Method: Kernel#sub

Defined in:
ruby.c

#sub(pattern, replacement) ⇒ Object #sub(pattern) {|...| ... } ⇒ Object

Equivalent to $_.sub(args), except that $_ will be updated if substitution occurs. Available only when -p/-n command line option specified.

Overloads:

  • #sub(pattern) {|...| ... } ⇒ Object

    Yields:

    • (...) 


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# File 'ruby.c', line 1889

static VALUE
rb_f_sub(int argc, VALUE *argv, VALUE _)
{
    VALUE str = rb_funcall_passing_block(uscore_get(), rb_intern("sub"), argc, argv);
    rb_lastline_set(str);
    return str;
}