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Top Forums Shell Programming and Scripting Nslookup how to remove interactive prompt Post 302816799 by Corona688 on Tuesday 4th of June 2013 03:24:47 PM
Old 06-04-2013
Code:
echo -en "set q=any\nwww.google.com\nexit\n" | nslookup 2>/dev/null | grep AAAA

Also, echo -e isn't portable, I suggest printf, which is:

Code:
printf "set q=any\nwww.google.com\nexit\n" | nslookup 2>/dev/null | grep AAAA

 

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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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