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linux:general_bash-ery [2023/03/28 00:52] – [General Bash-ery] mgupton | linux:general_bash-ery [2023/04/10 11:35] (current) – [Command Delimiter] mgupton |
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* ''Meta + y'', cycle through previous values in clipboard | * ''Meta + y'', cycle through previous values in clipboard |
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=== Command Line Search === | === Command Line History Search === |
Use Ctrl-r to reverse search command history and Ctrl+s to forward search. ''Esc'' selects the current line and restores it to the active command line. ''Ctrl + G'' cancels the history search without recalling a line to the active command line. | Use ''Ctrl + r'' to reverse search command history and ''Ctrl + s'' to forward search. ''Esc'' selects the current line and restores it to the active command line. ''Ctrl + g'' cancels the history search without recalling a line to the active command line. |
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| Add the following to the ''bashrc'' to disable the flow control function of ''Ctrl + s'' |
<code bash> | <code bash> |
stty -ixon # enabled forward search with Ctrl+s by disabling XON/XOFF flow control | stty -ixon # enabled forward search with Ctrl+s by disabling XON/XOFF flow control |
* ''history -a'', append the current session history to the history file | * ''history -a'', append the current session history to the history file |
* ''history -s <cmd line>'', save the specified command line to history without executing it. Alternatively, prefix a line with the comment character (#) and it will be saved to history as a comment. | * ''history -s <cmd line>'', save the specified command line to history without executing it. Alternatively, prefix a line with the comment character (#) and it will be saved to history as a comment. |
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| ====== Command Delimiter ====== |
| Automatically run a command after every command ran in the shell that prints a line that includes the current time. It makes it easier to spot commands being ran when scrolling back in the terminal. |
| <code bash> |
| PROMPT_COMMAND='printf "\e[32m---------------------------$(date +%Y-%m-%dT%H:%M:%S%z)---------------------------\n\e[0m"' |
| </code> |
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| Example output |
| <code> |
| ---------------------------2023-04-07T21:12:28+0000--------------------------- |
| </code> |
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