"sed" ("stream editor") is a Unix utility that parses and transforms text files.
0
votes
1answer
21 views
sed command working in command line but not in script
I have a script with the follow code:
find . -name "*.html" -print0 | while IFS= read -r -d '' n; do
sed -i -r 's/<font ...
1
vote
1answer
13 views
Generate CSV/TXT file from named zone file
I am in need of generating a csv/txt file from a zone file on a named DNS server.
For examples I would like to generate a list of the hostname and IP from the zone file
From this
monkey A ...
0
votes
2answers
31 views
Why escaped single quote doesn't work in grep?
I am trying to match a string:
* * * * * /usr/local/bin/growlnotify -t 'helloTitle' -m 'helloMessage' -n 'myApp' -sw
with:
crontab -l | grep '^[^#].*/usr/local/bin/growlnotify.*\-n \'myApp\'.*$'
...
0
votes
2answers
35 views
Substituting a multi-line pattern in an HTML file
I have a series of HTML files that contain two lines like this:
<body>
<h1>Title</h1><p>
<a href="url">Description</a><br>
I want to replace this text with ...
0
votes
2answers
45 views
Replacing a dot with an underscore in a file using sed
I was trying to edit the output of a file using sed. The contents of file are
cat /tmp/Group_RM
t.p@k.p
t.m@k.k
I was trying to get the output as:
cat /tmp/Group_RM
t_p@k_p
t_m@k_k
I tried the ...
1
vote
1answer
38 views
netcat output into separate files using string delimters
I want netcat to pipe the output of a tcp/ip connection to commands that examine the output and split it into distinct files separated by the strings "msg" and "/msg" from the output, something like
...
0
votes
1answer
42 views
Counting by number of occurrences in first column
I have an input file like this:
ATTACK-RESPONSES id check returned root
BACKDOOR ACKcmdC trojan scan
BACKDOOR hack-a-tack attempt
BACKDOOR WinCrash 1.0 Server Active
ICMP Destination Unreachable ...
-1
votes
1answer
25 views
Inserting a string with sed
I need help to find and insert a string of characters using sed:
Before:
"AdminHostName" value=""
After:
"AdminHostName" value="my-text"
3
votes
1answer
49 views
Using grep to remove lines from a file which contain a string from another file
I have a file containing words (one per line) such as
Dog Fish Cat Shoes
I have a secondary file in CSV format such as
1,shoes,red 2,apple,black 3,fog,blue
I would like to use grep with ...
0
votes
1answer
42 views
Perl or Sed to remove a web virus
I recently ran across a bit of code injected to all of the files on a web site and I need to use perl or sed to remove it across all the files.
I am having trouble coming up with the exact pattern ...
5
votes
3answers
103 views
sed: how to replace line if found or append to end of file if not found?
With a single input file that only contains comments (starting with #) and VARIABLE=value lines, is it possible to replace a value for a single variable if found and, otherwise, append the pair to the ...
0
votes
1answer
70 views
Mass migration of EXIF GPS data (a.k.a. Escape from iPhoto)
I am trying to move my library of photos (over 12000) out of iPhoto for use in Adobe Lightroom and would like to include the GPS data I've added to the photos using iPhoto's in-app feature (This data ...
0
votes
2answers
40 views
Deleting line from file using SED in MultiUser Case
I have a scenario where multiple users are connected to a server using SSH.
I have a file which is read and written by all the users.
The file contains numbers like this -
14554
14887
23451
15135
...
0
votes
3answers
64 views
Match and remove first and second pattern within xml tags
How can I match and remove first and second pattern within xml tags using sed or awk?
Here is the example
<data>A78-1-1134-HI-1</data>
<data>T78-12-1346-AG-2</data>
...
2
votes
3answers
64 views
Using sed to change output format
How can I use sed to change the output format of a text file?
My text file contains and diplays this when I call cat:
9/27/2002
9/28/2002
10/1/2002
10/2/2002
10/10/2002
10/11/2002
12/29/2002
...
0
votes
1answer
69 views
Replace string with another string shell script
I have a file in the format:
"data","data","data",data".
Now if data has a " in it, then my parser cannot parse the file. So I want to use sed to replace " with """ but not where it sees "," as that ...
