[FEATURE] specify output field delimiter (#8)

Add output_field_separator option

Add output_field_separator tests

Change structopt req to 0.3

Separate negative choices into a function

Prevent tail printing output_field_separator

Change OFS to Option<String> with a default value of " "

Reorder arguments to write_bytes to parallel print_choice

Print output_separator in main loop if applicable

Add `cargo test` to Makefile

Add write_separator function

1 files changed, 1 insertions, 1 deletions

diff --git a/Cargo.toml b/Cargo.toml
index 8c9a6a0..d2e09d0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,6 +7,6 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-structopt = "0.3.0"
+structopt = "0.3"
 regex = "1"
 lazy_static = "1"