Making your work easy with linux command

To replace a string with a new string in all files within a Linux environment, you can use the sed command. Here's an example of the command:

find /path/to/directory -type f -exec sed -i 's/old_string/new_string/g' {} +

Let's break down the command:

find /path/to/directory: Specifies the directory path where you want to search for files. Replace /path/to/directory with the actual directory path.

-type f: Specifies that you are only interested in regular files (not directories or other file types).

-exec sed -i 's/old_string/new_string/g' {} +: Executes the sed command with the specified parameters. The s/old_string/new_string/g part is the sed substitution pattern where you replace old_string with new_string. The -i option ensures that the changes are made directly in the files.

Make sure to replace old_string with the string you want to replace and new_string with the new string you want to insert.

Running this command will search for all files within the specified directory and its subdirectories, replacing the old_string with the new_string in each file.

To display all lines below a particular string in Linux, you can use the grep command with the -A option and specify a large enough number to include all lines. Here's an example:

echo "Line 1
Line 2
Line 3
Line 4
Line 5
Line 6" | grep -A 9999 "Line 3"

This command will output:

Line 3
Line 4
Line 5
Line 6

egrep '^(SAPSYSTEM|INSTANCE_NAME|SAPGLOBALHOST|SAPLOCALHOST|SAPSYSTEMNAME|SAPSYSTEMNR|DIR_INSTANCE|DIR_HOME|DEFAULT_PROFILE|SAPPROFILE|SAPDATA_HOME|SAPTRANSHOME|DIR_EXECUTABLE|DIR_GLOBAL|DIR_HOME_LOG|DIR_HOME_WORK)=' /path/to/instance/profile

grep -E '^(DBHOST|DBNAME|DBSYSTEM|DBINSTANCE|DBUSER|DBPASSWORD|DBCONNECT|DBMS_TYPE|DBMS_HOST|DBMS_PORT|DBMS_SCHEMA|MSSOCN|DBSL_VENDOR|DBSL_CONNECT_STRING)=' /path/to/instance/profile

check the github link