From c8ab406749124d2e762ad5cf53963070113afd0f Mon Sep 17 00:00:00 2001
From: Tom Ryder <tom@sanctum.geek.nz>
Date: Wed, 5 Apr 2017 20:06:39 +1200
Subject: Apply runtime shebanging to POSIX shell

---
 bin/stws.sh | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 bin/stws.sh

(limited to 'bin/stws.sh')

diff --git a/bin/stws.sh b/bin/stws.sh
new file mode 100644
index 00000000..ce2c14d0
--- /dev/null
+++ b/bin/stws.sh
@@ -0,0 +1,18 @@
+# Strip trailing spaces on one or more files
+
+# Check arguments
+if [ "$#" -eq 0 ] ; then
+    printf >&2 'stws: Need a filename\n'
+    exit 2
+fi
+
+# Iterate over arguments and apply the same ed(1) script to each of them
+for fn ; do
+    ed -s -- "$fn" <<'EOF' || ex=1
+g/  *$/ s/  *$//
+w
+EOF
+done
+
+# If any of the ed(1) commands failed, we should exit with 1
+exit "${ex:-0}"
-- 
cgit v1.2.3