Generate usage message from comments in the .rst.

1 files changed, 16 insertions, 0 deletions

diff --git a/src/usage.c b/src/usage.c
new file mode 100644
index 0000000..d3d1e25
--- /dev/null
+++ b/src/usage.c
@@ -0,0 +1,16 @@
+const char *usage_msg[] = {
+	"  -a: convert EOLs in text files.",
+	"  -aa: convert EOLs in ALL files.",
+	"  -d output-dir: set output directory (created if needed).",
+	"  -e: extract files (redundant; this is the default action).",
+	"  -k: keep trailing periods (dots) in filenames.",
+	"  -l: list files in archive (filenames only).",
+	"  -L: use lowercase filenames.",
+	"  -o: overwrite files (do not create file~ backups).",
+	"  -p: extract to stdout (enables -q).",
+	"  -q: quiet: don't print filenames during extraction.",
+	"  -t: test archive.",
+	"  -v: verbose listing of archive contents.",
+	"  -x wildcard: exclude <wildcard>. may be given multiple times.",
+	(const char*)0
+};