[Info-vax] Radical command line suggestion

hb end.of at inter.net
Fri Mar 20 17:49:02 EDT 2015


On 03/20/2015 12:47 PM, Stephen Hoffman wrote:
>                                            ...   With man, a user can
> easily search for keywords and can page around as needed, and that can
> make finding and reading the necessary documentation easier.

The navigation is more or less "less" or "more":

$ man man
...
Controlling formatted output
   -P pager, --pager=pager
     Specify  which  output pager to use.  By default, man uses pager
     -s.  This option overrides the $MANPAGER  environment  variable,
     which  in turn overrides the $PAGER environment variable.  ...
^Z
[5]+  Stopped                 man man
$ ps ax
...
  5123 pts/0    T      0:00 man man
  5135 pts/0    T      0:00 pager -s
  5148 pts/0    R+     0:00 ps ax
$
$ which pager
/usr/bin/pager
$ file /usr/bin/pager
/usr/bin/pager: symbolic link to `/etc/alternatives/pager'
$ file /etc/alternatives/pager
/etc/alternatives/pager: symbolic link to `/bin/less'
$

Maybe one should compare "man topic" with "PIPE HELP/NOPAGE topic * 
|TYPE/PAGE=SAVE SYS$PIPE". Navigation in "TYPE" isn't great and with 
pipes it is even more limited.

But almost all (decent/or recent?) VMS editors have the ability to 
redirect DCL command output into a buffer. That's probably the best you 
can do to get useful navigation for HELP.



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