I am moving away from AMPPS / MAMP and looking to build a dev environment as close to the production environment as possible.
As such, I am using Vagrant / VirtualBox on my Mac with CentOS 6.4 64bit os box installed.
In my vagrant file, I have a provisioning script:
config.vm.provision :shell, :path => "bootstrap.sh"
And at the moment, my bootstrap.sh looks as follows:
#!/usr/bin/env bash
# Install the remi repos
sudo rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm
# Update the repositories
sudo yum -y update
sudo yum -y --enablerepo=remi,remi-php55 install php-pecl-apc php-cli php-pear php-pdo php-mysqlnd php-pecl-memcache php-pecl-memcached php-gd php-mbstring php-mcrypt php-xml
Now I have my apache server installed, I want my bash script to edit the /etc/httpd/conf/httpd.conf
file and change AllowOverride None
to AllowOverride All
in my html directory.
<Directory "/var/www/html">
...
Options Indexes FollowSymLinks
...
# Need to change this to AllowOverride All via bash script
AllowOverride None
...
Order allow,deny
Allow from all
</Directory>
Here is a nice oneliner for you:
sed "$(grep -n "AllowOverride None" input.file |cut -f1 -d:)s/.*/AllowOverride All/" input.file > output.file
For the breakdown:
grep -n "AllowOverride None" input.file
returns the lines that match the pattern, preceeded by the line number cut -f1 -d:
cuts the string and returns the first number it encounters sed "$LINE_NUMBERs/.*/AllowOverride All/" input.file
puts "AllowOverride All" at the line n° $LINE_NUMBER
You then just have to redirect the output to the file you want.
Et voila !
Use Linux SED command to search & replace a line between two patterns
Another nice solution is to use the SED command to search & replace a line between two patterns. In your case the patterns would be:
'<Directory "/var/www/html">' and </directory>'
This way you replace only the line 'AllowOverride None' inside your html directory (<Directory "/var/www/html">)
and not every line that contains 'AllowOverride None' in your httpd.conf file.
The command SED supports patterns ranges in this form:
sed '/startpattern/,/endpattern/ <sed-commands>' file
In your case, this becomes:
sed -i '/<Directory "\/var\/www\/html">/,/<\/Directory>/ s/AllowOverride None/AllowOverride all/' /etc/httpd/conf/httpd.conf
The -i option is used to edit files in place. If you don't use the option -i, then the modified output will be printed on the screen and the file wouldn't be modified!
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