Finding nth line across multiple files Post: 302458755

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

Finding nth occurrence in line and replacing it

Hi, I have several files with data that have to be imported to a database. These files contain records with separator characters. Some records are corrupt (2 separators are missing) and I need to correct them prior to importing them into the db. Example: ...

2. UNIX for Dummies Questions & Answers

Finding Names in multiple files

What's the best way to see if a common name exists in two separate files?

3. UNIX for Dummies Questions & Answers

Finding names in multiple files - second attempt

I couldn't find the original thread that I created and since I didn't get a definitive answer, I figured I'd try again. Maybe this time I can describe what I want a little better. I've got two files, each with thousands of names all separated by new line. I want to know if 'name in file1'...

4. Shell Programming and Scripting

multiple regex finding in files

Hello folks, I have a text file aa.txt that contains below text (\')|(\-\-) ((\%3D)|(=)) 20%0d% i want to search each line pattern in /opt/1.log and /opt/2.log. Can some one suggest

5. Shell Programming and Scripting

extract nth line of all files and print in output file on separate lines.

Hello UNIX experts, I have 124 text files in a directory. I want to extract the 45678th line of all the files sequentialy by file names. The extracted lines should be printed in the output file on seperate lines. e.g. The input Files are one.txt, two.txt, three.txt, four.txt The cat of four...

6. Shell Programming and Scripting

finding multiple files using find command

I am trying to search for 2 files using the find command as below find -name file1.txt -a -name file2.txt It doesn't give a result although the files exist in the folder, however when i try the following find -name file1.txt -o -name file2.txt It does give me the result. ./file2.txt...

7. UNIX for Dummies Questions & Answers

finding the nth match

I have a file that has information for a person....each person gets 3 or more lines to describe them. I was hoping to match person 1, then person 2.....BUT I do not know how to tell grep I only want the first (2nd, 3rd or nth) match. The alternative is doing line by line logic, which is fine...

8. Shell Programming and Scripting

Finding Nth Column

Please help me how can I display every nth field present in a "|" delimited file. Ex: If a have a file with data as a|b|c|d|e|f|g|h|k|l|m|n I want to display every 3rd feild which means the output should be c f k n Please help me.

9. Shell Programming and Scripting

finding matches between multiple files from different directories

Hi all... Can somebody pls help me with this... I have a directory (dir1) which has many subdirectories(vr001,vr002,vr003..) with each subdir containing similar text file(say ras.txt). I have another directory(dir2) which has again got some subdir(vr001c,vr002c,vr003c..) with each subdir...

10. Shell Programming and Scripting

Calculating average for every Nth line in the Nth column

Is there an awk script that can easily perform the following operation? I have a data file that is in the format of 1944-12,5.6 1945-01,9.8 1945-02,6.7 1945-03,9.3 1945-04,5.9 1945-05,0.7 1945-06,0.0 1945-07,0.0 1945-08,0.0 1945-09,0.0 1945-10,0.2 1945-11,10.5 1945-12,22.3...

LEARN ABOUT CENTOS

grub-render-label

GRUB-RENDER-LABEL(1)                                               User Commands                                              GRUB-RENDER-LABEL(1)

NAME

       grub-render-label - generate a .disk_label for Apple Macs.

SYNOPSIS

       grub-render-label [OPTION...] [OPTIONS]

DESCRIPTION

       Render Apple .disk_label.

       -b, --bgcolor=COLOR
              use COLOR for background

       -c, --color=COLOR
              use COLOR for text

       -f, --font=FILE
              use FILE as font (PF2).

       -i, --input=FILE
              read text from FILE.

       -o, --output=FILE
              set output filename. Default is STDOUT

       -t, --text=STRING
              set the label to render

       -v, --verbose
              print verbose messages.

       -?, --help
              give this help list

       --usage
              give a short usage message

       -V, --version
              print program version

       Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options.

REPORTING BUGS

       Report bugs to <bug-grub@gnu.org>.

SEE ALSO

       The  full  documentation  for grub-render-label is maintained as a Texinfo manual.  If the info and grub-render-label programs are properly
       installed at your site, the command

              info grub-render-label

       should give you access to the complete manual.

grub-render-label (GRUB) 2.02-2ubuntu8.3                             July 2018                                                GRUB-RENDER-LABEL(1)