Cat Print Line Number

Explains how to use the cat or nl command to line numbers for your text or program files under Linux or Unix like oses. If I use cat -n text.txt to automatically number the lines, how do I then use the command to show only certain numbered lines. I know how to use head or tail to output a certain number of lines, but how do I output only a specific line number(s)? Something like: head --only-line=73.

Learn how to display line numbers using the cat command in Linux for easier file viewing and code management with simple options. hi, with 'cat -n filename' i can see the contents of filename with the line numbers prefixed to it as follows: 1 Line One 2 Line Two Is there way to. cat Concatenate and print (display) the content of files.

Concatenate FILE (s), or standard input, to standard output. Syntax cat [Options] [File] Options -A, --show-all equivalent to -vET -b, --number-nonblank number nonblank output lines -e equivalent to -vE -E, --show-ends display $ at end of each line -n, --number number all output lines -s. 0 grep -n will print line numbers with the match.

You can translate the first colon produced by grep and all other whitespace to a single space with sed 's/:/ /;s/\s\s*/ /g'. You then want the first and third section, which can be achieved with cut -d ' ' -f 2 --complement Chaining these all together, you would get something like. Learn Bash - Display line numbers with outputUse the --number flag to print line numbers before each line.

Alternatively, -n does the same thing. $ cat --number file 1 line 1 2 line 2 3 4 line 4 5 line 5 To skip empty lines when counting lines, use the --number-nonblank, or simply -b. $ cat.

Need to view a file on Linux? Use the "cat" command. Also learn how to enhance "cat" output with line numbers, plus a few extra tricks. Line number in cat output If you use the -n command line option with cat, your output will contain line numbers.