1
vote
1answer
40 views
What does `-e` option in sed do?
I am trying to understand a shell script that uses sed. I found that there were some places where sed was invoked with the -e option.
I tried to see the man page and it just mentions,
-e command
...
0
votes
2answers
48 views
Deleting all word occurences with sed preserving linefeed
I'm trying to delete a word's all occurences in a text file with sed. I have this file f1:
alma a fa
alatt
nyari piros alma
and I'd like to delete all occurences of "alma". I use the ...
-1
votes
2answers
53 views
Replace all numbers following a specific string with another number using sed or awk
I have tried several things but got no luck. I have an input file that has a lot of fields like this one
weight=0.123456
mixed with other fields. I want to multiply all such weights by a factor, say ...
0
votes
3answers
46 views
Removing first line with pattern with _both_ awk and sed
Fairly easy. I'm looking for the simplest approaches in both sed and awk for removing the first line in a file that contains a specific string.
0
votes
1answer
28 views
Enable an epel repo via script?
I'm installing the Epel repo via a shell script, the repo comes by default disabled, I would like to enable it so the script can install further packages.
The following install the Epel repo:
yum ...
1
vote
0answers
56 views
error occur when i run awk command write in .sh file and run in cygwin terminal
i have cygwin terminal for run shell script(.sh ) file...it work good..but when i add awk command in shell script and then run Error occur
/usr/bin/gawk.exe: error while loading shared libraries: ...
1
vote
1answer
40 views
Skype: Decode time stamps
I'm trying to extract the chat history between myself and my SO on Skype for OSX. I've managed to pull out the information and strip out the unnecessary XML formatting with the following command:
...
3
votes
5answers
237 views
Using sed to remove digits and white space from a string
I am trying to remove the first occurence of digit(s), the dot, the second occurence of digit(s) and the space before the word.
I have come up with this regex:
sed 's/^[0-9]\+.[0-9]\+\s//' input.txt ...
0
votes
1answer
26 views
Incorrect version of sed when compiling on OSX
I am trying to install crosstool-ng on OSX 10.6.8. At the configure stage, I run ./configure --prefix=/opt/cross, and I get the following output:
! ./configure --prefix=/opt/cross
checking build ...
3
votes
2answers
125 views
SED: How can I print every line after first instance of string using Sed?
I have a file with a similar format...
16:28 asdfasdf
16:29 4398upte
16:30 34liuthr
16:31 34tertio
How can I use SED to print out every line including and after the line with "16:30"?
The result ...
1
vote
1answer
56 views
Subtract files from one another recursively between two similar directories
I'm trying to concoct a way to grab two (nearly identical) directories and show me the difference between all files in the two directories.
Looking for two different things:
1- List all files ...
1
vote
1answer
181 views
How to use variables in sed on Windows?
I'm writing a batch script to automate build events on Windows, and as part of it I need to change some lines in a few files. So I'm going to use sed. But how do I use variables in sed inside a batch ...
0
votes
1answer
92 views
Grep issue (match two strings on same line)
Here I have some grep command which is not working correctly:
cat file1.txt:
apples
Date: Sun, 24 Feb 2013 8:14:06 -0800
peaches melons
cherry sky cloud
green purple
yellow
cat file2.txt:
apples
...
0
votes
3answers
53 views
Advanced sed command
I have a file (/usr/test.log) with a bunch of lines, of the form
[enable/disable] [name] [stuff]
For example:
enable telnet max_pkt 0 max_payload 0 min_payload 1 disable_function 0 ...
1
vote
1answer
75 views
why is it true that three backslashes are needed on windows for sed replace
Refering to this question:
Why is an extra \needed in cmd.exe to work with sed (MinGW msys-1.0) when \ is not a special character according to cmd /? (see last paragraph or here)?
The following ...
0
votes
1answer
138 views
Multi-line find and replace across multiple files on linux
I have:
Old Google analytics tracking code oldcode.txt
New Google analytics tracking code newcode.txt
100+ html files *.html in one directory
Is it possible to replace former with latter in all ...
1
vote
3answers
115 views
matching start of the line in cygwin regexp
I apply sed 's/^ bug*/__/' to
ref bug
bug ref
and get
ref __
__ ref
The same is responded for perl, perl -ni -e 's/^ bug/__/; print'. Sample file can be downloaded ...
