diff options
| -rw-r--r-- | README.md | 10 | ||||
| -rw-r--r-- | bash-prompt.sh | 9 | ||||
| -rw-r--r-- | screenshot.png | bin | 0 -> 14281 bytes |
3 files changed, 18 insertions, 1 deletions
@@ -5,7 +5,7 @@ a status line in the bottom-most line of the terminal screen. The status line shows the date, host name and current directory (possibly abbreviated to fit). -I use this in conjunction with a simple prompt: +This allows me to have a simple prompt: ::text PS1='\$ ' @@ -19,6 +19,14 @@ for instance by adding this line to `~/.bash_profile`: This requires Bash 4.4 or higher. +## Screenshot + + + +The clock actually updates. The code launches a background +process which periodically the SIGALRM signal to the shell, +whose trap calls the `update_status_line` function. + ## License This is under distributed under a modified two-clause BSD license. diff --git a/bash-prompt.sh b/bash-prompt.sh index 587b6ed..771207a 100644 --- a/bash-prompt.sh +++ b/bash-prompt.sh @@ -66,6 +66,15 @@ update_status_line() PROMPT_COMMAND='update_status_line' +if ! [ $update_status_alarm ] ; then + trap update_status_line ALRM + while true; do + sleep 15 + kill -ALRM $$ + done & + update_status_alarm=$! +fi + # Copyright 2023 # Kaz Kylheku <kaz@kylheku.com> # Vancouver, Canada diff --git a/screenshot.png b/screenshot.png Binary files differnew file mode 100644 index 0000000..5bc675a --- /dev/null +++ b/screenshot.png |
