diff options
Diffstat (limited to 'gils/head.rv')
| -rw-r--r-- | gils/head.rv | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gils/head.rv b/gils/head.rv index addd11a..2c2a82f 100644 --- a/gils/head.rv +++ b/gils/head.rv @@ -13,13 +13,13 @@ fn file_lines(path) do end const context = env.ctx -if context.argv:len() < 2 do puts("usage: head [n] <path>\n") end +if context.argv:len() < 2 do fail("usage: head [n] <path>\n") end else do let limit = 10 let path_arg = context.argv[1] if (context.argv:len() >= 3 and parse_pid(context.argv[1]) >= 0) do limit = parse_pid(context.argv[1]) path_arg = context.argv[2] end const lines = file_lines(expand_path(path_arg)) - if lines == :nil do puts("head: no such file\n") end + if lines == :nil do fail("head: no such file\n") end else do let index = 0 while (index < lines:len() and index < limit) do puts("#{lines[index]}\n") index += 1 end |