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Shell Programming and Scripting
removing lines with single charector
Post 302136182 by balaji_prk on Sunday 16th of September 2007 01:34:14 AM
09-16-2007
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Hi,
Please provide shell script to Remove empty lines(space) between two lines containing strings in a file.
Input File :
A1/EXT "BAP_BSC6/07B/00" 844 090602 1605
RXOCF-465 PDTR11 1
SITE ON BATTERY
A2/EXT... (3 Replies)
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It sounds a bit confusing but what I have is a text file like the example below (without the Line1, Line2, Line3 etc. of course) and I want to move every group of characters into a new line after each space.
Example of text file;
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Hi,
I have a requirement with,
No~Dt~Notes
1~2011/08/1~"aaa
bbb
ccc
ddd
eee
fff
ggg
hhh"
Single column alone got splitted into multiple lines.
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No~Dt~Notes
1~2011/08/1~"aaa<>bbb<>ccc<>ddd<>eee<>fff<>ggg<>hhh"
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Hi,
I want to remove duplicate records including the first line based on column1. For example
inputfile(filer.txt):
-------------
1,3000,5000
1,4000,6000
2,4000,600
2,5000,700
3,60000,4000
4,7000,7777
5,999,8888
expected output:
----------------
3,60000,4000
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Hello,
I'm trying to figure out how to use sed or awk to delete single lines in a file. By single, I mean lines that are not touching any other lines (just one line with white space above and below).
Example:
one
two
three
four
five
six
seven
eight
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I was reading this thread. It looks like a simpler way to say this is to only keep uniq lines based on field or column 1.
https://www.unix.com/shell-programming-scripting/165717-removing-duplicate-records-file-based-single-column.html
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Hi - I have req to join broken lines and remove empty lines but should NOT be in one line. It has to be as is line by line. The challenge here is there is no end of line/start of line char.
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LEARN ABOUT REDHAT
prunehistory
PRUNEHISTORY(8) System Manager's Manual PRUNEHISTORY(8) NAME
prunehistory - remove file names from Usenet history file SYNOPSIS
prunehistory [ -f filename ] [ -p ] DESCRIPTION
Prunehistory modifies the history(5) text file to ``remove'' a set of filenames from it. The filenames are removed by overwriting them with spaces, so that the size and position of any following entries does not change. Prunehistory reads the standard input. The input is taken as a set of lines. Blank lines and lines starting with a number sign (``#'') are ignored. All other lines are should consist of a Message-ID followed by zero or more filenames. The Message-ID is used as the dbz(3) key to get an offset into the text file. If no filenames are mentioned on the input line, then all filenames in the text are ``removed.'' If any filenames are mentioned, they are converted into the history file notation. If they appear in the line for the specified Message-ID then they are removed. Since innd(8) only appends to the text file, prunehistory does not need to have any interaction with it. OPTIONS
-p Prunehistory will normally complain about lines that do not follow the correct format. If the ``-p'' flag is used, then the program will silently print any invalid lines on its standard output. (Blank lines and comment lines are also passed through.) This can be useful when prunehistory is used as a filter for other programs such as reap. -f The default name of the history file is <pathdb in inn.conf>/history; to specify a different name, use the ``-f'' flag. HISTORY
Written by Rich $alz <rsalz@uunet.uu.net> for InterNetNews. This is revision 1.7, dated 1998/04/09. SEE ALSO
dbz(3), history(5), inn.conf(5), innd(8). PRUNEHISTORY(8)