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UNIX for Dummies Questions & Answers
How do you delete cells from a space delimited text file given row and column number?
Post 302526818 by evelibertine on Wednesday 1st of June 2011 01:39:41 PM
06-01-2011
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I have this space delimited large text file with more than 1,000,000+ columns and about 100 rows. I want to delete all the cells that consist of just 2 (leave 2's that are not by themselves intact):
File before modification
aa bb cc 2 NA100 dd
aa b1 c2 2 NA102 de
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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.
Input:
19625 10.4791768259
19700 10.8146489183
19701 10.9084026759
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Hi,
Can anyone please tell me about how we can delete an entire column from a tab delimited file?
Mu input_file.txt looks like this:
And I want the output as:
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LEARN ABOUT DEBIAN
byobu-janitor
byobu-janitor(1) byobu byobu-janitor(1) NAME
byobu-janitor - script for cleaning and upgrading environment after upgrades SYNOPSIS
byobu-janitor DESCRIPTION
byobu-janitor is script for cleaning environment after upgrades, it consists from several tasks where aim is to ensure that environment is ready for new version of byobu. BUGS
None found, yet. SEE ALSO
screen(1), byobu-config(1), byobu-export(1), byobu-status(1), byobu-status-detail(1) http://launchpad.net/byobu AUTHOR
This manpage was written by Jan Klepek <jan.klepek at gmail.com> and the utility was written by Dustin Kirkland <kirkland@ubuntu.com> for Ubuntu systems (but may be used by others). Permission is granted to copy, distribute and/or modify this document under the terms of the GNU General Public License, Version 3 published by the Free Software Foundation. The complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL on Debian/Ubuntu systems, or in /usr/share/doc/fedora-release-*/GPL on Fedora systems, or on the web at http://www.gnu.org/licenses/gpl.txt. byobu 6 January 2011 byobu-janitor(1)