AlkantarClanX12
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--- !ruby/object:RI::MethodDescription
aliases: []
block_params:
comment:
- !ruby/struct:SM::Flow::P
body: Replaces the current process by running the given external <em>command</em>. If <tt>exec</tt> is given a single argument, that argument is taken as a line that is subject to shell expansion before being executed. If multiple arguments are given, the second and subsequent arguments are passed as parameters to <em>command</em> with no shell expansion. If the first argument is a two-element array, the first element is the command to be executed, and the second argument is used as the <tt>argv[0]</tt> value, which may show up in process listings. In MSDOS environments, the command is executed in a subshell; otherwise, one of the <tt>exec(2)</tt> system calls is used, so the running command may inherit some of the environment of the original program (including open file descriptors).
- !ruby/struct:SM::Flow::VERB
body: " exec "echo *" # echoes list of files in current directory\n # never get here\n\n exec "echo", "*" # echoes an asterisk\n # never get here\n"
full_name: Kernel#exec
is_singleton: false
name: exec
params: |
exec(command [, arg, ...])
visibility: public