Initial work on making scripts work in non-bash envs

Replace function defs with dash legal function syntax:

function fn { } -> fn() { }

1 files changed, 5 insertions, 5 deletions

diff --git a/ssync-index b/ssync-index
index a823093..8c29758 100755
--- a/ssync-index
+++ b/ssync-index
@@ -18,12 +18,12 @@ USAGE="ssync-index [options] ROOT_DIR
         -h print this message"
 
 # HELPER METHODS
-function verbose_log {
+verbose_log() {
     if [ ! -z "$VERBOSE_FLAG" ]; then
 	echo "$1"
     fi
 }
-function lines {
+lines() {
     wc -l $1 | cut -d' ' -f1
 }
 
@@ -89,9 +89,9 @@ if [ -z "$REMOTE_HOST_ARG" ]; then
 fi
 
 # Option Validation
-output_to=
-if [ ! -z "$OUTPUT_FILE_FLAG" ]; then
-    output_to="> $OUTPUT_FILE_ARG"
+if [ -z "$OUTPUT_FILE_FLAG" ]; then
+    echo "-o output file required"
+    exit 1
 fi
 
 keyfile_cmd=""