X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=zgrep.1;h=acc319505ccfc56663f488d245610321faf21e22;hb=12d9031f379c74c6061238b29fd3030afdaa9f5c;hp=a52a88abcf802802bc4d1729bdba60c776e4af3b;hpb=302189d124ed5849c2589ea92e912eb24fdc4ab3;p=debian%2Fgzip diff --git a/zgrep.1 b/zgrep.1 index a52a88a..acc3195 100644 --- a/zgrep.1 +++ b/zgrep.1 @@ -7,38 +7,31 @@ zgrep \- search possibly compressed files for a regular expression .BI [\ -e\ ] " pattern" .IR filename ".\|.\|." .SH DESCRIPTION -.IR Zgrep -is used to invoke the +.I Zgrep +invokes .I grep -on compress'ed or gzip'ed files. All options specified are passed directly to -.I grep. +on compressed or gzipped files. +These +.I grep +options will cause +.I zgrep +to terminate with an error code: +.BI (-[drRzZ] | --di* | --exc* | --inc* | --rec* | --nu*) . +All other options specified are passed directly to +.IR grep . If no file is specified, then the standard input is decompressed if necessary and fed to grep. Otherwise the given files are uncompressed if necessary and fed to -.I grep. +.IR grep . .PP -If -.I zgrep -is invoked as -.I zegrep -or -.I zfgrep -then -.I egrep -or -.I fgrep -is used instead of -.I grep. If the GREP environment variable is set, .I zgrep uses it as the .I grep -program to be invoked. For example: - - for sh: GREP=fgrep zgrep string files - for csh: (setenv GREP fgrep; zgrep string files) +program to be invoked. +.SH EXIT CODE +2 - An option that is not supported was specified. .SH AUTHOR Charles Levert (charles@comm.polymtl.ca) .SH "SEE ALSO" -grep(1), egrep(1), fgrep(1), zdiff(1), zmore(1), znew(1), zforce(1), -gzip(1), gzexe(1) +grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)