08-23-2007
Remove Line that contains specific string
I am looking for a way to remove any line in a text file that contains the string "Mac address". I guess you would grep and sed, but I am not sure how to do this. Thanks for you help.
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Hello,
A basic query. How can I remove a string from a specific column.
For example, remove "abcd" just from column 2 in example file:
abcd abcd1
abcd abcd2
abcd abcd3
to get output:
abcd 1
abcd 2
abcd 3
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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)