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-rw-r--r--doc/zgrep.17
1 files changed, 5 insertions, 2 deletions
diff --git a/doc/zgrep.1 b/doc/zgrep.1
index bbe311c..79acdf2 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" "April 2022" "zutils 1.12-pre2" "User Commands"
+.TH ZGREP "1" "December 2022" "zutils 1.12-rc1" "User Commands"
.SH NAME
zgrep \- search compressed files for a regular expression
.SH SYNOPSIS
@@ -112,7 +112,7 @@ 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, zst)
+force the input format
.TP
\fB\-P\fR, \fB\-\-perl\-regexp\fR
<pattern> is a Perl regular expression
@@ -165,6 +165,9 @@ set compressor and options for xz format
\fB\-\-zst=\fR<command>
set compressor and options for zstd format
.PP
+Valid formats for options '\-M' and '\-O' are 'bz2', 'gz', 'lz', 'xz', 'zst',
+and 'un' for uncompressed.
+.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...
.SH "REPORTING BUGS"