I‘m using Debian Linux as my development workstation. I would like to search a directory called ~/projects/ recursively for “foo” word only for *.txt files. How do I search all text files in ~/projects/ for “foo” word using grep command?
I would like to search and find all files which contain a word called “main()” for all directories located in $HOME/project/school. How do I use the grep command to find text including all subdirs under Unix or Linux operating systems?
I got over 100s of HTML files in the following format:
my data 1
my data 2
my data 3
my data 10000
my data N times
How do I extract text between two words (<PRE> and </PRE>) in unix or linux using grep command?
How do I find out out details about my FreeBSD based Laptop battery status and other information from command prompt? Howto do I check battery charge status at shell prompt?
How do I see a list of all exported variables and functions under Unix bash shell?
How do I count words using grep command under Linux / Unix like operating systems?