0
votes
1answer
153 views
Search & Replace Using Grep and Sed Command
I want to remove the weird / special characters from the bunch of text files. Here i used the following command to remove the weird characters but it gives me the error.
Command :
1) grep -lri -e ...
0
votes
3answers
135 views
Bash: Find and replace text strings
I figured this would be easy, but I'm overlooking something simple:
I have a text file called test. It contains, for example, the string Alfred Hitchcock. I want to replace this with Alfred\ ...
0
votes
1answer
81 views
Combining multiple data files with header while also adding a data column
I have multiple tab delimited data files that are separated by month in the format jan06.txt, feb06.txt, ..., dec07.txt.
Within each file, it looks something like:
Header1 Header2 Header3 ...
Data1 ...
2
votes
3answers
183 views
How to replace one line for multiple lines in a file, programatically?
I have this config file I want to edit programatically. I always use sed to make small changes, but now I need to replace 1 line for multiple lines, something like this:
some code
# maintenance ...
8
votes
1answer
129 views
How to make sed omit not matching lines?
In the following example, sed matches lines starting with an a or a c and prints the first character of that line (a or c):
$ echo "ag
bh
ci
dj
ek
fl" | sed 's/\(a\|c\)./\1/' # Matches lines starting ...
1
vote
4answers
193 views
Batch renaming of files using regular expression in Unix
I have several thousand files of the form:
[8-digit number]_[number I want]_S60491_I129111.dcm.
I wish to remove everything except the number I want, and use that as its name. In Ruby, I can get to ...
0
votes
1answer
48 views
Why SED man -i option doesn't have description?
My Sed's man outputs this:
Zero- or One- address commands
= Print the current line number.
a \
text Append text, which has each embedded newline preceded by a backslash.
i \
...
0
votes
4answers
78 views
How do I move a line in a file to the top from the command line?
I would like to move a path in a file to the top of the file. Each path is listed 1 per line. How do I move /someplace/2nd/ to the top using only the command line?
/someplace/1st/
/someplace/2nd/
...
2
votes
3answers
191 views
How can cat/print a file except the last 2 lines?
How can get a file, except the last (for instance) 2 lines, with standard or GNU shell tools? (bash, tail, cat and so on.)
3
votes
4answers
103 views
How to replace a list of strings by another list
I have a file which has (many) strings I'd like to replace, so I thought about using a simple command like:
sed 's/string1/string2/g' file1 > out
However, there are too many strings for that ...
3
votes
2answers
119 views
Unix HP-UX ksh recursive find and replace
I am trying to do a recursive find and replace in HP-UX and am missing something.
What I have at the moment:
find . -name "*.java" | xargs sed 's/foo/bar/g'
I know the problem is that it's not ...
0
votes
2answers
242 views
sed regex remove special characters
I have a file with several strings that come from an HTML formated text, so they have some HTML sequences that doesn't look good in a console interface. Here's an example:
Text1™
...
1
vote
0answers
71 views
sed without regex
I am using GNU SED for find and replace functionality on large files(upto 2GB).
Find and replace characters can contain any characters, hence I want find and replace parameters to be treated as plain ...
1
vote
1answer
130 views
Remove characters from column 'n' until end-line
I have a huge text file. This file has many lines and most of them have more that N characters before end-line.
How can I use sed to truncate lines from Nth character until the end of line?
Note: ...
0
votes
1answer
191 views
replace long text with special characters with sed
I am using sed in unix to replace some text with special characters in a file. I google it and find the following command
sed 's/from/to/g' file.txt
here 'from' is the original text being replaced, ...
0
votes
4answers
92 views
Simple script parsing text, what is wrong here?
I'm a big user of https://www.grc.com/passwords.htm to get strong passwords. However, having to go to the site and manually copy the password every time gets old fast, so I decided to do a little ...
0
votes
1answer
659 views
How to append text to a specific lines in a file using shell script?
I have a text file (file.txt) having content something like:
foo1 3464
foo2 3696
foo3 4562
It contains the process and respective PID.
Using shell script, I want to append a string (running/not ...
