WebNov 15, 2011 · Add a comment. 4. If a continuous range of lines needs be, one option might be: gunzip -c file.gz sed -n '5,10p;11q' > subFile. where the lines between 5th and 10th … WebNov 15, 2024 · Print only the lines in the range and redirect it to the output file. sed -n '10,15p' file1.txt > file2.txt head/tail combination. Use head and tail to cut the file and to get only the range you need before redirecting the output to a file. head -n 15 file1.txt tail …

linux - How to get first n characters of each line in unix data file ...

WebJun 26, 2024 · Piping zcat’s output to head -n 1 will decompress a small amount of data, guaranteed to be enough to show the first line, but typically no more than a few buffer-fulls (96 KiB in my experiments):. zcat logfile.gz head -n 1 Once head has finished reading one line, it closes its input, which closes the pipe, and zcat stops after receiving a SIGPIPE … WebDec 21, 2016 · head will consider the whole stream as one single entry. If you pipe a text file into head, you won't get the first X chars of each line, but rather, the first X chars at all (ie. of the first line, period). To print the N first characters you can remove the N+1 characters up to the end of line: margarita while pregnant

gzip - How to get few lines from a .gz compressed file …

WebFeb 24, 2024 · To count the number of lines we will use the following syntax: wc -l . wc -l /var/log/messages 2094 /var/log/messages. The -l flag is used to get the number of lines, the reason for this flag is … WebSep 1, 2024 · To print the first “n” characters, we’ll supply sed with an expression and our alphabets file: $ sed -z 's/^\ (.\ {12\}\).*/\1/' alphabets abcdefghijkl. Copy. The -z option … WebFeb 27, 2024 · Example: Displaying the first line. Open the terminal application and then type the following head command: $ head -1 foo.txt. The following example will show first 3 lines from /etc/passwd or /etc/group file: $ head -3 /etc/group. $ head -3 /etc/passwd. margarita vitamix recipe