Various minifier scripts exist for shell code, (e.g. bash-minifier), but how about the reverse?
Are there any shell-centric utils or scripts to automatically turn a one-liner like this:
echo foo;echo bar;echo "baz;bing";echo 'buz;bong'
...into this:
echo foo
echo bar
echo "baz;bing"
echo 'buz;bong'
Or turn minimalist logic like this:
true && echo foo
...into this:
if true ; then
echo foo
fi
Minification is not generally a reversible operation, as information could be lost in the process, e.g. consider human-readable variable names, comments, logical constructs, which can be written in multitude of different ways e.t.c.
But there are various tools, which can pretty-print or beautify your code, which should solve #1 for you.
One example is: https://github.com/mvdan/sh
A shell parser, formatter and interpreter (POSIX/Bash/mksh)
Running your one-liner, through it, produces the following result:
%shfmt <<<"echo foo;echo bar;echo \"baz;bing\";echo 'buz;bong'"
echo foo
echo bar
echo "baz;bing"
echo 'buz;bong'
shfmt doesn't seem to unroll a for loop: shfmt <<< "for f in foo bar; do echo $f ; done" returns for f in foo bar; do echo bar; done where the semicolons aren't changed into carriage returns.
shfmt -s <<< "for f in foo bar; do echo $f; echo $f ; done"