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UNIX for Dummies Questions & Answers
Deleting lines that contain a specific string from a space delimited text file?
Post 302549329 by bartus11 on Monday 22nd of August 2011 04:37:15 PM
08-22-2011
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I have a space delimited text file with two columns. I would like to add NA to the first column of the text file.
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Hi,
I'm trying to search for some number and from that line, i need to delete the 5th line exactly.
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b
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e
.
.
.
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LEARN ABOUT PHP
zgrep
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)