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[DOC] Mention about executable file and fallback to sh

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Nobuyoshi Nakada 2024-03-01 02:27:56 +09:00
parent 1a9a20cebd
commit 5baee82c76
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1 changed files with 14 additions and 1 deletions
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process.c
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@ -8865,7 +8865,7 @@ proc_warmup(VALUE _)
*
* Argument +exe_path+ is one of the following:
*
* - The string path to an executable to be called:
* - The string path to an executable file to be called:
*
* Example:
*
@ -8881,6 +8881,19 @@ proc_warmup(VALUE _)
* escape the entire command name using a shell in platform
* dependent manner, or use the array form below.
*
* If +exe_path+ does not contain any path separator, an executable
* file is searched from directories specified with the +PATH+
* environment variable. What the word "executable" means here is
* depending on platforms.
*
* Even if the file considered "executable", its content may not be
* in proper executable format. In that case, Ruby tries to run it
* by using <tt>/bin/sh</tt> on a Unix-like system, like system(3)
* does.
*
* File.write('shell_command', 'echo $SHELL', perm: 0o755)
* system('./shell_command') # prints "/bin/sh" or something.
*
* - A 2-element array containing the path to an executable
* and the string to be used as the name of the executing process:
*