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murex Change Log

What’s new in murex v2.7

Breaking Changes:

zero length arrays returned from subshells (eg echo @{g this-file-does-not-exist}) should fail by default, like unset variables. This is enabled by default but can be disabled via config: set proc strict-arrays false
autoglob should fail if it doesn’t match any results. eg @g echo this-file-does-not-exist.*
Subshells should fail parent command when used inside try and trypipe blocks. eg try { echo ${false} }

Features:

function now supports defining parameters
Added support fro && eg do-something && do-something-else for chaining successful commands
Added support for || eg do-something || do-something-else for chaining unsuccessful commands
Added support for writing to the terminal emulator’s titlebar via config: set shell titlebar-func { block }
titlebar-func can also be written to your tmux window title via config: set shell tmux-echo true.
New reserved variable: $HOSTNAME
New reserved variables: $1 (and upwards) which correlates to the scope’s parameter index. $1 is the functions first parameter. $2 is the second. $13 is the thirteenth.
New reserved variable: $0 which contains the function name
New event: onCommandCompletion (this is experimental and subject to change in the next release)
Macro variables. eg echo Hello ^$name will prompt the user to enter a name. Macro variables are only support in the REPL
read now supports flags (eg default option, etc) to allow for a better experience in shell scripting

Minor Changes:

You can now overwrite onKeyPress events. This no longer produces an error forcing you to remove the old event before adding the new one
Autocompletion suggestions shouldn’t be sorted is results include paths (improves the ordering of autocompletion suggestions)
Autocompletion suggestions for openagent builtin
Autocompletion suggestions for hashtags
Test counts re-added to website
Windows should show file extensions by default in autocompletion results

Bug Fixes:

Fix inverted logic on forceTTY: config: get proc force-tty false set by default, which then proxies STDERR and prints them in red
ctrl+c (^c) now currectly sends SIGTERM rather than just ending the child process
Better handling of SIGTERM
SIGTSTP isn’t working. Switched to SIGSTOP when (^z) doesn’t
Fix panic in event onFilesystemChange where fileRef is not getting passed correctly
Fix panic in event onFilesystemChange where path is zero length string
Some improvements to variable previews in the REPL
count should check if it is a method
AST cache now checked more regukarly. This is to reduce the risk of memory leaks during fuzz or load testing
murex-docs still referred to len builtin. That should be changed to count
Lots of fuzzing added – a few edge case bugs discovered

Published: 15.05.2022 at 22:49