1berry/ruby
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

[DOC] echo command may not be a shell built-in

Browse Source
This commit is contained in:
Nobuyoshi Nakada 2024-01-21 18:41:41 +09:00
parent 366b14c0cd
commit e2e15ddd67
No known key found for this signature in database
GPG Key ID: 3582D74E1FEE4465
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
process.c
View File

@ -3083,7 +3083,7 @@ NORETURN(static VALUE f_exec(int c, const VALUE *a, VALUE _));
* or contain meta characters: * or contain meta characters:
* *
* exec('if true; then echo "Foo"; fi') # Shell reserved word. * exec('if true; then echo "Foo"; fi') # Shell reserved word.
* exec('echo') # Built-in. * exec('exit') # Built-in.
* exec('date > date.tmp') # Contains meta character. * exec('date > date.tmp') # Contains meta character.
* *
* The command line may also contain arguments and options for the command: * The command line may also contain arguments and options for the command:
@ -4772,14 +4772,14 @@ rb_spawn(int argc, const VALUE *argv)
* or contain meta characters: * or contain meta characters:
* *
* system('if true; then echo "Foo"; fi') # => true # Shell reserved word. * system('if true; then echo "Foo"; fi') # => true # Shell reserved word.
* system('echo') # => true # Built-in. * system('exit') # => true # Built-in.
* system('date > /tmp/date.tmp') # => true # Contains meta character. * system('date > /tmp/date.tmp') # => true # Contains meta character.
* system('date > /nop/date.tmp') # => false * system('date > /nop/date.tmp') # => false
* system('date > /nop/date.tmp', exception: true) # Raises RuntimeError. * system('date > /nop/date.tmp', exception: true) # Raises RuntimeError.
* *
* Assigns the command's error status to <tt>$?</tt>: * Assigns the command's error status to <tt>$?</tt>:
* *
* system('echo') # => true # Built-in. * system('exit') # => true # Built-in.
* $? # => #<Process::Status: pid 640610 exit 0> * $? # => #<Process::Status: pid 640610 exit 0>
* system('date > /nop/date.tmp') # => false * system('date > /nop/date.tmp') # => false
* $? # => #<Process::Status: pid 640742 exit 2> * $? # => #<Process::Status: pid 640742 exit 2>
@ -4948,7 +4948,7 @@ rb_f_system(int argc, VALUE *argv, VALUE _)
* *
* spawn('if true; then echo "Foo"; fi') # => 798847 # Shell reserved word. * spawn('if true; then echo "Foo"; fi') # => 798847 # Shell reserved word.
* Process.wait # => 798847 * Process.wait # => 798847
* spawn('echo') # => 798848 # Built-in. * spawn('exit') # => 798848 # Built-in.
* Process.wait # => 798848 * Process.wait # => 798848
* spawn('date > /tmp/date.tmp') # => 798879 # Contains meta character. * spawn('date > /tmp/date.tmp') # => 798879 # Contains meta character.
* Process.wait # => 798849 * Process.wait # => 798849
@ -8848,7 +8848,7 @@ proc_warmup(VALUE _)
* or contain meta characters: * or contain meta characters:
* *
* system('if true; then echo "Foo"; fi') # => true # Shell reserved word. * system('if true; then echo "Foo"; fi') # => true # Shell reserved word.
* system('echo') # => true # Built-in. * system('exit') # => true # Built-in.
* system('date > /tmp/date.tmp') # => true # Contains meta character. * system('date > /tmp/date.tmp') # => true # Contains meta character.
* system('date > /nop/date.tmp') # => false * system('date > /nop/date.tmp') # => false
* system('date > /nop/date.tmp', exception: true) # Raises RuntimeError. * system('date > /nop/date.tmp', exception: true) # Raises RuntimeError.