1 files changed, 32 insertions, 0 deletions
diff --git a/src/opt.rs b/src/opt.rs
new file mode 100644
index 0000000..3548127
--- /dev/null
+++ b/src/opt.rs
@@ -0,0 +1,32 @@
+use std::path::PathBuf;
+use structopt::StructOpt;
+
+use crate::choice::Choice;
+use crate::config::Config;
+
+#[derive(Debug, StructOpt)]
+#[structopt(name = "choose", about = "`choose` sections from each line of files")]
+pub struct Opt {
+    /// Specify field separator other than whitespace
+    #[structopt(short, long)]
+    pub field_separator: Option<String>,
+
+    /// Use exclusive ranges, similar to array slicing in many programming languages
+    #[structopt(short = "x", long)]
+    pub exclusive: bool,
+
+    /// Activate debug mode
+    #[structopt(short, long)]
+    pub debug: bool,
+
+    /// Input file
+    #[structopt(short, long, parse(from_os_str))]
+    pub input: Option<PathBuf>,
+
+    /// Fields to print. Either x, x:, :y, or x:y, where x and y are integers, colons indicate a
+    /// range, and an empty field on either side of the colon continues to the beginning or end of
+    /// the line.
+    #[structopt(required = true, min_values = 1, parse(try_from_str = Config::parse_choice))]
+    pub choice: Vec<Choice>,
+}
+