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Format: support syntax of padded string

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Ref: #1237
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李通洲
2024-09-02 15:54:22 +08:00
parent 093940e504
commit 85d89395a9
4 changed files with 150 additions and 13 deletions
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src/data/help_format.txt
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@@ -13,6 +13,10 @@ For example: "--title-format '{user-name:5}'" will truncate user name into 5-len
If '<trunc-length>' is negative, an ellipsis … will be appended at the end when the original string is truncated.
Note: The string length is counted in raw bytes. Multi-byte unicode characters and ANSI escape codes are not taken into account.
In 2.23.0 or newer, `<` or `>` can be specified instead of `:` to set a left or right padding.
For example: "--title-format '{user-name<20}'" will generate `<user-name> `;
"--title-format '{user-name>20}'" will generate ` <user-name>`
If the value index is missing, meaning the placeholder is "{}", an internal counter sets the value index.
This means that the format string "Values: {1} ({2})" is equivalent to "Values: {} ({})".
Note that this counter only counts empty placeholders, so the format string "{2} {} {}" will contain the second value, then the first, and then the second again.