All Questions
84
questions
0
votes
1
answer
233
views
How to escape this bash script's string?
This is my foo.sh:
#!/bin/bash
sed -i -- 's/<meta http-equiv="Content-Security-Policy" content="default-src * data: blob: 'unsafe-inline' 'unsafe-eval' ws: wss:;">/<meta my custom meta>/...
- 1
2
votes
1
answer
257
views
Why do my single quotes vanish on substitution with sed
What is the right command for:
sudo sed -i '/, false);/adefine( 'WP_MEMORY_LIMIT', '64M' );' /var/www/html/wp-config.php
The result is:
define( WP_MEMORY_LIMIT, 64M );
instead of the desired:
...
- 53
45
votes
1
answer
52k
views
using sed with ampersand (&)
I'm using sed to find and replace patterns within SAS files I have rather than changing them individually. The problem is I am trying to replace macro variables and when I use the ampersand it is not ...
- 553
1
vote
3
answers
236
views
Unable to use a escape sequences in a variable in a sed command
I'm using sed to highlight a column in the output of a ps command, and it works fine if I hard code the color code. However, the color needs to be dynamic, so I tried moving it to a variable, and ...
- 495
1
vote
1
answer
764
views
Rewrite a find command that uses sed -i for AIX
I have a script that searches for a string and replaces it via the sed command. If that string contains special characters, the script will escape them (except for the slash because it's my current ...
4
votes
4
answers
18k
views
Bash converting path names for sed so they escape [duplicate]
I'm having a problem with a script. It is meant to change a value in a file called %DIR% so that it becomes a path name. The problem is the slashes in the directory name upset sed, so I get weird ...
- 1,990
2
votes
5
answers
92
views
Editing a sed statement
I'm writing a script to change on the fly the firefox home page through a text variable:
sed -i 's|\("browser.startup.homepage",\) "\(.*\)"|\1 "$ddrs"|' /home/max/.mozilla/firefox/*.default/prefs.js
...
- 365
2
votes
2
answers
2k
views
Insert text in specific lines of a file? with special characters
I know this has been answered several times, but I can't figure out how to use it for my project.
I have several php files and want to add a new string between line 11 and 12.
this is the string I ...
0
votes
3
answers
6k
views
How to correctly use quotes in sed? [duplicate]
For example I want to change
"'this text'"
"that text"
'other_text'
into
'this text'
"that text"
'other_text'
I tried
sed -e 's/^"\'/"/g'
but my quoting must be off.
Ubuntu.
- 42.5k
81
votes
2
answers
266k
views
Slash and backslash in sed [duplicate]
I want to use sed to change a slash into a backslash and a slash, i.e. / -> \/. But it does not work. Here a small example:
#!/bin/bash
TEST=/etc/hallo
echo $TEST
echo $TEST | sed "s/hallo/bello/g"
...
- 1,417
0
votes
2
answers
107
views
sed replace ;" content with ';"
I have files that contain ;" and I need it replaced with ';"
The following sed command does not work:
sed -i "s/;"/';"/g" /root/bashy.sh
How can I do this? The solution doesn't have to be sed.
- 3,033
2
votes
1
answer
1k
views
How do I properly escape this long su + sed command?
#!/bin/bash
wineuser=tom
su $wineuser -c "sed -i '$ialias ptgui "wine ~/.wine/drive_c/Program\ Files/PTGui/PTGui.exe\"' /usr/people/$wineuser/config/cshrc.csh"
The acutal line inserted to tom's cshrc....
- 147
0
votes
3
answers
4k
views
How can I add a line including single quotes to a file with sed [duplicate]
I want to append the following line to a text file with sed:
gem 'forum2discourse'
I've tried sed -i '$a gem \'forum2discourse\'' Gemfile but this drops me to a > prompt so I think I must be ...
- 3,502
6
votes
1
answer
678
views
Why can't I escape the braces "]" in sed?
Question: Why can't I escape the "]"?
$ printf "*#$@~\!&*()[]\n"
*#~\!&*()[]
$ printf "*#$@~\!&*()[]\n" | sed 's/[*#$@~!&*()\[\]]//g'
*#~\!&*()
$
- 1,519
1
vote
1
answer
5k
views
Using sed to replace a string with special chars with another string with special characters
I'm trying to automate switching out a bash prompt for another in .bashrc
Original String:
PS1='${debian_chroot:+($debian_chroot)}\[\033[01;31m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
...
- 11