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Size: 683
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← Revision 4 as of 2024-12-28 19:06:28 ⇥
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Comment: Typo
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| Deletions are marked like this. | Additions are marked like this. |
| Line 24: | Line 24: |
| tr '[:upper:]' '[:lower:]' | echo "Hello world" | tr '[:upper:]' '[:lower:]' |
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| If you are trying to force a file to all-lowercase (or all-uppercase) and are already using [[Vim|vim]], consider just saying in the editor and using `ggVGu` (or `ggVGU`). | If you are trying to force a file to all-lowercase (or all-uppercase) and are already using [[Vim|vim]], consider staying in the editor and using `ggVGu` (or `ggVGU`). |
Tr
tr(1) is a character translation tool.
Contents
Installation
tr(1) will be pre-installed on any Linux or BSD operating system, as a POSIX utility.
Usage
To force text to all-lowercase, try:
echo "Hello world" | tr '[:upper:]' '[:lower:]'
Reverse the arguments to force to all-uppercase.
Tips
If you are trying to force a file to all-lowercase (or all-uppercase) and are already using vim, consider staying in the editor and using ggVGu (or ggVGU).