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Shell Programming and Scripting
only if column1 equals this print that
Post 302187677 by ShawnMilo on Monday 21st of April 2008 04:29:28 PM
04-21-2008
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Hi
I have a file with multiple columns. But there is something weird on column one that is attached to the name. The good thing is that its a consistent pattern so there should be a way to remove it.
So the first column looks something like this:
name_345.4ml
date_3456.4ml
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Hi,
I want to get rid of multiple rows (duplicate, triplicate etc..) for only column 1.
e.g.
iu 2
iu 1
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k 4
jk 3
nm 4
nm 2
output
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Hi,
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Hi, i have a problem,
I have three files, file_1, File_2 file_3 and I need to compare the data with file_3 file_1, data that are equal to file_3 file_1 should be deleted, file_1 receive data and file_2 file_3.
Ex:
file_1
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Hi All,
How to remove col1 and last column in a line. Please suggest some awk stuffs.
Input
col1 col2 col3 col4
col1 col2 col3 col4 col5
col1 col2 col3 col4
col1 col2 col3
Output
Processing col2 col3 ...
Processing col2 col3 col4 ...
Processing col2 col3 ...
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Hello i have 2 files:
a.out
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10.1.1.3
10.1.1.45
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how to compare to arrays to check if each elements of the first are the same of the second?
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LEARN ABOUT CENTOS
prev
PREV(1) [nmh-1.5] PREV(1) NAME
prev - show the previous message SYNOPSIS
prev [+folder] [-showproc program] [-showmimeproc program] [-header | -noheader] [-checkmime | -nocheckmime] [switches for showproc or showmimeproc] [-version] [-help] DESCRIPTION
Prev performs a show on the previous message in the specified (or current) folder. Like show, it passes any switches on to the program named by showproc or showmimeproc, which is called to list the message. This command is almost exactly equivalent to "show prev". Consult the manual entry for show(1) for all the details. FILES
$HOME/.mh_profile The user profile PROFILE COMPONENTS
Path: To determine the user's nmh directory Current-Folder: To find the default current folder showproc: Program to show non-MIME messages showmimeproc: Program to show MIME messages SEE ALSO
show(1), next(1) DEFAULTS
`+folder' defaults to the current folder `-checkmime' `-header' CONTEXT
If a folder is specified, it will become the current folder. The message that is shown (i.e., the previous message in sequence) will become the current message. BUGS
prev is really a link to the show program. As a result, if you make a link to prev and that link is not called prev, your link will act like show instead. To circumvent this, add a profile-entry for the link to your nmh profile and add the argument prev to the entry. MH.6.8 11 June 2012 PREV(1)