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A comment on Libc on macOS invokes Perl as a subprocess for string processing (2017). Parent comment

Re:Libc on macOS invokes Perl as a subprocess for string pro... by self_awareness on Wednesday January 16, 2019 @09:46AM (#18921237)
Seems Linux version also depends on forking to the shell:

https://code.woboq.org/userspace/glibc/posix/wordexp.c.html

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Re:Libc on macOS invokes Perl as a subprocess for string pro... by leni536 on Wednesday January 16, 2019 @10:08AM (#18921413)
For the sake of completeness musl libc also does this.

https://git.musl-libc.org/cgit/musl/tree/src/misc/wordexp.c#...

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Re:Libc on macOS invokes Perl as a subprocess for string pro... by e12e on Wednesday January 16, 2019 @11:30AM (#18922215)
I guess the lesson is one might not want to implement word expansion in a shell using libc... [ed: if one has ambitions to function as /bin/sh...]
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