Programming :: Bash Script To Locate A Specific File?
Jun 14, 2010
I'm new to bash scripting and I've searched around the forums and Internet for this but haven't had any luck. I've found similar things but not what I need. What I need to do is write a simple script that uses what the user inputs to locate and display where a file is. I would prefer to use locate instead of find since I know that the person I am writing this for has locate on her machine (my mom, who is just beginning with Linux).I'm writing the script to make things easier for her while she learns In this particular part of the script I would like to be able to have the script prompt to enter the file she is searching for, read the her input and then display for her where the file is. I realize it would in most cases be much simpler just to teach her how to use locate, but she is very impatient and this is just a part of the script I will be writing, but I can't figure out how to do this.
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Apr 30, 2010
I have a text file which stores the list of files & dir, I want to get only file's extensions from this file & want to store it in another file.eg, below is the file's contents & from it I want to get the extensions sh, pl & h & want to store it in another file. Also I don't want directory list.
A scripts/services_restarter.sh
A scripts/svn post_commit scripts
A scripts/tmp/
[code]...
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Aug 5, 2011
I mean codes on how to write a bash script for locate file. E.g: This utility shows you all files and directories that have a specific substring in the name. Press '?' for help, 'q' for quit or enter your search terms:
Kuala bin
I have searched for two terms for you,
Kuala, which has three hits:
/usr/share/zoneinfo/Asia/Kuala_Lumpur
/usr/share/zoneinfo/posix/Asia/Kuala_Lumpur
/usr/share/zoneinfo/right/Asia/Kuala_Lumpur bin, which has 2312 hits.
Are you sure you want to see all of those? [Y/n] n
Press '?' for help, 'q' for quit or enter your search terms:
Sorry, you didn't enter any search term.
Press '?' for help, 'q' for quit or enter your search terms: q
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Mar 8, 2011
I use rhythmbox to do download my podcasts and I'd really like to automatically sync the new files to my phone when I attach it.The phone mounts as an external drive so I was kind of hoping to write a script that would run automatically when the drive mounts.
I would want it to delete files on the phone that are not present on the computer.Can anyone help me with the syntax for both the bash part and the correct rsync command?
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Oct 19, 2010
I want to delete all files within a specific folder without actually deleting the folder, what is a good bash command for this?. I found this one but encountered some errors even though I am executing it within the specific folder:
useratdebian:/home/user/folder# find . -type f -exec rm -rf {} ;
[1] 5052
useratdebian:/home/user/folder# find: missing argument to `-exec'
[1]+ Exit 1 find . -type f -exec rm -rf
The command as it appears is:
find . -type f -exec rm -rf {} ;
how to delete only the files contained within the folder called "folder" for example?
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May 3, 2011
I'm trying to call a specific variable based on a user selection. For example:
Code: Select a file:
[1] foo.tar
[2] bar.tar
Enter a selection: I have already coded each possible selection to have its own variable. If the user selects 2 I need to select $SELECTED_TAR2, or if they select 1 I need to select $SELECTED_TAR1 and then do something like this behind the scenes:
Code: cp /home/user/$SELECTED_TAR2 /home/user/backup/$SELECTED_TAR2
I was thinking something like this:
Code: echo "Enter a selection: "
read -e SELECTED_NUMBER
cp /home/user/$SELECTED_TAR$SELECTED_NUMBER /home/user/backup
[code]....
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Aug 11, 2010
I would like to parse an input file in which there are two columns per each row. We want to see how many lines are duplicated where we define duplicate to be having the same second field and different first field. For instance if the input file looks like the following:
79874 13131
79873 12309
79820 13131
[code]...
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Apr 8, 2009
I look after a server which accepts automatic overnight PASV FTP uploads from remote clients. When the uploads are complete, my Bash script copies the files to another location. The problem is, my script needs to be a bit smarter when it comes to detecting active FTP sessions.
I was using:
Code:
netstat -n | grep ":21 " | grep ESTABLISHED
to test if there were active sessions, but came unstuck when a local user left an unrelated FTP session active. The result - my script hung around all night thinking there was an active upload from a remote client. My server is behind a firewall, so remote clients all show an internal (NAT) address,so I can't differentiate by source IP address.I can't install LSOF or FUSER for security reasons. Is there a way I can test for active FTP sessions from specific users? I am running Red Hat Enterprise Linux Server release 5.2 (Tikanga).
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Jul 16, 2011
A long time ago I wrote a short essay about the 'federal' 'reserve' board. I don't remember it's name or format. I think it's somewhere on my rather large hard discs (to of them divided into various partitions).I'm trying to write a command line that will find it based on a quote that is in it: "our fathers brought forth"I have tried various configurations of grep, and or combining grep with find, but I'm getting nowhere. I really don't understand the syntax of either command, or how they work together, and the examples that I can find are really no help at all.
