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fa6a180fdd
Did you know that you could get a manual page for the 'test'/'[' builtin command using one of these strange command lines? test --man -- [ --man -- ] Neither did I. It's not documented or mentioned anywhere (and this syntax violates POSIX). So nobody knows about it, which makes that documentation useless. (The regular --man option doesn't work because that would break 'test'.) I only found out how to invoke it when I understood what the uncommented C code handling this does. The test/[ command's self-documentation is unmaintained since 2003 and somewhat incomplete. It's also mostly redundant with the documentation on Conditional Expressions in the main (k)sh.1 manual page. But unlike the latter, this is resident in RAM, wasting working memory in every shell process. src/cmd/ksh93/sh.1: - Add documentation for 'test'/'[' commands (yes, they were not mentioned in the main manual page until now), describing them in terms of differences from '[[' and recommending the latter. src/cmd/ksh93/include/test.h, src/cmd/ksh93/bltins/test.c, src/cmd/ksh93/data/testops.c: - Remove RAM-resident --man doc for test/[ command. - Remove the bizarre option parsing that allowed invoking it. |
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