02-25-2009
sed '/^$/d'
Should have worked, maybe line not so blank after all...
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1. UNIX for Dummies Questions & Answers
¿How can i remove blank lines between all lines in a long text file?
Example
WrongFile.txt :
Line 1
Line 2
Line 3
CorrectFile.txt :
Line 1
Line 2
Line 3
Thanks in advance
:confused: (4 Replies)
Discussion started by: osymad
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2. Shell Programming and Scripting
Hi there,
I want to trim space between lines in unix.
I have a file named abc.txt with 2,00,000 lines.But useful are only a few. Please tell me how to delete the blank lines.:o (1 Reply)
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3. Shell Programming and Scripting
I have joined 2 files. Join command worked fine.
but the result showing extra blank lines. I tried to remove blank spaces by using awk (-- -42 RS= ORS="\n\n" file.txt) and sed (sed '/^ *$/d' file.txt)commands but didn't remove any
Any suggestions plz:D
123 tab .......
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4. Shell Programming and Scripting
I really hope someone can help me with this. I have several php files from a forum that I run, that now for some reason have blank lines after every line. Is there an easy way to make a script that does the following:
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Hi,
I'm not a expert in shell programming, so i've come here to take help from u gurus.
I'm trying to tailor a csv file that i got to make it work for the LOAD FROM command.
I've a datatable csv of the below format -
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xx,xx,xx ,xx , , , , ,,xx,
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6. Shell Programming and Scripting
Hi,
Consider a file named "testfile"
The contents of file are as below
first line added for test
second line added for test
third line added for test
fourth line added for test
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Hi,
I am facing a problem related to removing blank lines from a text document.
Input
Error 17-05-2011 11:01:15 VisualSVN Server 2.1 1001
The following information was included with the event:
line3
line4
Error 17-05-2011 11:00:25 VisualSVN Server 2.1 ... (13 Replies)
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When I 'vi' my test file I see some blank lines. However once I do :set list to display hidden characters, I see the empty lines literally like this:
^I$
How do I remove them? I cannot find a regex to match them. (3 Replies)
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Hi,
Which option is used to remove blank lines in VI (AIX). ?
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10. Shell Programming and Scripting
I have below file. I want to remove space at begining of every line and then after also remove blank line from file.
I use below code for each operation.
sed -e 's/^*//' < check.txt > check1.txt
sed '/^\s*$/d' < check1.txt > check2.txt
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NET(5) File Formats Manual NET(5)
NAME
net - format of .net files read/written by Magic's netlist editor
DESCRIPTION
Netlist files are read and written by Magic's netlist editor in a very simple ASCII format. The first line contains the characters
`` Netlist File'' (the leading blank is important). After that comes a blank line and then the descriptions of one or more nets. Each
net contains one or more lines, where each line contains a single terminal name. The nets are separated by blank lines. Any line that is
blank or whose first character is blank is considered to be a separator line and the rest of its contents are ignored.
Each terminal name is a path, much like a file path name in Unix. It consists of one or more fields separated by slashes. The last field
in the path is the name of a label in a cell. The other fields (if any), are cell instance identifiers that form a path from the edit cell
down to the label. The first instance identifier must name a subcell of the edit cell, the second must be a subcell of the first, and so
on.
Instance identifiers are unique within their parent cells, so a terminal path selects a unique cell to contain the label. However, the
same label may appear multiple times within its cell. When this occurs, Magic assumes that the identical labels identify electrically
equivalent terminals; it will choose the closest of them when routing to that terminal. Further, after connecting to one of these termi-
nals Magic may take advantage of the internal wiring connecting them together and route through a cell to complete the net's wiring.
An example netlist file follows below. It contains three distinct nets.
----------------------------------------
Netlist File
alu/bit_1/cout
alu/bit_2/cin
regcell[21,2]/output
latch[2]/input
This line starts with a blank, so it's a separator.
opcode_pla/out6
shifter/drivers/shift2
----------------------------------------
SEE ALSO
magic(1)
4th Berkeley Distribution NET(5)