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32 lines
1,020 B
Markdown
32 lines
1,020 B
Markdown
# tr
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> Translate characters: run replacements based on single characters and character sets.
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> More information: <https://www.gnu.org/software/coreutils/manual/html_node/tr-invocation.html>.
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- Replace all occurrences of a character in a file, and print the result:
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`tr {{find_character}} {{replace_character}} < {{filename}}`
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- Replace all occurrences of a character from another command's output:
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`echo {{text}} | tr {{find_character}} {{replace_character}}`
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- Map each character of the first set to the corresponding character of the second set:
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`tr '{{abcd}}' '{{jkmn}}' < {{filename}}`
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- Delete all occurrences of the specified set of characters from the input:
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`tr -d '{{input_characters}}' < {{filename}}`
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- Compress a series of identical characters to a single character:
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`tr -s '{{input_characters}}' < {{filename}}`
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- Translate the contents of a file to upper-case:
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`tr "[:lower:]" "[:upper:]" < {{filename}}`
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- Strip out non-printable characters from a file:
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`tr -cd "[:print:]" < {{filename}}`
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