Ubuntu :: How To Delete Un-Identified Characters File
Mar 1, 2011
I just found out that I did mistake.I transfer 1 file into the Ubuntu Linux,but that File has a strange character. Take a look at the picture screenshot taken.free image hostingExplanation: 1) The file name is unknown, take a look at the WinRAR Archive (left window)2) The file name recognized in Ubuntu without any name, thus it appeared as Empty (right window: putty program). And via Command Line Interface, it appeared as Question Marks.
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Jul 8, 2011
What command could I use in terminal to delete all ASCII characters? That is, delete a-z, A-Z, 0-9, and all punctuation? I have a file containing Chinese characters, and I want to remove everything else and leave just the Chinese.
I can use grep to leave only the lines that have Chinese in them, but this still leaves a lot of non-Chinese stuff on those lines. Does anyone know how I could actually remove everything that isn't Chinese?
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Nov 12, 2010
how do i delete any single one of the files in my whole disk that say something along the lines to "chromium os"? i.m just wondering because i tried to install through virtual box and failed, and probably have three different partitions consisting of nothing.
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Jun 6, 2010
I have downloaded torrent from some chinese tracker. It has ???? and some other symbol charaters in directory name. How to delete that file and directory?
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May 12, 2010
Can't rename, move or delete files or folders that have a foreign character.
Code:
The file or folder /data/down/done/1999 Taraf de Ha-douks does not exist.
Kubuntu Karmic. Fails in konqueror and dolphin.
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May 3, 2010
I have a file with a number of strings like the ones below
string1#m1asdfe23easdf23wefas
string2#mfaaeb2vr1rhserh
anotherstring#ji89ensrsegr
anotherone#m1ynmdt324nsdt
I'm trying to delete everything after #** so that
string1#maasdfeaveasdfawefas
string2#mfaaebvrserhserh
becomes
string1#ma
string2#mf
tried sed 's/#..*//g' but as you all will know it returns string1, string2 etc.
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Feb 18, 2010
Why is there no Delete when I right click like there is with Windows in ubuntu? Pretty much everything else is there like new folder and so on Is there some way to add it? Also why when i delete something does it not ask me if I am sure that i want to delete that file?
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Mar 23, 2010
I just installed Fedora12 in a Core i3 machine... everything looks fine, but I have a huge problem... every time I upload a file (using ftp or sftp) some wier characters are included inside the file... for example.
[Code]......
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Aug 12, 2010
Why Ubuntu would not be able to read an ISO that windows xp is fine with? I find that it's usually the other way around. This has occurred with 3 different ISO's. Gmount and K3b don't like em at all.
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Jul 24, 2010
During the installation of Ubuntu 10.04 the partitioner was wrongfully configured to see a functioning btrfs partition as ext4 (without reformatting it). Thus the installation process got stuck at 5%.Installer was run again ignoring the btrfs partition.btrfs-tools was added to the new 10.04, but the btrfs partition is now recognized ast4 with lost+found folder on it.Tried to add the btrfs to etc/fstab as btrfs but t won't mount.Can the partition/filesystem type be changed so that this is actually recognized and mounted as btrfs, hoping my data is still on it somehow?
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Jun 30, 2011
I have an odd request, lets say I have a text file like this:
Quote:
Code:
__##___##___IIIIII
__##___##_____II__
__##___##_____II__
__#######_____II__
__##___##_____II__
__##___##_____II__
__##___##___IIIIII
I want a script that will replace all of the hash tabs with random characters.I found this command will generate a random character
Quote:
apg -a1 -n1 -m1 -x1 -d
how to script a search and replace using that random character upon each successive find until the end of file occurs.
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Aug 28, 2011
While modifying the definition of my PS1, I saw that "[" and "]" markers should be added to help bash to compute the right display lenght. Many exemples on the web do not use them or even mention them.I searched for a solution to add them automatically, like with sed, but I didn't find any example.Are they still needed and is there a recommandation not to use sed to define PS1?
