Today it became known about the release of a new version of the GNU Bash 5.1 command interpreter . It took two years to develop it. In addition, there is more news - the release of the readline 8.1 library has been formed , which is used in bash to organize command line editing.
About what's new and useful - under the cut.
- . SRANDOM, 32- . LCRNG getrandom/getentropy, /dev/urandom arc4random. , , , .
- , PROMPT_COMMANDS. .
- Readline (bracketed-paste), escape- ("\e[200~" "\e[201~") . , , .
- . / ("[key]=value"). , - , .
- . , «U», «u» «L» , , «K» — /.
- , BASH_COMPAT. Compat50 5.0 .
- , , , . 4.4. «» POSIX, .
- POSIX- , . «diff <(sort file1) <(sort file2)».
- asort, mktemp, accept, mkfifo, csv cut/lcut.
- wait "-p ". PID , «wait -n» wait .
- rl-clear-display .
- read select. trap- read. SIGINT.
- The shell-transpose-words command, introduced in readline, uses the same word definition as shell-forward-word. By default, keyboard bindings are used for the shell-forward-word, shell-backward-word, shell-transpose-words, and shell-kill-word commands.
- New operator "test-N" determines time with nanosecond precision.
- Writing to the BASH_REMATCH variable is allowed.
- Ulimit now has the "-R" command to view and set the RLIMIT_RTTIME resource.
- When exiting a shell, bash closes all FIFOs, regardless of the termination of associated processes.
The full list of changes can be found here .
