text: $!
  $! Check operation of "bc".
  $!
  $! 2010-04-05 SMS.  New.  Based (loosely) on "bctest".
  $!
  $!
  $ tmp_file_name = "tmp.bctest"
  $ failure = ""
  $!
  $! Basic command test.
  $!
  $ on warning then goto bc_fail
  $ bc
  $ on error then exit
  $!
  $! Test for SunOS 5.[78] bc bug.
  $!
  $ if (failure .eqs. "")
  $ then
  $!
  $     define /user_mode sys$output 'tmp_file_name'
  $     bc
  obase=16
  ibase=16
  a=AD88C418F31B3FC712D0425001D522B3AE9134FF3A98C13C1FCC1682211195406C1A6C66C6A\
  CEEC1A0EC16950233F77F1C2F2363D56DD71A36C57E0B2511FC4BA8F22D261FE2E9356D99AF57\
  10F3817C0E05BF79C423C3F66FDF321BE8D3F18F625D91B670931C1EF25F28E489BDA1C5422D1\
  C3F6F7A1AD21585746ECC4F10A14A778AF56F08898E965E9909E965E0CB6F85B514150C644759\
  3BE731877B16EA07B552088FF2EA728AC5E0FF3A23EB939304519AB8B60F2C33D6BA0945B66F0\
  4FC3CADF855448B24A9D7640BCF473E
  b=DCE91E7D120B983EA9A104B5A96D634DD644C37657B1C7860B45E6838999B3DCE5A555583C6\
  9209E41F413422954175A06E67FFEF6746DD652F0F48AEFECC3D8CAC13523BDAAD3F5AF4212BD\
  8B3CD64126E1A82E190228020C05B91C8B141F1110086FC2A4C6ED631EBA129D04BB9A19FC53D\
  3ED0E2017D60A68775B75481449
  (a/b)*b + (a%b) - a
  $     status = $status
  $     output_expected = "0"
  $     gosub check_output
  $     if (output .ne. 1)
  $     then
  $         failure = "SunOStest"
  $     else
  $         delete 'f$parse( tmp_file_name)'
  $     endif
  $ endif
  $!
  $! Test for SCO bc bug.
  $!
  $ if (failure .eqs. "")
  $ then
  $!
  $     define /user_mode sys$output 'tmp_file_name'
  $     bc
  obase=16
  ibase=16
  -FFDD63BA1A4648F0D804F8A1C66C53F0D2110590E8A3907EC73B4AEC6F15AC177F176F2274D2\
  9DC8022EA0D7DD3ABE9746D2D46DD3EA5B5F6F69DF12877E0AC5E7F5ADFACEE54573F5D256A06\
  11B5D2BC24947724E22AE4EC3FB0C39D9B4694A01AFE5E43B4D99FB9812A0E4A5773D8B254117\
  1239157EC6E3D8D50199 * -FFDD63BA1A4648F0D804F8A1C66C53F0D2110590E8A3907EC73B4\
  AEC6F15AC177F176F2274D29DC8022EA0D7DD3ABE9746D2D46DD3EA5B5F6F69DF12877E0AC5E7\
  F5ADFACEE54573F5D256A0611B5D2BC24947724E22AE4EC3FB0C39D9B4694A01AFE5E43B4D99F\
  B9812A0E4A5773D8B2541171239157EC6E3D8D50199 - FFBACC221682DA464B6D7F123482522\
  02EDAEDCA38C3B69E9B7BBCD6165A9CD8716C4903417F23C09A85B851961F92C217258CEEB866\
  85EFCC5DD131853A02C07A873B8E2AF2E40C6D5ED598CD0E8F35AD49F3C3A17FDB7653E4E2DC4\
  A8D23CC34686EE4AD01F7407A7CD74429AC6D36DBF0CB6A3E302D0E5BDFCD048A3B90C1BE5AA8\
  E16C3D5884F9136B43FF7BB443764153D4AEC176C681B078F4CC53D6EB6AB76285537DDEE7C18\
  8C72441B52EDBDDBC77E02D34E513F2AABF92F44109CAFE8242BD0ECBAC5604A94B02EA44D43C\
  04E9476E6FBC48043916BFA1485C6093603600273C9C33F13114D78064AE42F3DC466C7DA543D\
  89C8D71
  AD534AFBED2FA39EE9F40E20FCF9E2C861024DB98DDCBA1CD118C49CA55EEBC20D6BA51B2271C\
  928B693D6A73F67FEB1B4571448588B46194617D25D910C6A9A130CC963155CF34079CB218A44\
  8A1F57E276D92A33386DDCA3D241DB78C8974ABD71DD05B0FA555709C9910D745185E6FE108E3\
  37F1907D0C56F8BFBF52B9704 % -E557905B56B13441574CAFCE2BD257A750B1A8B2C88D0E36\
  E18EF7C38DAC80D3948E17ED63AFF3B3467866E3B89D09A81B3D16B52F6A3C7134D3C6F5123E9\
  F617E3145BBFBE9AFD0D6E437EA4FF6F04BC67C4F1458B4F0F47B64 - 1C2BBBB19B74E86FD32\
  9E8DB6A8C3B1B9986D57ED5419C2E855F7D5469E35E76334BB42F4C43E3F3A31B9697C171DAC4\
  D97935A7E1A14AD209D6CF811F55C6DB83AA9E6DFECFCD6669DED7171EE22A40C6181615CAF3F\
  5296964
  $     status = $status
  $     output_expected = "0\0"
  $     gosub check_output
  $     if (output .ne. 1)
  $     then
  $         failure = "SCOtest"
  $     else
  $         delete 'f$parse( tmp_file_name)'
  $     endif
  $ endif
  $!
  $! Test for working 'print' command.
  $!
  $ if (failure .eqs. "")
  $ then
  $!
  $     define /user_mode sys$output 'tmp_file_name'
  $     bc
  print "OK"
  $     status = $status
  $     output_expected = "OK"
  $     gosub check_output
  $     if (output .ne. 1)
  $     then
  $         failure = "printtest"
  $     else
  $         delete 'f$parse( tmp_file_name)'
  $     endif
  $ endif
  $!
  $ if (failure .nes. "")
  $ then
  $     write sys$output -
         "No working bc found.  Consider installing GNU bc."
  $     exit %X00030000 ! %DCL-W-NORMAL
  $ endif
  $!
  $ exit
  $!
  $!
  $! Complete "bc" command failure.
  $!
  $ bc_fail:
  $ write sys$output -
     "No ""bc"" program/symbol found.  Consider installing GNU bc."
  $ exit %X00030000 ! %DCL-W-NORMAL
  $!
  $!
  $! Output check subroutine.
  $!
  $ check_output:
  $     eof = 0
  $     line_nr = 0
  $     open /read tmp_file 'tmp_file_name'
  $     c_o_loop:
  $         read /error = error_read tmp_file line
  $         goto ok_read
  $         error_read:
  $         eof = 1
  $         ok_read:
  $         line_expected = f$element( line_nr, "\", output_expected)
  $         line_nr = line_nr+ 1
  $     if ((line_expected .nes. "\") .and. (.not. eof) .and. -
         (line_expected .eqs. line)) then goto c_o_loop
  $!
  $     if ((line_expected .eqs. "\") .and. eof)
  $     then
  $         output = 1
  $     else
  $         output = 0
  $     endif
  $     close tmp_file
  $ return
  $!
  