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Dec 23, 2010
I have a log file that contains information like this:
----------------------------
r11141 | prasath-palani | 2010-12-23 16:21:24 +0530 (Thu, 23 Dec 2010) | 1 line
Changed paths:
M /projects/
M /projects/
[code]....
what i need is, i need to copy the data given between the "---" to seperate files, for, e.g. the first set of data between the "---" should be in one file and another set of data in another file.
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Dec 12, 2008
I am a beginner with php ,trying to work my way through.
I have a file to be written with particular indentation and by appending some special characters...
this is the o/p file i wanted. could anyone please guide me as to how i can write it? code...
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Jan 6, 2011
so i have a file that has the following
file1.txt
ID1 age_11 dog_n3 parent_dog_n1
ID1 age_7 dog_n4 parent_dog_n3
ID1 dog_n5 age_4
ID1 dog_n6 age_4
[Code].....
As you can see i would like the output file to be just the dogs, not the otehr information. But because the information is mixed up how can i extract only the dogs? (i cant do and awk '{print }' because the dogs are found in colounm 2 or 3 or sometimes even 4.
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Sep 10, 2009
To save on the writing of WAY to many files with very little in them, I want to put it all in one file and read a specific few lines. There will be six variables to be read at a time. Format is as such:
//Set 1
string name
5
12
[code]....
From name to 5th number is a set. The name will be of different lengths for each set. This will be a big file of probably 40+ sets. My problem lies in reading one and only one set be it set 5 or set 34. It needs to be done in C++.
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Jan 21, 2011
I'm trying to come up with ideas for a simple way to strip a specific "entry" from a text file.I know tools like sed and perl can remove specific lines from a file but I haven't been able to come up with an elegant way to do my group of lines.In my file, the first "Location" line and the "SVNPath" line should be unique every time... but are they enough to strip out the whole set of the group plus the trailing one line of white space separating each group? Add to this, my file will grow as new entries are added (always appended to the end) but new entries will have the same formatting.
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Sep 21, 2010
I need a shell script which gathers the data from a remote XML file and then displays it according to my needs.. I need this for my job due to the fact that I need to keep track price changes of euro, usd, gold, etc. The XML file I am talking about is located at this page: here. The reason I am posting the URL is that I need to use curl to get this file and it does NOT have newlines after each tag. I thought that that would be a problem. Here is what I need from the script: 1) curl to get the page 2) make use of sed, awk, etc. to display its contents in a more structured and readable manner as shown below:
A: 64.125 (% -0.26)
B: 81.130 (% -0.32)
C: 1.4930 (% 0.00)
D: 1.9590 (% 0.36)
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Mar 10, 2011
I'm trying to extract specific lines from a flat file. I need lines that fall within a range of coordinates. The -F can be either ! or = If the line is in this set range I need all of the data on that line. ranges lat 36 to 39 and longitude -74 to -84
awk -F '=' '{lat=substr($2,1,2); lon=substr($2,10,3); (lat >36 && lat <39) && (lon >-74 && lon <-84); print lat"--"lon}' < net.log
example line from the flat file
K4MQF-3>APN383,VA2-2,qAR,N3HF-5:!3818.65NS07800.17W#PHG77306/W3,VA3/Clarke Mnt
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Jun 6, 2010
I have a file which contains milion of records. It contains 12 columns seperated by "||" (delimeter).
First two fields contain first name and last name of a person. Now my requirement is to delete all those records from this file for which:
First two fields does not contain any alphabet.
For e.g i have below mentioned records in file:
gaurav||gandhi||123||456||789
#a%bcd||123abc||89|90||91
12345||@@@||89||123||234
***||!!!!||98||76||90
Now, last two lines should be removed from this file since first two fields does not contain any alphabet for these two records.
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Jun 9, 2009
I have been messing with diff and grep for 2 days now without result
I am trying to match a file consisting of words to many separate other wordfiles in a specific directory. one by one.
What i want the script to do is to report how many matching words my main file has with every file in the directory, each in turn
setup:
Each of em are plain text files with 1 word per line
Output should be something like:
SCRIPT REPORT:
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Jul 24, 2010
I need to search a bunch of files in a specific folder for a specific number and add all the numbers together to a total sum. I use Rsync everyday, everytime I run rsync i get a logfile (rsync output) witch contains the textstring "Total bytes sent: xxxxxx".
