Tagged Questions

grep a Unix command-line utility which searches input passed to it for lines matching a regular expression, and prints the results.

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1answer
9 views

Using grep, sed or awk to find words in between? I want to be able to extract the package name until .el7

I am writing a script (bash/command-line) and I want to be able to extract the package name until .el7 x=dbus-sharp (an example package name - which changes) example text file: Building ...
0
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1answer
10 views

Getting xargs: unterminated quote when trying to find text in files

I'm using Mac 10.9.5 with bash shell. I'm trying to search for instances of text within a group of files, but for some reason, in one particular directory, I get this bizarre "Unterminated quote" ...
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21 views

grep not matching patterns in scripted session

Asked this question on the Unix board and got slapped for it. Someone said this was the right place so hopefully that's right. We have a bunch of reports that run on a Linux server and I am trying to ...
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3answers
20 views

How to avoid .git when search for a string using grep

I am trying to make a search in a folder for a string using grep. grep -r "word" . But it is including a search in .git files which I would like to avoid. Thanks
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41 views

How to grep a continuous stream, with paging [on hold]

Inspired by http://stackoverflow.com/questions/7161821/how-to-grep-a-continuous-stream I want to take a log file and filter out some irrelevant log entries, like ones at the INFO level. The above ...
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0answers
24 views

Searching across multiple documents for common words

I have the lyrics to a song. (.txt) I also have lyrics to 50 other songs. I'm looking for a way to analyse/search those 50 song lyrics with the lyrics to the first song, and find which one of the ...
1
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1answer
22 views

How do I insert a constantly changing (dynamic) string from a text document into .conkyrc as an image path

I want to change the Clementine album art with each song. Essentially, I am trying to insert an image path in Conky that changes every few seconds. I have a script clementine.sh that runs every 5 ...
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4answers
47 views

Grep to filter gigantic CSV file

I'm dealing with a CSV file that contains over 2 million lines. Quite a big one. I need to use grep (or any better way) to retrieve the entire row if the value of the second column matches 'jpn' or ...
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2answers
40 views

Grep output from multiple lines in a limited shell environment

I have been scouring the web for ways to search across multiple lines of output and then print the lines which contain the strings I care about. I am actually running this on a checkpoint firewall, ...
0
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1answer
25 views

Preserving newline in find/grep search results

I am recursively searching for the occurrence of php scripts being called from other files using the following script. find . -exec grep -Hn $1 {} \; | grep -v ^Binary; Works great! Now, I need ...
2
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2answers
30 views

Grep in newest file

I'm trying to find a specific line from the newest file I have in subfolders. Files have the same name. So structure is like: Folder SubFolder1 filename.xml SubFolder2 filename.xml I'm ...
0
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1answer
23 views

Return / transform then return pattern with nulls

I'm using grep/sed to parse a large binary file full of nulls for some specific data. This is in a windows environment using gnuwin32. Assuming I had some to return some data from a binary file that ...
0
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2answers
73 views

Correctly display the GNU screen session title in status bar

in GNU screen, I want the title of the session to be displayed in the status bar. It is working but not exactly as I wanted. I have the following backtick defined in my .screenrc: backtick 100 30 30 ...
0
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1answer
22 views

Remove beginnings of email addresses from text using grep or sed

I have a text file with lines like the following: John Stevenson Johnnyboy34 john.stevenson@company.com 0320423\n Mike Anderson AndersMike mike@mikeltd.foo 0234234 How do I remove the "text" ...
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0answers
53 views

Grep errors after fink installation on Mac OS X 10.9.5

I just installed fink on my Mac. At the end of installation I received the following error message (also including the last several lines above the error): checking how to run the C preprocessor... ...
2
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1answer
27 views

Easily print out a spaces between larger data outputs in bash

I'm grepping through a very large web directory, and when I do multiple greps in a row, when scrolling up, it is difficult to tell when one result ends and an other one starts. I tried just clear, ...
0
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1answer
29 views