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Apr 17, 2009
I would like to modify the content of a text file in Linux, in the following way:=> the file has several of these lines:./run_pest3 ./g134366.04080_0.062 x 2_d043 1 0.43 results_EC=> I want to modify all lines to be:./run_pest3 ./g134366.04080_0.062 x 2_d043 1 0.43 results_EC0.062i.e., the last number of $2 should be "attached" to the end of $7, for each line.
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Jul 20, 2010
I have a problem with both genisoimage and mkisofs. Both of them are limited to 8 characters. There are very many options for them. Which one would remedy the issue?
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May 21, 2010
Simple logging script that allows user to enter quick notes and questions, but I can not get it to pass punctuation '?. no matter what I type after 'n' i need that to be inserted at the end of the working project note file.Any help and working examples would be appreciated, but please also direct me to the proper reading material so I can learn something - not looking for someone to just do it for me.usage:
Code:
bob@smith:~/notes$ n bob's script sucks?
>
[code]....
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Nov 7, 2010
I have txt file with list of ID's and I need to insert comma in every line and then remove new line character so it'll become one long string. So to clarify, I have txt file content that looks like this.
234
5466
2356
... and so on.
but I would like this to change to 234,5466,2356,... I looked at sed and tried to wrap my head around the commands but I guess my brain isn't smart enough. its really confusing for me. I've managed to add commas to end of line (sed "s/$/,/g" filename) but somehow I can't seem to remove new line character from each line.
sed 's/[
]*$//' doesn't seem to work.
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Oct 23, 2010
I would like to create a .ksh script which cuts certain data from a document. I have tried to use SED and AWK and piping but its been some time since i have operated on Linux and my memory is patchy.
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Jan 29, 2011
For example, I have a file called "file" like this one:
type=strongsubj len=1 word=absolve pos=verb stemmed=y priorpolarity=positive
type=strongsubj len=1 word=unique pos=adj stemmed=n priorpolarity=neutral
type=strongsubj len=1 word=absolutely pos=adj stemmed=n priorpolarity=neutral
type=weaksubj len=1 word=taking pos=verb stemmed=y priorpolarity=positive
type=weaksubj len=1 word=friend pos=noun stemmed=n priorpolarity=positive
type=weaksubj len=1 word=usually pos=adverb stemmed=n priorpolarity=positive
type=strongsubj len=1 word=purecolor pos=anypos stemmed=n priorpolarity=negative
type=strongsubj len=1 word=accusingly pos=anypos stemmed=n priorpolarity=negative
I want to add the plural for the noun, for example if find this line:
type=weaksubj len=1 word=friend pos=noun stemmed=n priorpolarity=positive
will add one more line :
type=weaksubj len=1 word=friends pos=noun stemmed=n priorpolarity=positive
where we add "s" for the word friend
I did try to do like that:
<code>
cat file | while read LINE ; do
set -- ${line}
if [[ "${4#pos1=}" == "noun" ]];then
#I tried this line but it doesn't work properly:
v3==$(echo $line |sed 's/$3/$s') #I want to find the third word "word=friend" in that line and add "s" after that word
# I don't know what command to add this new line "$v3" to the file ???
done
</code>
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Jul 14, 2010
I found today that ClamTK identifies items in /usr/share/doc/nautilus-clamscan/examples folder as possible viruses. The four files in question, "clam.exe, clam.cab, clam.exe.bz2, and clam.zip" are all part of the standard file list in packages.ubuntu.com. None are marked as executable, but are identified as binary files by less. Any ideas why these files are here or what they do, besides generate false warnings?
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May 28, 2015
I booted Debian in Live mode on a USB to try to see if the internet will work on my Linux machine before I actually install it (there is some tricky internet software where I live that I must overcome, but that will come in another thread).
Currently I have no WiFi whatsoever. When I go into the internet access menu I only get back the fact that there is a wired connection that's possible (theoretically, I should be able to also see networks to which I can connect to, but I don't). Also, it's impossible for me to actually get a wired connection going, unless I can somehow give it through my Windows laptop.
When I did some research, the people seem to say that I need to update the driver after enabling the use of non-free software; I can't do that since I have no connection in the first place.
The OS recognizes that the PCE exists (I am using asus pce-ac68), when I did "lspci" command it told me I have BCM4360 and BCM43225 chips.
