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ripgrep: add warning to --pre flag

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The --pre flag can result in a pretty large performance penalty, so put
a warning in the flag documentation. This warning is important because a
flag like this could easily wind up in a user's configuration file.
This commit is contained in:
Andrew Gallant 2018-07-21 17:50:54 -04:00
parent 231456c409
commit c96a358593
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src/app.rs
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@ -1473,6 +1473,10 @@ contents of FILE. This option expects the COMMAND program to either be an
absolute path or to be available in your PATH. An empty string COMMAND
deactivates this feature.
WARNING: When this flag is set, ripgrep will unconditionally spawn a process
for every file that is searched. Therefore, this can incur a large performance
penalty if you don't otherwise need the flexibility offered by this flag.
A preprocessor is not run when ripgrep is searching stdin.
When searching over sets of files that may require one of several decoders