Differences

This shows you the differences between two versions of the page.

--- docs:tips_n_tricks:bash.html [09.03.2024 01:48 CET] – created peter
+++ docs:tips_n_tricks:bash.html [07.04.2024 15:23 CEST] (current) – [Undo edits in history] peter
@@ Line 4: / Line 4: @@
   bind 'set revert-all-at-newline on'
-__References__: [[https://superuser.com/a/593739|Superuser - How can I reset an edited history line in Bash?]]
+__References__:
+  * [[https://superuser.com/a/593739|Superuser - How can I reset an edited history line in Bash?]]
+  * [[https://superuser.com/a/302252|Superuser - How to prevent Bash from altering history?]]
+  * [[https://unix.stackexchange.com/a/131712|Unix Stackexcange - Is there any way to undo a bash history modification?]]
-"It's even more complicated. Bash seems to restore the originally executed command, if you go back to its modified version using up, erase that one completely (C-u), press enter, and then again go back in the history. Don't ask me why. – Uwe May 8, 2013 at 12:02"
+===== History operations =====
+==== Save history without exiting bash ====
+  history -A
+==== Show history with full timestamps ====
+  HISTTIMEFORMAT='%Y-%m-%d %H:%M:%S ' history
+==== Undo edits in history ====
-__References__: A comment to [[https://superuser.com/a/592925|Superuser - How can I reset an edited history line in Bash?]]
+|M-r (or ESC,r) |Restore last version|
+|//erase line and press ENTER//|:::|
+|C-x,C-u        |Undo last key|
+|C-_            |:::|
+|C-/            |:::|
+__References__:
+  * [[https://stackoverflow.com/a/38961073|Prevent accidental history editing in bash]]
+  * [[https://superuser.com/a/592958|How can I reset an edited history line in Bash?]]
+  * A comment to [[https://superuser.com/a/592925|Superuser - How can I reset an edited history line in Bash?]]
+===== Bash Prompt =====
+*  http://ceving.blogspot.com/2015/10/limit-length-of-path-in-bash-prompt.html