I think I found the drivers here "[URL] ......" but I don't think my chip is listed there (there is no BCM4360 or BCM43225 on that list). What to do with those drivers, I mean how to compile them and install them on a Debian machine, and I'm not sure I can even install them on a live boot (but I want to make sure my internet works on the live boot before I actually install the OS).
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Mar 31, 2010
Currently, I'm working on personal project. and I'm kinda stuck. What I want to do is that open a file, and edit that file (deleting unwanted characters). The problem arises after I deleted unwanted characters, the file still has the same length of the original one. Let's assume that we have a file with "1234" in it. I deleted "3" ( I overwrite "\0" ) so now when I check the file, it's 124. But when I check the length, the both have the same size as 4
Here is an example source code
int length, length2;
num = open("a.dat", 2)
length = lseek(num, 0, 2); // Initial length
lseek(num, 2, 0); // editing
write(num, "\0", 1);
length2 = lseek(num, 0, 2); // Final length
close(num);
When I print those values those are exactly the same. Length2 should be one less than length, but the both are 4. What's wrong in m code? Am I supposed to use different character rather than "\0"?
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Feb 20, 2010
I am running gentoo openbox(rox file manager and desktop) I installed Digikam and Amarok. But I have problems with files which include special character in their names(such as �,�, �,ğ... ) The files are shown with strange and weird characters in the file dialogs of Digikam and Amarok.
I don't have this problem in other applications. I can create files with special character included. I think some settings do not agree with KDE4. How can I solve this problem? Does anyone have an idea? I also installed KDE systemsettings program but could not find a relevant config option for character encoding.
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Mar 26, 2010
Anybody know and command to count any characters in file? I would like to know the total number of character " (quote) in file. My idea is to check if in a script the total number of this character is pair.
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Apr 6, 2010
# echo "foobar" > /tmp/word
# cat /tmp/word | wc -m
7
I want to print the number of characters in the file. Why does it output 7? Am I missing something obvious?
manpage:
-m, --chars
print the character counts
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Mar 24, 2011
I have a file with special characters that need to be replaced. I've been working on this for a day and have run out of time.
Example: FILE='/var/tmp/S0000000.LOG.March-24-2011:10:51.tar'
Need to replace the ' with a " on all lines in the file.
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Oct 21, 2009
Many folders within a subdirectory some of which have lots of data in and some of which have only one specific file called produkt.fil inside.I need a command to find and delete those folders that contain ONLY the file produkt.fil - if other files exist (doesnt matter what they are) then they should be left alone. Note: produkt.fil exists in all of the folders always.
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Jul 30, 2010
When I ls -l /etc/passwd, -rw-r--r-- 1 root root /etc/passwd When I login as myself, and rm /etc/passwd, it asks: rm: remove write-protected file '/etc/passwd'? If I say yes, will it actually delete the passwd file?
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Feb 15, 2011
I know GEdit has a bug which prevents it from opening a file with null () characters in it. This is a huge inconvenience for me because I frequently have to open big log files with only a couple rogue 's in them.
Sometimes I just run a quick tr -d '' < file.log > file.log.correct and open the correct file. This is a big nuisance. I would like to have maybe an external tool in GEdit that would execute the above command. I tried writing an external tool action (GEdit plugin) using just:
#!/bin/bash
tr -d ''
Input is "current document", output action is "replace current document". But this isn't working. When I open the file, GEdit shows the familiar red warning; activating the external tool with the warning showing apparently has no effect (I think the script is being called but its input/output are not set).
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Apr 29, 2011
I am having difficulty getting sed to replace a string of text in an XML file, despite the fact that I have no trouble using grep to find that same string. Since the new string and old string to be replaced contain a lot of special characters, I thought it best to store them in variables as opposed to using a slew of backslashes:
OLD_STRING='<property name="webServiceHost">${jboss.bind.address}</property>'
NEW_STRING='<!--<property name="webServiceHost">${jboss.bind.address}</property>-->'
[Code]....
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Jan 27, 2011
Using Fluxbox, have tried this in XFCE and KDE. Chinese characters display properly in whatever browser I use online. I do need to see some in the file manager and this is not working.
I have installed the following chinese display files from Slack -
No results so far.
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