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-rw-r--r--doc/zgrep.120
1 files changed, 11 insertions, 9 deletions
diff --git a/doc/zgrep.1 b/doc/zgrep.1
index 2418ef2..545aea2 100644
--- a/doc/zgrep.1
+++ b/doc/zgrep.1
@@ -1,29 +1,31 @@
.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.46.1.
-.TH ZGREP "1" "January 2019" "zgrep (zutils) 1.8" "User Commands"
+.TH ZGREP "1" "June 2020" "zgrep (zutils) 1.9" "User Commands"
.SH NAME
zgrep \- search compressed files for a regular expression
.SH SYNOPSIS
.B zgrep
[\fI\,options\/\fR] \fI\,<pattern> \/\fR[\fI\,files\/\fR]
.SH DESCRIPTION
-Zgrep is a front end to the grep program that allows transparent search
-on any combination of compressed and uncompressed files. If any given
-file is compressed, its decompressed content is used. If a given file
+zgrep is a front end to the program grep that allows transparent search
+on any combination of compressed and uncompressed files. If any file
+given is compressed, its decompressed content is used. If a file given
does not exist, and its name does not end with one of the known
extensions, zgrep tries the compressed file names corresponding to the
-formats supported.
+formats supported. If a file fails to decompress, zgrep continues
+searching the rest of the files.
.PP
If a file is specified as '\-', data are read from standard input,
decompressed if needed, and fed to grep. Data read from standard input
must be of the same type; all uncompressed or all in the same
-compression format.
+compressed format.
.PP
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.
+The formats supported are bzip2, gzip, lzip, and xz.
.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.
.SH OPTIONS
.TP
\fB\-\-help\fR
@@ -99,7 +101,7 @@ 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 given format (bz2, gz, lz, xz)
+force the format given (bz2, gz, lz, xz)
.TP
\fB\-q\fR, \fB\-\-quiet\fR
suppress all messages
@@ -144,7 +146,7 @@ Report bugs to zutils\-bug@nongnu.org
.br
Zutils home page: http://www.nongnu.org/zutils/zutils.html
.SH COPYRIGHT
-Copyright \(co 2019 Antonio Diaz Diaz.
+Copyright \(co 2020 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.