Trailing-Edge
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PDP-10 Archives
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tops20tools_v6_9-jan-86_dumper
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tools/dumperc/dumper.doc
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VMS Dumper Tape Reader
Written by: Pieter Bowman
Salt Lake City, Utah
Usage:
$ DUMPER tape {vmslogfilespec} {-a} {"-s*filename*"} {-p} {-rvmsfilespec}
-a = restore all files reguardless, 36 -> 7 bit
-s = select files to restore
-p = print filenames from tape to log file (default log filespec is terminal)
-r = restore files & partial filename for restore
Note1: no spaces allowed between -s or -r switchs and their filespecs
Note2: Switches must be lower case
Note3: Tape file specifications are case sensitive.
Example:
$ dumper :== $SYS$SYSTEM:DUMPER.EXE ! Setup symbol on VAX
$ mount mfa0: /for /block=2590 /record=2590 ! Mount the Dumper tape
$ dumper mfa0: tapelog.txt -p ! Get the tape's
! directory structure
! You should look at TAPELOG.TXT and then create subdirectories
! like the Dumper tape's directory structure.
$ assign __DRB0:[bowman.] disk ! Define "disk"
! You could...
$ dumper mfa0: -a -p -rdisk:[dir] ! Restore entire tape
! Or you could...
$ dumper mfa0: -a -p "-s*<CPM>DU.*" -rDISK:DU.* ! Restore selected files:
! <CPM>DU.* on MFA0: to
! __DRB0:[BOWMAN.CPM]DU.*
Selected source code comments:
* machines. DUMPER is a DEC-10/20 tape reader/writer used for
* backing up files and exchanging tapes with other 10/20 sites.
* This version was written on a VAX-11/780 in Dec C and MACRO-32.
* The following files are needed:
* DUMPER.C (this file, main dumper source)
* WILD.C (wild string compare function)
* PARSE.MAR (makes a usable file name for the Vax)
*
* Example run:
* $ DUMPER :== $disk:[dir]DUMPER.EXE ! Setup symbol on VAX
* $ mount mfa0: /foriegn/blocksize=2590/record=2590
* $ dumper mfa0: -p -rdisk:[dir] ! Restore whole tape
*
* Written by:
* Pieter Bowman
* Salt Lake City, Utah
*/
/*
* Take a 20ish filename and make it a Vaxish filename. First copy the
* structure verbatim (useless). Next copy the first 9 characters of the
* directory name; alpha-numeric plus periods. If a period is encountered
* end of first directory name and can have another 9 chars. Then copy the
* first 9 chars. of the file name; alpha-numeric only (ie. no quoted (^V)
* characters). Copy the first 3 characters of the file extension (type);
* "alnum". Lastly copy the generation number; can be as high as 262143.
*/