How do I replace newline (\n) with sed under UNIX / Linux operating systems?
am a new Unix system user with a bash as a default shell. I can append text to a file using >> operator but how do I prepend a text to a file? I want the opposite operation of >>? How can I prepend some data to a text file?
ost Linux and UNIX-like system configuration files are documented using comments, but some time I just need to see line of configuration text in a config file. How can I view just the uncommented configuration file directives from squid.conf or httpd.conf file? How can I strip out comments and blank lines on a Linux or Unix-like systems?
Q. How do I find the text between the strings FOO and BAR inclusive using sed command line option?
Continue reading “Sed Find and Display Text Between Two Strings or Words”
Q. How do I perform a case-insensitive search using sed under UNIX / Linux? I’d like to match all combination of word – foo, FOO, FoO and so on while replacing or performing other operations.
Q. How do I insert a newline into the RHS of a substitution using sed under Linux / UNIX like operating systems? My line pattern is as follows:
This is a test. This is another input.
I’d like to insert a newline after dot (.).
Q. How do I remove all digits or number from my text file or input using sed command?