added optcvt.sh

Executes tcvt iff the resulting width is at least 80 chars.

1 files changed, 13 insertions, 0 deletions

diff --git a/optcvt.sh b/optcvt.sh
new file mode 100755
index 0000000..2f3f89c
--- /dev/null
+++ b/optcvt.sh
@@ -0,0 +1,13 @@
+#!/bin/sh
+TCVT=./tcvt.py
+MINWIDTH=80
+
+SIZE=`stty size`
+test $? = 0 || exit $?
+COLUMNS="${SIZE#* }"
+
+if test "$COLUMNS" -ge $((2*$MINWIDTH+1)); then
+	exec $TCVT "$@"
+else
+	exec "$@"
+fi