The "xxxxx" can vary in lenght. I need to extract the "xxxxxx" from each file and add the numbers together to a total size over a week or a month. Is this possible? And I wish to only use bash. One way of doing stuff at a time my friends .
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Nov 30, 2010
What's the easiest way for me to make a program that requests a file location and then tar balls it. I basically want to start making a simple method of using pv with tar (lzma).
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Jul 19, 2010
I want to replace specific character in a file after every specific line. example as follows.
O 000000000000000000
A 111111111111111111
C 222222222222222222
[code]...
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Sep 4, 2010
Code:
#!/bin/bash
ls -lhGg | while read line; do echo "$line"; done | awk ' { print $3" "$6 } '
what i want to do is be able to print column 3 and every column greater then 5. Has to be to the end of the line, since different filenames can have different amounts of words in them and the blank space is the separator. my current code works just fine if the file has no blank space.
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Feb 26, 2009
I want to write a script that returns me name of the files that begin with the specified characters. like
Script out should be
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Dec 12, 2010
How do I use bash to open a file, (file name as first parameter) cut n char from begin of each line, and write shortened lines to new file (outputfile name as the second parameter, n as the third parameter)
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Jul 5, 2010
I recently installed 10.04, in the process of installing MythTV... I'm looking for installed files and find bash no longer finds updatedb or locate commands. I did change /etc/hosts and /etc/hostname to change the name of the box. Could this have hosed those commands? I tried them as root... sudo -i, same result...
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Jul 24, 2010
I have a laptop that I am in through SSH. The laptop does not have an Xwindow system so I am using the program fbi to open an image on my laptop screen from my SSH connection:
fbi -T 8 picture.jpg #this opens the image on the laptops tty8 terminal
I've found that making a for loop does not work with files that contain a space in the name. Something to due with a bug that they call a "feature" that stops the first variable at the first whitespace.
Using a "while" loop is not exactly what i require either seeing as I want to be able to view each image in the directory on screen and tag it accordingly, before it jumps off to the next image, and I'm not sure how to add a pause to a while loop.
How do I make a Bash script and loop Variables handle files like "files that contain spaces.jpg"
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Apr 9, 2011
I would like to delete a single line from a file that contains many lines passing through the same values as the two parameters. Again, I would like to delete a single line and not all those that contain parameters. How can I make bash?
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Mar 26, 2011
Using awk I pull the first field of a random line from my datafile.myvar1=`awk -F" " 'NR=='$randline' {printf "%s", $1}' myfileThis works fine. The problem is there will be empty lines at the end of the file. Rather than using awkto filter out blank lines I would like to figure this out first.So I test $myvar1 for a blank string after setting $randline to one that I know is blank:test -z "$myvar1" && echo "true" || echo "false"But, this returns "false"? So the string is not zero length. Why? It's a tab-separated file. Is awk storing the tab with the $1 field or something.This is where I get headache. I try to echo my variable to see what it looks like.
echo "$myvar1"
outputs: nothing
echo "My variable is [$myvar1]"
outputs: [y variable is [
Why is the closing bracket at the beginning? What character could be stored in $myvar1 that would do such a thing and how did it get there?
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Oct 13, 2010
This code uses ping to check connectivity to a remote location and logs it to a .html file which is then stylized by css..
Code:
#! /bin/bash
path="$HOME/Desktop/IP_Monitor" #Path to write out files
ALT="0" #For styling alternative row
[code]....
I need to add a feature such that instead of hardcoding the ip address .. it takes them from a list and makes new files for each ip address for logging.. And also when log files are completed , They should be compressed using tar. How should i go about adding both these.. This is my first bash script.
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Aug 8, 2010
I have a script that reads part of a line, delimited between the first and second intended part by a colon. Then it "chops" the part after the colon, which are words offset by commas (counting them beforehand so as to catch every word in the string's second part), like this:
Code:
"COLORS.JPG:red,orange,yellow,green,"
(Returning)
red
[code]....
single script that parses/breaks both parts of a line like this "COLORS.JPG:red,orange,yellow,green;blue,indigo,violet," so that the two parts, separated into single words (or two and three words, sometimes with spaces) can be used as single-line annotations and written to JPEG files using Exiv2. So far, I haven't been able to come up with a script that does this without one part of the total string(usually that part after the colon) becoming the first word in the second array. In other words, I look for this:
KEYWORDS:
[ ]red
[ ]orange
[ ]yellow
[code]....
Or vice-versa (ie, the second array winds up as a single-line "member" of the first). I think it's because I'm using a single while read loop to read the text file in which the filenames and substrings happen to be. If there's some way of reading a file once and going back to the beginning to read it again in another while loop, I haven't found it.
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