Programming :: Script To Break A Block Of Text On To Different Lines?
Dec 15, 2010
I have a clump of text that needs to be broke up:gdbm Sat 07 Feb 2009 03:28:18 AM EST libattr Sat 07 Feb 2009 03:28:18 AM EST db4 Sat 07 Feb 2009 03:28:19 AM EST mktemp Sat 07 Feb 2009 03:28:19 AM EST keyutils Sat 07 Feb 2009 03:28:20 AM EST pcre Sat 07 Feb 2009 03:28:21 AM EST setserial Sat 07 Feb 2009 03:28:24 AM EST zlib Sat 07 Feb 2009 03:28:24 AM EST gawk Sat 07 Feb 2009 03:28:25 AM EST readline Sat 07 Feb 2009 03:28:26 AM EST rhpl Sat 07 Feb 2009 03:28:28 AM EST cracklib-dicts Sat 07 Feb 2009 03:28:37 AM EST setools Sat 07 Feb 2009 03:28:37 AM EST hal Sat 07 Feb 2009 03:28:38 AM EST which Sat 07 Feb 2009 03:28:39 AM EST Is there a way to get everything after the EDT in the text to be moved to a new line?
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Feb 18, 2011
I have a large text file with three columns. I'm trying to write a PERL script that splits the file up based on the value of the 3rd column. So every time the third column reads 0, a new file is created and all the data up until the next 0 is found is written to that new file. This should happen over and over until the initial file has been entirely split up.
ex data:
000
2024
2243
2143
96962871
97972878
000
2034
3034
3352
So with the data above, the file would be split into two files:
data_1.txt would contain
000
2024
2243
2143
96962871
97972878
and data_2.txt would contain
230
2034
3034
3352
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May 2, 2010
i am on processing text tasks And i found that if you assign a text to a variable is chomp'ed automatically the newline
Code:
variable=$(cat file.txt)
The problem is i can only access the items/lines using:
Code:
for line in $variable
do
echo $line
# Other commands
done
how do i convert this to an indexed array. More importantly, how do i get access to individual $line[0], ..., $line[n] Another thing, if the file.txt, has lines with spaces it is a mess using the for...in..., but echoing prints line by line...o_0
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Jan 19, 2009
I need to insert 3-4 lines of text to the beginning of a text file. The file is a largish MYSQL dump, the result of a backup shell script. This shell script should insert the required text.I've wrestled with sed, but lost.
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Apr 23, 2010
I tried to get a block of lines in awk, but unfortunately it returns output of one line only. I don't state the code here, because it's too short and too poor. What exactly I wanted to do: from file "/boot/grub/menu.lst" get blocks of lines, starting by title and ending by Now I have just
Code:
script="/boot/grub/menu.lst";
OLDIFS=$IFS; IFS=$'
';
[code]....
I want to get every block as one row of array.
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Feb 13, 2010
I am trying to find sed command combination to print out the "start command" line, the id line and all lines between "details" and "stop command" only if "error" exists. Here's the original output (test.txt):
start command
id 1
kajsdlfjsalj
[code]...
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Apr 20, 2011
I do a logcat, i got lot of lines, that I filter with a grep, at end, I just got some lines like this:
Code:
I/ActivityManager( 1763): Config changed: { scale=1.0 imsi=732/123 loc=es_ES touch=3 keys=2/1/2 nav=2/1 orien=1 layout=17 uiMode=17 seq=15}
[code]...
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Aug 21, 2010
I have a plain text file with 360 lines of varying length text. How do I add a comma or other symbol to the end of each line so that I can convert the file to csv format that I can open in a spreadsheet (45 rows, 8 columns). That means each 8 lines of text forms 8 columns, with 45 rows.
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Jan 28, 2009
I have a text file called file1.txt containing many lines eg.
line1
line2
line3
line4
line5
line6
Then i have another text file called file2.txt contains
3
5
6
Is there a command to remove the lines in file1.txt based on the keywords in file2.txt? note: It should remove line3,line5,line6 based on 3,5,6
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Mar 11, 2011
For example, I have a text file with data which lists numerical values from two separate individuals
Code:
Person A
100
[code]...
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Nov 22, 2010
I have a log file and want to extract all blocks of text that start with START and ends with END. Each block is 5 lines.
Code:
--- START
blah blah blah
[code]...
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Mar 11, 2011
For example, I have a text file with data which lists numerical values from two separate individuals
Code:
Person A
100
200
300
400
500
600
700
800
900
1000
1100
1200
Person B
1200
1100
1000
900
800
700
600
500
400
300
200
100
How would I go about reading the values for each Person, then being able to perform mathematical equations for each Person (finding the sum for example)?
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Apr 25, 2011
I am trying to construct a quick regex that will search for six lines of text without a clear line break between them. It only needs to search, not replace, as I will be using in gEdit (with regex plugin) anyway.
It's for editing subtitle files. The video player I will be using them on can only cope with 3-line subtitles, so I just need to edit any in the srt file that contain four or more. There won't be many so I can do it manually. For example:
26
00:01:47,357 --> 00:01:49,359
a motivated business
professional with
clearly defined goals.
