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I should add that I am actually only concerned about alphabetic characters, so "alphanumeric" was inaccurate. I don't need to catch [0-9].omeganumeric– omeganumeric2020-06-29 05:38:32 +00:00Commented Jun 29, 2020 at 5:38
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What is your expected output and your input string? Clearly this is an XY problemInian– Inian2020-06-29 05:48:08 +00:00Commented Jun 29, 2020 at 5:48
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This is an exercise for generating acronyms from names that may contain spaces, dashes, underscores, or some shell globbing characters. I am able to pass my particular set of tests with IFS=" |-|_|*". I understand XY problem, but I wanted to understand the limits of using IFS, and think about how I might be able to solve it with an unlimited variation of possible delimiters. I read about IFS, but was unable to find specifics about that limitation. Thanks for your answer.omeganumeric– omeganumeric2020-06-29 05:55:29 +00:00Commented Jun 29, 2020 at 5:55
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