How to extract number of lines from file?
I need to extract a set number of lines from a file given the start line number and end line number. How could I quickly do this under unix (it’s actually Solaris so gnu flavour isn’t available).
How to get the first line of a file in Excel?
The “head -x” part of the command will get the first x lines of the files. It will then redirect this output to the tail command. The tail command will display all the lines starting from line number x. Quite obviously, if you take 13 lines from the top, the lines starting from number 13 to the end will be the 13th line.
How to extract all lines starting with Bihar?
I want to grab all the lines that start with BIHAR and then output it to another separate csv file. How do I do that? I have tried using sublime’s “Find All” feature and then use the right arrow to the end of the line to highlight them, but unfortunately some lines are much longer than the others so it doesn’t work.
How to find all lines in A.TXT file?
I have tried using sublime’s “Find All” feature and then use the right arrow to the end of the line to highlight them, but unfortunately some lines are much longer than the others so it doesn’t work. There are about 100’000 lines in the .txt file.
How to extract numbers from a string in Linux?
(Note that in the expression above, [^0-9] may look like a regex atom, but it is not.) You can read about this form or Parameter Expansion in the bash man page. Note that $ {string//this/that} (as well as the <<<) is a bashism, and is not compatible with traditional Bourne or posix shells.
How to get numbers out of a string?
Note that $ {string//this/that} (as well as the <<<) is a bashism, and is not compatible with traditional Bourne or posix shells. This would be easier to answer if you provided exactly the output you’re looking to get. If you mean you want to get just the digits out of the string, and remove everything else, you can do this:
How to print lines from an input file?
Execute the command “man sed” for details. For your second question, I’d transform the input file into a bunch of sed (1) commands to print the lines I wanted. with awk it’s as simple as: