How do I perform a command to multiple files? For example, I want to look at all files in a directory and print the ones that do not contain a certain string. How do I go about doing this? (4 Replies)
Hi all,
I have mistkanely gzipped twice an entire folder and sub folders, and also renamed the files during that process.
I am trying to undo this, and I need help to create the batch to work on it.
All folders are under my images directory, I have a output.txt file that holds all the... (1 Reply)
Hello, I have a problem that I'm having quite a bit of trouble with.
I am trying to create a script that performs a specific sequence of actions for a file of a specific type.
This is an abbreviated version of my basic script:
#!/bin/sh
#coulombic calculations... (2 Replies)
I have a large CSV files (e.g. 2 million records) and am hoping to do one of two things. I have been trying to use awk and sed but am a newbie and can't figure out how to get it to work. Any help you could offer would be greatly appreciated - I'm stuck trying to remove the colon and wildcards in... (6 Replies)
I'm having a couple of issues. I'm trying to edit a nagios config and remove a host definition if a certain "host_name" is found. My thought is I would find host definition block containing the host_name I'm looking for and output the line numbers for the first and last lines. Using set, I will... (9 Replies)
HI all,
I want to script where all the server names will be in a text file like
server1
server2
server3 . and the script should take servernames from a text file and perform copy of files if the files are not present on those servers.after which it should take next servername till the end of... (0 Replies)
Hi,
I have a directory /home/datasets/ which contains a bunch (720) of subdirectories called hour_1/ hour_2/ etc..etc.. in each of these there is a single text file called (hour_1.txt in hour_1/ , hour_2.txt for hour_2/ etc..etc..) and i would like to do some text processing in them.
Each of... (20 Replies)
Hi everyone,
I got a data frame like the one below and and would like to do the following:
Ignore the first 3 rows and check in all following rows the second position. If the value is >500, subtract 100.
Example DF:
ABC 22 DE 12
BCD 223 GH 12
EFG 2104 DH ... (4 Replies)
Hi, We are having multiple .sql files generated programatically which is not containing..
create or replace -- at the start
and
/ -- at the end
We need to append those .sql files with the above 2 statements at their respective positions.
We will be really thankful to get responses... (6 Replies)
Hi,
I am new to awk/unix and am trying to put together an awk script to perform an action similar to vlookup between the two csv files.
Here are the contents of the two files:
File 1:
Date,ParentID,Number,Area,Volume,Dimensions
2014-01-01,ABC,247,83430.33,857.84,8110.76... (9 Replies)