Change shb(1) to read stdin by default

This is clearer.

1 files changed, 6 insertions, 7 deletions

diff --git a/bin/shb b/bin/shb
index 49894b0f..72ac818b 100755
--- a/bin/shb
+++ b/bin/shb
@@ -3,15 +3,14 @@
 self=shb
 
 # Need at least two arguments
-if [ "$#" -lt 2 ] ; then
-    printf >&2 '%s: Need input file and command\n' "$self"
+if [ "$#" -lt 1 ] ; then
+    printf >&2 '%s: Need interpreter command\n' "$self"
     exit 1
 fi
 
-# First argument is the script (might be - for stdin), second argument is the
-# name of the interpreter
-scr=$1 intn=$2
-shift 2
+# First argument is the name of the interpreter
+intn=$1
+shift
 
 # Try and find the path to the interpreter command, bail out if we can't
 if ! intp=$(command -v "$intn" 2>/dev/null) ; then
@@ -25,4 +24,4 @@ set -- "$intp" "$@"
 printf '#!%s\n' "$*"
 
 # Emit the rest of the input
-cat -- "$scr"
+cat