bzmore(1)
NAME
bzmore, bzless - file perusal filter for crt viewing of bzip2 compressed text
SYNOPSIS
bzmore [ name ... ] bzless [ name ... ]
NOTE
In the following description, bzless and less can be used interchangeably with bzmore and more.
DESCRIPTION
Bzmore is a filter which allows examination of compressed or plain text
files one screenful at a time on a soft-copy terminal. bzmore works on
files compressed with bzip2 and also on uncompressed files. If a file
does not exist, bzmore looks for a file of the same name with the
addition of a .bz2 suffix.
Bzmore 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.
Bzmore 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. Other sequences which may be typed when bzmore 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
q or Q quit reading the current file; go on to the next (if any)
e or q When the prompt --More--(Next file: file) is printed, this
command causes bzmore to exit.
s When the prompt --More--(Next file: file) is printed, this
command causes bzmore to skip the next file and continue.
= Display the current line number.
i/expr search for the i-th occurrence of the regular expression expr.
If the pattern is not found, bzmore goes on to the next file (if
any). Otherwise, 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" are
replaced with the previous shell command. 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 necessary 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-\). Bzmore 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 characters
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 bzmore acts just like
bzcat, except that a header is printed before each file.
FILES
/etc/termcap Terminal data base
SEE ALSO
more(1), less(1), bzip2(1), bzdiff(1), bzgrep(1) BZMORE(1)
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