reverse the order of characters in a string

by

I know you said “without third-party tools”, but sometimes a tool is just too obviously the right one, plus it’s installed on most Linux systems by default:

[madhatta@risby tmp]$ echo 12345 | rev
54321

See rev‘s man page for more.

More Related Contents:

  1. Echo newline in Bash prints literal \n
  2. In the shell, what does ” 2>&1 ” mean?
  3. What is the difference between $(command) and `command` in shell programming?
  4. ssh breaks out of while-loop in bash [duplicate]
  5. Remove a fixed prefix/suffix from a string in Bash
  6. I just assigned a variable, but echo $variable shows something else
  7. Change the current directory from a Bash script
  8. Bash how do you capture stderr to a variable? [duplicate]
  9. How to use aliases defined in .bashrc in other scripts?
  10. Variable containing multiple args with quotes in Bash
  11. Should aliases go in .bashrc or .bash_profile? [duplicate]
  12. How to read user input into a variable in Bash?
  13. How to provide password to a command that prompts for one in bash?
  14. Deleting lines from one file which are in another file
  15. source command not found in sh shell
  16. How to check if a file contains a specific string using Bash
  17. VSCode Change Default Terminal
  18. How to enter ssh password using bash? [duplicate]
  19. What is a unix command for deleting the first N characters of a line?
  20. How do I escape slashes and double and single quotes in sed?
  21. How can I get a recursive full-path listing, one line per file?
  22. How to suppress variable substitution in bash heredocs
  23. Error message on Terminal launch [duplicate]
  24. Exit when one process in pipe fails
  25. How to split a file into equal parts, without breaking individual lines? [duplicate]
  26. Jenkins pipeline sh fail with “cannot run program nohup” on windows
  27. Translating OS X Bash Script for Windows
  28. Read n lines at a time using Bash
  29. Missing Carriage Return in Docker for Mac Containers
  30. How do I kill a backgrounded/detached ssh session?

Leave a Comment