[Code].....
but .* seems to mean "any character, or none", so that doesn't work. My experience of regular expressions is limited, but I do know they are very powerful when used correctly!
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Mar 16, 2010
So I have file which looks something like this:
cat .opera/operaprefs.ini
Code:
[User Prefs]
Language Files Directory=
[code]...
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Nov 24, 2009
How do you remove parts of strings using python? Such as, if I have something like:
Code:
erme1 sdifskenklsd
erme2 sdfjksliel
[code]....
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Jan 27, 2011
I am having a file filled of blocks like (each is seperated with the <event> )
<event>
8 1 0.1118800E-04 0.1709000E+03 0.7546772E-02 0.1182204E+00
-1 -1 0 0 0 501 0.00000000000E+00 0.00000000000E+00 0.40846782627E+02 0.40846782627E+02 0.00000000000E+00 0. 1.
2 -1 0 0 501 0 0.00000000000E+00 0.00000000000E+00 -0.90202563950E+03 0.90202563950E+03 0.00000000000E+00 0. -1.
[code]....
how can I copy this block if for example find "13" in the first column and "-1" in the last ? Then, looping to the rest of the file doing the same all over again?
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Apr 23, 2010
Consider a situation in which you want to display only specific lines of contents from a file or of a command's output. Yes, we have head and tail commands. But, how to view all the lines of a file except the last one or vise versa when we don't know the count of lines in advance?
Consider this output:
Code:
[root@localhost ~]# ps au | grep bash
root 6316 0.0 0.0 4672 1440 tty1 Ss+ Apr22 0:02 -bash
root 20847 0.2 0.0 4672 1432 pts/0 Ss Apr23 0:12 -bash
root 21167 0.0 0.0 3920 660 pts/0 S+ 01:00 0:00 grep bash
Here, I don't want the last line (in italic) to be included in the result since the last line is due to "grep bash" in the devised command "ps au | grep bash". Well, we can rewrite the devised command:
Quote:
"ps au | grep bash | head -n 2"
But, again, here we are specifying the count of lines to be included. But, in the presented problem we don't know any count in advance!
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Mar 24, 2011
I want to know that how the break points and watch points work in the GDB. I know the GDB works on symbol table. But would like to know more details of it. How watch points differ from break points.
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Feb 25, 2011
I have some variables that are loaded from mysql - in mysql, the line breaks are not indicated by ' or '<br>' or anything -they are just line breaks. the variable is loaded into javascript and then inserted into a <pre> element. the line breaks are not showing up.
pre1 = pre1.replace(/>/g,">"); - this works well, naturally. but how do i get those line breaks to show up as line breaks in a browser?
I've tried many variations of something like:
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Jul 20, 2011
I have an array with 15 elements, and I want to break it down into three columns. When the array is split into a the three elements - however on the iteration, it does not conform to that structure.
Code:
#!/usr/bin/perl -w
use strict ;
[code]....
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Feb 11, 2010
I would really like to disable how on most KDE programs the boxes that have text in them it has a two tone line scheme, I am probably not explaining it too well but I will attach a picture. I like the color scheme I have now, but for some reason it uses black for the second color. I have looked in appearance settings and haven't found anything that changes it.
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Feb 22, 2010
How do I get rid of the yellow lines with text that pops up everytime I'm holding the mouse over something?
I find them to be VERY annoying.
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Oct 27, 2010
I run ubuntu 10.10With moovida 1.0.9(elisa)I get this red lines over all text in moovida.The below is not my screenshot but exactely same problem, exept i have red lines
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Nov 5, 2010
Is there a way, besides writing a PERL program, to read each line one by one in file A and tell if this line also exists in file B? Can this be done via a shell script?
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Sep 17, 2009
Is there anyway to delete certain paragraphs within a text file and then insert the paragraph into another text file.I just cannot figure out how to remove the specific lines from the file and then insert them into another file at a certain line within that new file. Thanks again
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Jul 27, 2011
I have a few rather large text files, and I need a way to look at the first three lines of each. Is there a way to do this using awk?
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Jun 17, 2009
I have a list of words that I want to grep in many files to see which ones have it and which ones dont. in the text file I have all the words listed line by line, ex: list.txt:
check
try this
word1
word2
open space
list ..
I want to grep each line one by one. like I want it to
grep "check" *.log
grep "try this" *.log
grep "word1" *.log .. etc how can I do this?
and maybe write the output to a file.
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Dec 27, 2010
I want to scroll back 10000+ lines in text mode linux terminal. As there is an unlimit option in gnome-terminal, so I guess if this is also possible in text mode?
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Sep 6, 2010
I am creating my own address book Python program and I want to create a nction that removes some specified entries. The code looks like this now.
Code:
def remove():
delentry= raw_input('Enter the entry name to delete: ')
[code]...
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Dec 16, 2010
Contained within each of these 67 text files is about 1 million urls. Yes. I have 67 text files that contain 1 million lines of urls each. I am sure I am swimming in duplicates. I tried opening one text file and clicking sort ----->remove duplicates. Now Gedit is not responding my processor is maxed out to 100% and I think I am finally ready to delve into some command line code. Can anyone give me idiot proof instructions on how to sort the duplicates out of each one of these 67 text files? How about no duplicates across all 67?
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