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Annotation of 42BSD/ucb/ex/makeoptions, revision 1.1.1.1

1.1       root        1: #
                      2: # remake options -- this isn't necessary unless you add/delete options
                      3: #
                      4: onintr ifintr
                      5: cp ex_data.c /tmp/$$.c
                      6: ex - /tmp/$$.c <<'%'
                      7:        g/^#include/d
                      8:        w
                      9:        q
                     10: '%'
                     11: cc -E $* /tmp/$$.c >/tmp/foo.c
                     12: ex - /tmp/foo.c <<'X'
                     13:        " delete all preprocessor output (# line, etc)
                     14:        g/^# /d
                     15:        set sh=/bin/csh
                     16:        " delete junk (all but data lines)
                     17:        g/^[    ]*$/d
                     18:        1,/option options/d
                     19:        /}/-1,$d
                     20:        " get rid of all of line but option name
                     21:        1,$s/   "//
                     22:        1,$s/".*//
                     23:        1m$     " kludge since options start at 0 but num at 1
                     24:        %!num
                     25:        $t0     " unkludge
                     26:        1s/......../     0  /   " unkludge
                     27:        " make #define lines
                     28:        1,$s/\(......\)\(.*\)/#define   \U\2\L  \1/
                     29:        " get rid of extra blanks, turning into (single) tabs.
                     30:        1,$s/    */     /g
                     31:        g/  */s//       /g
                     32:        " filter through expand to make it line up nice
                     33:        %!expand -8\,24
                     34:        " blank line and number of options.
                     35:        $i
                     36: 
                     37: .
                     38:        $s/e[   ].*[    ]/e     NOPTS   /
                     39:        0a
                     40:        /*  sccs id   @(#)  ex_vars.h  @(#)makeoptions  6.1 10/19/80  */
                     41: .
                     42:        w! ex_vars.h
                     43:        q
                     44: 'X'
                     45: ifintr:
                     46: rm /tmp/foo.c

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