General :: Write A Bash Script To Parse A Text File?
Apr 27, 2011
I want to write a bash script to parse a text file with the following lines and set variables for each line so that I can use them in the rest of the script.
Timestamp=123456789
Company=ABC Company
Server=Server
Recipient=Joe Smith
Email=joe@abc.com
simplest way to read each line one at a time for everything before the =, set that to a variable name with the value equal to everything after the =
I am trying to think of a logic where my file contains some data I had to read and do some processing. Issue is that file contains data multiple times. For example:
::::::::::: var1=value1 var2=value2
[code].....
I have to read first paragraph of variables and do some processing and then move on until the end of file. Variable names are same in whole file but for each paragraph the value is different. I can't think of a logic to attain this task. How can I do it? It should be a simple bash script, but I am not able to work out.
I have a text file that contains a single word and I want to write a bash script that will read the word from the text file... The following is my incorrect attempt, as it assigns the name of the textfile to the variable as opposed to the word stored within the textfile:(assume I have a text file value.txt that has its contents a single word, say wordone)
Code: #!/bin/sh for f in value.txt do echo $f done
so the output of the above script is value.txt, however I want it to be wordone.to summarise: how do I assign the value of the word contained within a textfile to a variable?
trying to learn how to write a bash script that will create a new text file named jimbola in my home directory. The file will need to be able to have the first and last name of Jim Bola included in it.
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.
I create a bash script that writes another bash file. But in the generated bash file I want to write a bash command in the file and not executing it.Here's my bash file:
Code: #!/bin/bash cat > ~/generateGridmix2data.sh << END
I want to write expdp output in a text file using a shell script
If i write like below:
It will write whatever is there in log file to text file
But, sometimes export fails with out start taking export (without generating log file) because of job already exists error. such times, we dont know about that error until we check manually... so i wrote like below:
But still it is not writing anything in to text file using above stmt...
Actually i m new to scripting in Linux, we have RedHat Server Edition 4 in which different software licences are installed and software itself installed at client side. the usage of the software is recorded daily in a text file which is of format
I want to write a script that checks that for any OUT & IN, if utility, user and Client PC Name are same then subtract OUT Time from IN Time. This has to be done for each & every user and utility.Is there any GUI programming possible in Linux.
I have a script almost working except for 1 thing. What I'm trying to do is read a file that has the files that need to be FTP'd using a bash script. I have everything working except the reading of the file. It works outside of the ftp script I've wrote but once I put it in the FTP script it doesn't.
Here's the Script:
#Here's where the problem is that I know of
I've been playing w/ the exclamation points to see if that could be the problem, but so far no luck.
I want to write a shell script which will simultaneously collect OS user information and write in an individual text files.Can anyone tell me the syntax of the script.N.B. The user name will be mentioned in an array within the shell script.
I need to parse the file of same name which exist on different servers and calculate the count of string existed in both files.Say a file abc.log exist on 2 servers.I want to search for string "test" on both files and calculate the total count of search string's existence.For example if file abc.log on server 1 has string "test" 2 times and file abc.log on server 2 has string "test" 4 times.then the output will beStringName : Countexampletest : 6 timesNote : I have created the password less connectivity using ssh-keygen.
i am trying to write a program which will read input from a text file, check if each line contains any alphabets and then display a message imforming me if there is an alphabet in each line. My text file is formatted in this way...
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
I have a bash script that checks for contents in a folder every 15 seconds and then acts on it's contents. This works great for the average size file however on very large files it starts acting on the file before it's completely written. Is there a facility in bash shell to get a file complete signal or such? here is trigger to launch a larger script.
Code:
#!/bin/sh while true do $HOME/bin/hpgl.sh >/dev/null 2>&1 &
I have a folder of 2 many files that the old ls just hangs.
I am trying to write some log files such as;
I don't mind doing one at a time, but I am just playing and even getting the listing I am not getting the date stamp, I have the following;
That does create the file, but all the files look like this;
So basically it's just sticking that ls inside the log file and not actually running the ls, so how can I use the above type to get files just created per year?
I need to Read a path of a file witch is written in Text file i used this
Code:
FILENAME=$1 while read line do echo $line done < $FILENAME
it worked and showed me the Line witch was written in my file but now my problem is how am gonna use that line as a path i mean for example if am gonna execute a linux command on that file like dpkg -i /path/to/the/file how am gonna export it from The $Line variable and use it after the command.
Something very handy to do in a Linux shell, is manipulating files and strings - essentially parsing data. Write a utility which will scan in a text file and search and replace strings. We also want to keep track of how many strings we've replaced.
I know that my command would look like this: <utility name> <filename> <stringToSearchFor> <stringToReplaceWith> Code: #!/bin/bash
trying read serial COM port and want to write that received data to file, now its writing only one sentence, but i want to write full file which coming on serial port, as i'm sending file from hyper terminal and reading on linux pc, If i put while loop its not writing anything,without while loop its writing only one line and if send big file then application terminates and then writes to file.But i need do write any size which coming on serial port.Finally i want write full file which is coming on hyper terminal, after writing the file it has wait for next data. This is my code,
To run a parallel chemistry program, I need to build the host list. The cluster already has SGE(grid engine) installed and it generates a host list file with the following contents:
The important bits are hostname(ex compute-1-1) and number of cpus to use(ex 2). And for this program, it wants them in this form, a shell variable: HOSTLIST=hostname:cpus=X hostname:cpus=X .... I've tried this script, but it doesn't work
I created text for a bunch of "#!/bin/bash" scripts in MS SQL Server. Being on a Windows machine, I used Ultraedit to create text files for a few examples. After copying the files to a machine running Ubuntu 10.10, I changed group and owner, and made them executable. However, they won't execute. I get "file not found" errors. But, if I paste the content into text files created in Ubuntu, it runs fine.
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/
I need to parse through a file which contains timestamps of transactions. What I am trying to do is come up with a Max Transactions Per Second (TPS) value. I was thinking that creating an array variable would be the way to go, but I'm having problems determining even how to start.
I'm having problems with Tomboy. I have a few hundred note files and I need to go through all of them and replace all instances of "<link:broken>a</link:broken>" with "a". Is there a bash command I can use to do this?