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Top Forums Shell Programming and Scripting Call two files and merge all entities to create all combos Post 302932959 by bakunin on Monday 26th of January 2015 04:59:15 PM
Old 01-26-2015
Quote:
Originally Posted by MadeInGermany
The same in positive logic:
Code:
grep '^[^#]' "$fIn"

You are right. In fact i used "grep" here as a stand-in for my usual beautify-before-reading-process which looks like this ("<b>" is blank, "<t>" is tab):

Code:
sed 's/#.*$//
     s/^[<b><t>]*//
     s/[<b><t>]*$//
     /^$/d' "$fIn" | ...

This filters out all leading/trailing whitespace, removes comments and removes blank lines. Because i like to annotate my configs or workfiles extensively and i like to format them so that they are (for me) easy to read i need some preprocessing to remove the (for a script superfluous) extra parts in my loops.

bakunin
 

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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)
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