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diff -up ./contrib/xcscope/cscope-indexer.help ./contrib/xcscope/cscope-indexer
--- ./contrib/xcscope/cscope-indexer.help 2017-12-07 10:45:07.000000000 -0500
+++ ./contrib/xcscope/cscope-indexer 2019-06-24 15:46:31.484852474 -0400
@@ -80,6 +80,37 @@ RECURSE=
VERBOSE=
export DIR RECURSE # Need to pass these to subprocesses
+show_usage() {
+
+cat << EOF
+
+ cscope-indexer [ -v ] [-f database_file ] [-i list_file ] [ -l ] [ -r ]
+
+ where:
+
+ -f database_file
+ Specifies the cscope database file (default: cscope.out).
+
+ -i list_file
+ Specifies the name of the file into which the list of files
+ to index is placed (default: cscope.files).
+
+ -l
+ Suppress the generation/updating of the cscope database
+ file. Only a list of files is generated.
+
+ -r
+ Recurse into subdirectories to locate files to index.
+ Without this option, only the current directory is
+ searched.
+
+ -v
+ Be verbose. Output simple progress messages.
+
+EOF
+
+}
+
while [ -n "$1" ]
do
case "$1" in
@@ -110,6 +141,10 @@ do
-v)
VERBOSE=1
;;
+ -h|--help)
+ show_usage
+ exit 0
+ ;;
*)
DIR="$1"
;;
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