dotfiles

commit fc6414a54387064dc56d337a9e7dd95303b88350 (patch)
parent d3196a6817cecb4894772eb5a3d87fa278d58f4d
Author: Alex Karle <alex@alexkarle.com>
Date:   Sun,  4 Oct 2020 14:33:19 -0400

ed: Update `e` wrapper to fall-back if rlwrap not found

I'd like `e` to behave properly if `rlwrap` is not installed so that
I can use `e` regardless of whether I am able to install packages on
the system.

Diffstat:
M
bin/e
 | 
8
++++++++

1 file changed, 8 insertions(+), 0 deletions(-)
diff --git a/bin/e b/bin/e
@@ -1,5 +1,13 @@
 #!/bin/sh
 # e -- slightly improved ed(1) wrapper
+set -e
+
+# short circuit fallback to ed(1) if no rlwrap present
+if ! command -v rlwrap >/dev/null; then
+    echo "warning: rlwrap not found, falling back to regular ed" 1>&2
+    exec ed
+fi
+
 for f in .tags tags; do
     if [ -e "$f" ]; then
         echo "using tags from ./$f"