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-rw-r--r--doc/zgrep.129
1 files changed, 23 insertions, 6 deletions
diff --git a/doc/zgrep.1 b/doc/zgrep.1
index 69ed0cd..f3177bb 100644
--- a/doc/zgrep.1
+++ b/doc/zgrep.1
@@ -1,5 +1,5 @@
.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.47.16.
-.TH ZGREP "1" "January 2021" "zutils 1.10" "User Commands"
+.TH ZGREP "1" "January 2022" "zutils 1.11" "User Commands"
.SH NAME
zgrep \- search compressed files for a regular expression
.SH SYNOPSIS
@@ -22,7 +22,9 @@ compressed format.
If no files are specified, recursive searches examine the current
working directory, and nonrecursive searches read standard input.
.PP
-The formats supported are bzip2, gzip, lzip, and xz.
+\&'zgrep \fB\-\-verbose\fR \fB\-V\fR' prints the version of the grep program used.
+.PP
+The formats supported are bzip2, gzip, lzip, xz, and zstd.
.PP
Exit status is 0 if match, 1 if no match, 2 if trouble.
Some options only work if the grep program used supports them.
@@ -68,10 +70,10 @@ obtain patterns from <file>
<pattern> is a set of newline\-separated strings
.TP
\fB\-h\fR, \fB\-\-no\-filename\fR
-suppress the prefixing filename on output
+suppress the prefixing file name on output
.TP
\fB\-H\fR, \fB\-\-with\-filename\fR
-print the filename for each match
+print the file name for each match
.TP
\fB\-i\fR, \fB\-\-ignore\-case\fR
ignore case distinctions
@@ -101,7 +103,7 @@ don't read runtime configuration file
show only the part of a line matching <pattern>
.TP
\fB\-O\fR, \fB\-\-force\-format=\fR<fmt>
-force the format given (bz2, gz, lz, xz)
+force the format given (bz2, gz, lz, xz, zst)
.TP
\fB\-q\fR, \fB\-\-quiet\fR
suppress all messages
@@ -138,6 +140,9 @@ set compressor and options for lzip format
.TP
\fB\-\-xz=\fR<command>
set compressor and options for xz format
+.TP
+\fB\-\-zst=\fR<command>
+set compressor and options for zstd format
.PP
Numbers may be followed by a multiplier: k = kB = 10^3 = 1000,
Ki = KiB = 2^10 = 1024, M = 10^6, Mi = 2^20, G = 10^9, Gi = 2^30, etc...
@@ -146,8 +151,20 @@ Report bugs to zutils\-bug@nongnu.org
.br
Zutils home page: http://www.nongnu.org/zutils/zutils.html
.SH COPYRIGHT
-Copyright \(co 2021 Antonio Diaz Diaz.
+Copyright \(co 2022 Antonio Diaz Diaz.
License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl.html>
.br
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
+.SH "SEE ALSO"
+The full documentation for
+.B zgrep
+is maintained as a Texinfo manual. If the
+.B info
+and
+.B zgrep
+programs are properly installed at your site, the command
+.IP
+.B info zutils
+.PP
+should give you access to the complete manual.