Save modifications in place with awk

by

In GNU Awk 4.1.0 (released 2013) and later, it has the option of “inplace” file editing:

[…] The “inplace” extension, built using the new facility, can be used to simulate the GNU “sed -i” feature. […]

Example usage:

$ gawk -i inplace '{ gsub(/foo/, "bar") }; { print }' file1 file2 file3

To keep the backup:

$ gawk -i inplace -v INPLACE_SUFFIX=.bak '{ gsub(/foo/, "bar") }
> { print }' file1 file2 file3

More Related Contents:

  1. How to merge two files using AWK? [duplicate]
  2. Split one file into multiple files based on delimiter
  3. GROUP BY/SUM from shell
  4. Finding contents of one file in another file
  5. Uppercasing First Letter of Words Using SED
  6. Linux grep command with relevant values as output
  7. Filter log file entries based on date range
  8. Get exit code of a background process
  9. What’s the magic of “-” (a dash) in command-line parameters?
  10. How to get overall CPU usage (e.g. 57%) on Linux [closed]
  11. Sorting multiple keys with Unix sort
  12. What does `set -x` do?
  13. Does “argument list too long” restriction apply to shell builtins?
  14. Given two directory trees, how can I find out which files differ by content? [closed]
  15. How to split CSV files as per number of rows specified?
  16. How does SIGINT relate to the other termination signals such as SIGTERM, SIGQUIT and SIGKILL?
  17. Fast Concatenation of Multiple GZip Files
  18. Linux/Unix man page syntax conventions
  19. Is the UNIX `time` command accurate enough for benchmarks? [closed]
  20. Removing Windows newlines on Linux (sed vs. awk)
  21. Concatenating Files And Insert New Line In Between Files
  22. Is gettimeofday() guaranteed to be of microsecond resolution?
  23. How to compare two DateTime strings and return difference in hours? (bash shell)
  24. How do I get cURL to not show the progress bar?
  25. Using `date` command to get previous, current and next month
  26. Joining multiple fields in text files on Unix
  27. Extract lines between two patterns from a file [duplicate]
  28. Forking vs Threading
  29. What are the rules for valid identifiers (e.g. functions, vars, etc) in Bash?
  30. What is PATH on a Mac (UNIX) system?

Leave a Comment