How can I reverse the order of lines in a file?

by

Also worth mentioning: tac (the, ahem, reverse of cat). Part of coreutils.

Flipping one file into another

tac a.txt > b.txt

More Related Contents:

  1. How do I copy a folder from remote to local using scp?
  2. Find and replace in file and overwrite file doesn’t work, it empties the file
  3. What are the uses of the exec command in shell scripts? [closed]
  4. How to make grep only match if the entire line matches?
  5. How can I shuffle the lines of a text file on the Unix command line or in a shell script?
  6. How can I execute a command stored in a variable?
  7. How to remove carriage return from a variable in shell script
  8. Use grep –exclude/–include syntax to not grep through certain files
  9. How/When does Execute Shell mark a build as failure in Jenkins?
  10. Compare two files line by line and generate the difference in another file
  11. Floating-point arithmetic in UNIX shell script
  12. Run java jar file on a server as background process
  13. How does the #! shebang work?
  14. Shell command to find lines common in two files
  15. How to download GitHub Release from private repo using command line
  16. Unix find command, what are the {} and \; for?
  17. How can I check the version of sed in OS X?
  18. Compare a string using sh shell
  19. How to kill all processes matching a name?
  20. How to ssh to vagrant without actually running “vagrant ssh”?
  21. Shell one liner to prepend to a file
  22. Is there a “standard” format for command line/shell help text?
  23. How is % (percent sign) special in crontab?
  24. Remove part of path on Unix
  25. What’s the difference between ${varname} and $varname in a shell scripts
  26. How do I determine if a web page exists with shell scripting?
  27. How to run SWI-Prolog from the command line?
  28. Call a Unix Script from Excel Vba
  29. “No such file or directory” but it exists
  30. Unix shell script find out which directory the script file resides?

Leave a Comment