Are there any well known and well used shell scripting IDEs for Un*x? Are there any IDEs targeted at shell scripting, specifically bash and zsh scripts? This means having syntax-highlighting for shell scripts and more importantly debugging environments with features like breakpoints, variable inspection and modification, etc., just like those available for regular programming languages like Python, Java, and C. For instance Microsft Windows Powershell has IDEs like Powershell Plus and PowerGui. Googling brought up a combination of ShellEd, an Eclipse plugin for editing shell scripts, and BashEclipse, a Bash debugger that works with ShellEd; I haven't tried it yet. Are there any other shell scripting IDEs for Un*x similar to this combo? Does anyone have some experience with them?

I wouldn't say it is either well known or well used but you might have a look to basheclipse:

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I must admit I have no experience with basheclipse and even failed to install it due to an eclipse version mismatch.

On the other hand, I'm using bash and ksh93 specific debugging features, especially the `trap ERR` and `trap DEBUG` ones but not the debuggers based on them kshdb and bashdb