diff options
Diffstat (limited to 'src/shuf.c')
| -rw-r--r-- | src/shuf.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/src/shuf.c b/src/shuf.c index d4641fe19..2a910728e 100644 --- a/src/shuf.c +++ b/src/shuf.c @@ -576,11 +576,18 @@ main (int argc, char **argv) /* Generate output according to requested method */ if (repeat) { - if (input_range) - i = write_random_numbers (randint_source, head_lines, - lo_input, hi_input, eolbyte); + if (head_lines == 0) + i = 0; else - i = write_random_lines (randint_source, head_lines, line, n_lines); + { + if (n_lines == 0) + error (EXIT_FAILURE, 0, _("No lines to repeat")); + if (input_range) + i = write_random_numbers (randint_source, head_lines, + lo_input, hi_input, eolbyte); + else + i = write_random_lines (randint_source, head_lines, line, n_lines); + } } else { |