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Add to Safariksh vs rc (shell)
When comparing ksh vs rc (shell), the Slant community recommends rc (shell) for most people. In the question“What are the best Bash replacements?” rc (shell) is ranked 5th while ksh is ranked 13th. The most important reason people chose rc (shell) is:
rc is a very simple and easy to learn shell.
Question Ranking
Pros
Pro It's a de facto standard
ksh comes from Bill Joy, in the days before Bash, and it's also native to Solaris so you should always write your scripts to support this shell.
Pro Simple
rc is a very simple and easy to learn shell.
Pro C-like syntax
rc has very C-like syntax, which is very helpful for people who are used to C-like programming languages and will find rc's syntax very enjoyable. For example:
for (i in `{seq 1 100}) {
echo $i
}Pro Sane array handling
In rc $array expands to the whole array and if one of the elements of the array has spaces in it, it's still considered one single element after the array variable expansion.
Cons
Con Lacks return statement
rc has no return statement.
