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Post Undeleted by Ed Morton
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Ed Morton
Ed Morton
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With GNUUsing any awk for multi-char RS and \s:

$ awk -v RS='\\s+' '{ORS=printf "%s%s", $0, (NR%2NR%3 ? OFS : "\n"ORS)} 1'' file ABC 1223334   Days 344678544324677   Base 45666 ABC 1234565   Days 234567899765443   Base 456643

With GNU awk for multi-char RS and \s:

$ awk -v RS='\\s+' '{ORS=(NR%2 ? OFS : "\n")} 1' file ABC 1223334  Days 344678544324677  Base 45666 ABC 1234565  Days 234567899765443  Base 456643

Using any awk:

$ awk '{printf "%s%s", $0, (NR%3 ? OFS : ORS)}' file ABC 1223334 Days 344678544324677 Base 45666 ABC 1234565 Days 234567899765443 Base 456643
Post Deleted by Ed Morton
Post Undeleted by Ed Morton
deleted 96 characters in body
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Ed Morton
Ed Morton
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With GNU awk for multi-char RS and \s:

$ awk -v RS='\\s+' 'NR%2'{s=$0;ORS=(NR%2 next}? {printOFS s,: $0"\n")}' 1' file ABC 1223334 Days 344678544324677 Base 45666

or with any awk and tr:

$ tr ' ' '\n' < file | awk 'NR%2{s=$0; next} {print s, $0}' ABC 12233341234565 Days 344678544324677234567899765443 Base 45666456643

With GNU awk for multi-char RS and \s:

$ awk -v RS='\\s+' 'NR%2{s=$0; next} {print s, $0}' file ABC 1223334 Days 344678544324677 Base 45666

or with any awk and tr:

$ tr ' ' '\n' < file | awk 'NR%2{s=$0; next} {print s, $0}' ABC 1223334 Days 344678544324677 Base 45666

With GNU awk for multi-char RS and \s:

$ awk -v RS='\\s+' '{ORS=(NR%2 ? OFS : "\n")} 1' file ABC 1223334 Days 344678544324677 Base 45666 ABC 1234565 Days 234567899765443 Base 456643
Post Deleted by Ed Morton
`tr` understands `\n` as newline without C-string quoting.
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Kusalananda ♦
Kusalananda ♦
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With GNU awk for multi-char RS and \s:

$ awk -v RS='\\s+' 'NR%2{s=$0; next} {print s, $0}' file ABC 1223334 Days 344678544324677 Base 45666

or with any awk and tr:

$ tr ' ' $'\n''\n' < file | awk 'NR%2{s=$0; next} {print s, $0}' ABC 1223334 Days 344678544324677 Base 45666

With GNU awk for multi-char RS and \s:

$ awk -v RS='\\s+' 'NR%2{s=$0; next} {print s, $0}' file ABC 1223334 Days 344678544324677 Base 45666

or with any awk and tr:

$ tr ' ' $'\n' < file | awk 'NR%2{s=$0; next} {print s, $0}' ABC 1223334 Days 344678544324677 Base 45666

With GNU awk for multi-char RS and \s:

$ awk -v RS='\\s+' 'NR%2{s=$0; next} {print s, $0}' file ABC 1223334 Days 344678544324677 Base 45666

or with any awk and tr:

$ tr ' ' '\n' < file | awk 'NR%2{s=$0; next} {print s, $0}' ABC 1223334 Days 344678544324677 Base 45666
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Ed Morton
Ed Morton
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