Show help for few arguments on roscat

ros · Mar 4, 2016 · c19eb7a · c19eb7a
1 parent 38fc415
commit c19eb7a
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/tools/rosbash/rosbash b/tools/rosbash/rosbash
@@ -284,7 +284,7 @@ function roscp {
 
 function roscat {
     local arg
-    if [[ $1 = "--help" ]]; then
+    if [[ $1 = "--help" ]] || [[ $# -ne 2 ]]; then
        echo -e "usage: roscat [package] [file]\n\nDisplay a file content within a package."
        return 0
     fi

diff --git a/tools/rosbash/roszsh b/tools/rosbash/roszsh
@@ -265,7 +265,7 @@ function roscp {
 
 function roscat {
     local arg
-    if [[ $1 = "--help" ]]; then
+    if [[ $1 = "--help" ]] | [[ $# -ne 2 ]]; then
         echo -e "usage: roscat [package] [file]\n\nDisplay a file content within a package."
         return 0
     fi