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zless




SYNOPSIS

       zmore [ name ...  ]


DESCRIPTION

       Zmore is a filter which allows examination  of  compressed
       or plain text files one screenful at a time on a soft-copy
       terminal.  zmore works on files compressed with  compress,
       pack  or  gzip, and also on uncompressed files.  If a file
       does not exist, zmore looks for a file of  the  same  name
       with the addition of a .gz, .z or .Z suffix.

       Zmore  normally  pauses  after  each  screenful,  printing
       --More-- at the bottom of the screen.  If  the  user  then
       types  a  carriage return, one more line is displayed.  If
       the user hits a space,  another  screenful  is  displayed.
       Other possibilities are enumerated later.

       Zmore looks in the file /etc/termcap to determine terminal
       characteristics, and to determine the default window size.
       On  a terminal capable of displaying 24 lines, the default
       window size is 22 lines.  To use a pager  other  than  the
       default  more,  set environment variable PAGER to the name
       of the desired program, such as less.

       Other sequences which may be typed when zmore pauses,  and
       their  effects,  are  as follows (i is an optional integer
       argument, defaulting to 1) :

       i<space>
              display i more lines, (or another screenful  if  no
              argument is given)

       ^D     display  11  more  lines  (a  ``scroll'').  If i is
              given, then the scroll size is set to i.

       d      same as ^D (control-D)

       iz     same as typing a space except that i,  if  present,
              becomes  the new window size.  Note that the window
              size reverts back to the default at the end of  the
              current file.

       is     skip i lines and print a screenful of lines

       if     skip i screenfuls and print a screenful of lines

       =      Display the current line number.

       i/expr search  for  the  i-th  occurrence  of  the regular
              expression expr.  If  the  pattern  is  not  found,
              zmore  goes  on  to the next file (if any).  Other­
              wise, a screenful is displayed, starting two  lines
              before  the  place  where the expression was found.
              The user's erase and kill characters may be used to
              edit the regular expression.  Erasing back past the
              first column cancels the search command.

       in     search for the i-th occurrence of the last  regular
              expression entered.

       !command
              invoke  a shell with command.  The character `!' in
              "command" is replaced with the previous shell  com­
              mand.  The sequence "\!" is replaced by "!".

       :q or :Q
              quit  reading  the  current file; go on to the next
              (if any) (same as q or Q).

       .      (dot) repeat the previous command.

       The commands take effect immediately, i.e., it is not nec­
       essary to type a carriage return.  Up to the time when the
       command character itself is given, the user  may  hit  the
       line kill character to cancel the numerical argument being
       formed.  In addition, the user may hit the erase character
       to redisplay the --More-- message.

       At any time when output is being sent to the terminal, the
       user can hit the quit  key  (normally  control-\).   Zmore
       will  stop  sending  output,  and  will  display the usual
       --More-- prompt.  The user may then enter one of the above
       commands in the normal manner.  Unfortunately, some output
       is lost when this is done, due to the fact that any  char­
       acters  waiting in the terminal's output queue are flushed
       when the quit signal occurs.

       The terminal is set to noecho mode by this program so that
       the output can be continuous.  What you type will thus not
       show on your terminal, except for the / and !  commands.

       If the standard output is not a teletype, then zmore  acts

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