D6BA0945B66F0\
  11 4FC3CADF855448B24A9D7640BCF473E
  12 b=DCE91E7D120B983EA9A104B5A96D634DD644C37657B1C7860B45E6838999B3DCE5A555583C6\
  13 9209E41F413422954175A06E67FFEF6746DD652F0F48AEFECC3D8CAC13523BDAAD3F5AF4212BD\
  14 8B3CD64126E1A82E190228020C05B91C8B141F1110086FC2A4C6ED631EBA129D04BB9A19FC53D\
  15 3ED0E2017D60A68775B75481449
  16 (a/b)*b + (a%b) - a
  17 EOF`" ]
  18 then
  19   echo "bc does not work.  Consider installing GNU bc." >&2
  20   exit 1
  21 else
  22   exit 0
  23 fi