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wikipedia:tr (Unix) translate characters

Concatenate lines on a file:

Remove newline character

  • tr -d '\n'

Concatenate/merge every 2 lines:

cat /path/tofile.txt | paste -d " "  - -[1]

cat file | tr '\n' 
tr: when not truncating set1, string2 must be non-empty

tr --help
tr: illegal option -- -
usage: tr [-Ccsu] string1 string2
       tr [-Ccu] -d string1
       tr [-Ccu] -s string1
       tr [-Ccu] -ds string1 string2

Related commands[edit]

See also[edit]

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