How to use the awk to print the output

This command nstats gives me output like below. How can I use awk or grep to give me the uptime with only days on it? I cannot use the "" to get the output. HOSTNAME LOAD MEMORY SWAP PROCS ...
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1answer
30 views

Grep on specific directory structures

What I'm trying to accomplish: Search for the regular expression \b\$\w+ in all .php files that fall under this directory structure: foo/templates/*.php bar/templates/*.php ...
0
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1answer
42 views

I'm trying to mirror dns queries generated by TCPDUMP filter and replay them with dig or any other utility

I'm not a very experienced script writer at all. I did find some useful hints in generating an stdout from tcpdump that generates a live feed if you will which is what I want, the problem is handling ...
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0answers
50 views

I broke grep, and I need it to work in order to configure X11 (XQuartz) to run Wireshark. How can I mend it?

This was an X-post from apple.se, now deleted there, since it hadn't attracted any sufficient help. I need to work with Wireshark for my Web Programming class, so any help will be most appreciated. ...
1
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3answers
53 views

How to use grep on a variable or string?

I'm writing a bash script and I need to check if a file name has a number at the end (after a period) and if so get it, but I can't figure out how to use regex on a variable or string. I was able to ...
1
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1answer
24 views

How to make SlickEdit's search results look like Notepad++

I use "find in files" (grep) and the search results very often for navigating code. Currently I use both SlickEdit and Notepad++ at different times. Both applications do this "find in files" but ...
1
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2answers
36 views

Script to join columns

I have two files: The output of yum list installed which is now yum_installed and yum list updates now as yum_updates What I need is to basically join the two files somehow but ONLY based on the ...
-1
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1answer
136 views

Cygwin grep, no such file or directory

This is the first time I'm using Cygwin and I have not so much experience with scripts. I'm trying to grep words out of a XML document and need to get them counted. When I press enter I get a ...
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4answers
94 views

grep “*.JPG” not returning entries ending in .JPG

When I run this command ls -l Documents/phone_photo_vids, I get 100s of entries in the following format. Notice the endings of the images are either PNG or JPG -rw-r--r-- 1 moi staff 189280 ...
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0answers
40 views

Remove grep's line number output in Redhat 5.9

I havent used RH 5.9 until now. I started with 6 but we have some 5.9 servers. The syntax with 5.9 is a bit different with some things. grep for example will output a number line before the actual ...
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0answers
78 views

Get all inactive users on system with 'lastlog' on Redhat 5.9

I need a script that will basically give me the listing of usernames that have been inactive on a system for 90+ days. I use the lastlog command but it seems a bit tricky to try to grep out the time. ...
0
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2answers
89 views

any way to run grep backwards, i.e. from the end of the file and up?

i have a 70G+ log file, and i'd like the most recent entries (apache log append new items at the end) that match a pattern. i can either: run grep | tail or run tail | grep option 1 will take ...
0
votes
1answer
60 views

searching large number of possible file names in large directory tree

I need to search a large directory tree for a large number of possible file names, i.e. I have an input file with a long list of strings that I need to find in the tree (or as below: print all those ...
0
votes
1answer
40 views

How to use grep to match 2 patterns in different area's of a file and output result

I have a 3gb file to which I am trying to extract 2 patterns and output the result so that the information in pattern 1 Lines up with the information in pattern 2 Currently I have to run 2 grep ...
1
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1answer
68 views

How to have grep print only the matching text plus X surrounding characters

I need something similar to grep -A and grep -B but for characters. In other words, I have a file with incredibly long lines, e.g.: [thousands of characters] mytext [thousands of characters] If I ...
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0answers
19 views

“git grep” equivalent in Subversion?

I'm a big fan of git grep. Does an equivalent exist in Subversion?
0
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1answer
19 views

How can I exclude binaries from rgrep results in Emacs?

