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added 57 characters in body

edited Dec 24, 2021 at 8:34

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With GNU awk foror any other awk that supports multi-char RS (e.g. newer versions of mawk):

$ awk -v RS='[[:space:]]+' '$0!=""' file Cat Dog Soup Rat Cass Audrey

$ awk -v RS='[[:space:]]+' '$0!=""' file2 Once upon a midnight dreary while I pondered weak and weary Over many a quaint and curious volume of forgotten lore

With GNU awk for multi-char RS:

$ awk -v RS='[[:space:]]+' '$0!=""' file Cat Dog Soup Rat Cass Audrey

$ awk -v RS='[[:space:]]+' '$0!=""' file2 Once upon a midnight dreary while I pondered weak and weary Over many a quaint and curious volume of forgotten lore

With GNU awk or any other awk that supports multi-char RS (e.g. newer versions of mawk):

$ awk -v RS='[[:space:]]+' '$0!=""' file Cat Dog Soup Rat Cass Audrey

$ awk -v RS='[[:space:]]+' '$0!=""' file2 Once upon a midnight dreary while I pondered weak and weary Over many a quaint and curious volume of forgotten lore

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answered Dec 24, 2021 at 8:24

Ed Morton

35.9k
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With GNU awk for multi-char RS:

$ awk -v RS='[[:space:]]+' '$0!=""' file Cat Dog Soup Rat Cass Audrey

$ awk -v RS='[[:space:]]+' '$0!=""' file2 Once upon a midnight dreary while I pondered weak and weary Over many a quaint and curious volume of forgotten lore