04-27-2010
I don't know, this is a chapter on grep, so everything has to be done with grep. we are getting to awk and sid in the next chapter. But remember, I don't need the lines with 6 figures, I need the lines above the lines with 6 figures. It's just that one of the lines above a line with 6 figures also has six figures, so in order to get only the lines above the lines with 6 figures, I can't just erase all the lines with 6 figures. There needs to be a way to print only the lines above the lines with 6 figures, and not the lines with 6 figures themselves (with the exception of the line with 6 figures above the other line with 6 figures).
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ZGREP(1) General Commands Manual ZGREP(1)
NAME
zgrep - search possibly compressed files for a regular expression
SYNOPSIS
zgrep [ grep_options ] [ -e ] pattern filename...
DESCRIPTION
Zgrep invokes grep on compressed or gzipped files. These grep options will cause zgrep to terminate with an error code:
(-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*). All other options specified are passed directly to 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 grep.
If the GREP environment variable is set, zgrep uses it as the grep program to be invoked.
EXIT CODE
2 - An option that is not supported was specified.
AUTHOR
Charles Levert (charles@comm.polymtl.ca)
SEE ALSO
grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)
ZGREP(1)