I'd like to add the I option to the grep that rgrep generates, but I cannot seem to find the appropriate variable. I've tried: grep-command grep-find-command
5
votes
1answer
372 views

How can I perform a second grep on the files returned from a previous grep?

I often find myself searching through a bunch of code using grep in order to pin down what I'm looking for. Sometimes I get a list of files a little longer than I hoped. At this point I want to ...
3
votes
1answer
60 views

Using grep on URLs not working

I've got a couple of text files (a.txt and b.txt) containing a bunch of URLs, each on a separate line. Think of these files as blacklists. I want to sanitize my c.txt file, scrubbing it of any of the ...
0
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1answer
71 views

Run a block conditionally on grep output

I've found a number of solutions to this problem, but unfortunately none of them seem to work on my windows box. I'm running a FOR loop in a batch file to loop through a number of text files. For ...
0
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1answer
37 views

How to get the time information of the files after find | grep keyword command?

Now I know how to use find | grep keyword to get the file I want. But after that, how should I know the size, create_time info of each file I found? For example, after find | grep tutorial, I got ...
0
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1answer
107 views

watching output of “ps aux | grep blah” in tmux will not work?

I am trying to run this - watch "ps aux | grep myShittyProcess" in a tmux session. This process myShittyProcess was also started in a tmux session. The ps aux works without watch command. But as ...
0
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1answer
124 views

grep: Invalid back reference for date expression in tcsh

I googled for the following error, and didn't get any great explanations as to what was going on with grep under tcsh. (Yes, that date expression exists in the log files). $ grep '2014-07-21' *.log ...
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0answers
42 views

Multiple grep command and show after line

I have this command grep -iE -A18 "$(date +"%Y-%m-%d").*error" * | grep -v -A18 'Movig to Error Queue' but the result shows me the 18 line after 'Moving to Error Queue' but I do not want that. I ...
0
votes
1answer
67 views

split a file by a line prefix

My data looks like this: 60 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx 61 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx 62 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx 62 ...
1
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2answers
479 views

Windows XP - How do use grep to find strings in files in subdirectories

I once had a version of grep on my PC (I think it came with an early version of Delphi) which supported searching in nested folders with the -r switch. Now something (I suspect a later version of ...
2
votes
2answers
43 views

Find & replace on a folder of .txt (but only first 1-3 lines)

I have a folder of .txt files. They all look like this: Title: Title of blog post. Tags: tag1,tag2,tag3 Text on the post. Just my thoughts. > A blockqoute Written in *markdown.* Using ...
2
votes
1answer
45 views

Colourized command for grep output

Hey forum! I have recently begun working with Debian and do so in a purely command-line environment. I connect from a windows desktop through puTTY using asymmetric encryption rather than passwords. ...
1
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3answers
61 views

Is there anything grep does better than ack? [closed]

I started using ack a while ago and it's amazing, but still begs the question: Is there anything grep still does better than ack? Or maybe is there something grep does that ack can't do?
0
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1answer
29 views

Extracting part of a large SQL dump

Is there a way to chain commands like grep and head together to extract a portion of a file? The problem is that somewhere in my .sql file I have an old data that I need to compare to new data and I ...
1
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2answers
102 views

grep to display all IPs in a text file (linux)

I'm writing a script to look for a ping from a certian foreign IP, but I am having some trouble understanding how to format my "grep" command.. Inside my text file is the output from "netstat anp" ...
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2answers
46 views

How to retrieve a name from another file with a Bash script?

I would like to grab a name out of another predefined file and use it within my shell script. The file being read would be in ./docs/description.org and the format (a table in .org format) is: ...
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0answers
119 views

cron job monitoring script

greeting of the day!!! please help me a situation, i am trying to develop a script which provides me details which my cron job is commented or stopped which job is running or scheduled. like we ...
1
vote
1answer
95 views

How do I grep a string from files created within the last 5 hours?

I have a directory that is populated every 30 mins with a text file, each day I need to grep the line with "Quality data" on it but I only want to grep from the 10 most recent files. How can I tell ...