diff --git a/tools/rosbash/rosbash b/tools/rosbash/rosbash
index 4d583074..be7ddb6e 100644
--- a/tools/rosbash/rosbash
+++ b/tools/rosbash/rosbash
@@ -282,6 +282,23 @@ function roscp {
     cp ${arg} ${3}
 }
 
+function roscat {
+    local arg
+    if [[ $1 = "--help" ]] || [[ $# -ne 2 ]]; then
+       echo -e "usage: roscat [package] [file]\n\nDisplay a file content within a package."
+       [[ $1 = "--help" ]] && return 0 || return 1
+    fi
+    _roscmd ${1} ${2}
+    [ $? -eq 1 ] && return 1
+    if [[ -n ${arg} ]]; then
+        if [[ -z $CATTER ]]; then
+            cat ${arg}
+        else
+            $CATTER ${arg}
+        fi
+    fi
+}
+
 function rosawesome {
    alias megamaid='rosbag record'
    alias suck2blow='rosbag play'
@@ -949,6 +966,7 @@ complete -F "_roscomplete_rosclean" "rosclean"
 complete -F "_roscomplete_exe" "rosrun"
 complete -F "_roscomplete_file" "rosed"
 complete -F "_roscomplete_file" "roscp"
+complete -F "_roscomplete_file" "roscat"
 complete -F "_roscomplete_launch" -o filenames "roslaunch"
 complete -F "_roscomplete_test" -o filenames "rostest"
 complete -F "_roscomplete_rospack" "rospack"
diff --git a/tools/rosbash/rosfish b/tools/rosbash/rosfish
index 18b09830..87ac8083 100644
--- a/tools/rosbash/rosfish
+++ b/tools/rosbash/rosfish
@@ -1,3 +1,4 @@
+#alias roscat 'echo "unimplemented"'
 
 function _rossed
     if test (uname) = "Darwin" -o (uname) = "FreeBSD"
diff --git a/tools/rosbash/rostcsh b/tools/rosbash/rostcsh
index 1968364b..aabaab95 100644
--- a/tools/rosbash/rostcsh
+++ b/tools/rosbash/rostcsh
@@ -4,6 +4,7 @@ alias rosls 'ls `rospack find \!*`'
 #alias rosd 'echo "unimplemented"'
 #alias rospd 'echo "unimplemented"'
 #alias rosed 'echo "unimplemented"'
+#alias roscat 'echo "unimplemented"'
 #alias roscmd 'echo "unimplemented"'
 #alias roscp 'echo "unimplemented"'
 
diff --git a/tools/rosbash/roszsh b/tools/rosbash/roszsh
index 64ff06a2..a02a0e37 100644
--- a/tools/rosbash/roszsh
+++ b/tools/rosbash/roszsh
@@ -263,6 +263,21 @@ function roscp {
     cp ${arg} ${3}
 }
 
+function roscat {
+    local arg
+    if [[ $1 = "--help" ]] | [[ $# -ne 2 ]]; then
+        echo -e "usage: roscat [package] [file]\n\nDisplay a file content within a package."
+        [[ $1 = "--help" ]] && return 0 || return 1
+    fi
+    _roscmd ${1} ${2}
+    [ $? -eq 1 ] && return 1
+    if [[ -z $CATTER ]]; then
+        cat ${arg}
+    else
+        $CATTER ${arg}
+    fi
+}
+
 function _roscomplete {
     local arg opts stack_opts
     reply=()
@@ -730,7 +745,7 @@ compctl -K "_roscomplete_sub_dir" -S / "roscd" "rospd" "rosls"
 compctl -K "_roscomplete_rosmake" "rosmake"
 
 compctl -x 'p[1]' -k "(check purge)" -- "rosclean"
-compctl -f -x 'p[1]' -K "_roscomplete" - 'p[2]' -K _roscomplete_file -- "rosed" "roscp"
+compctl -f -x 'p[1]' -K "_roscomplete" - 'p[2]' -K _roscomplete_file -- "rosed" "roscp" "roscat"
 compctl -f -x 'S[-]' -k '(--debug --prefix)' - 'c[-1,--prefix][-1,-p]' -h '' - 'p[1],c[-1,-d],c[-1,--debug],c[-2,-p],c[-2,--prefix]' -K "_roscomplete" - 'p[2],c[-2,-d],c[-2,--debug],c[-3,-p],c[-3,--prefix]' -K _roscomplete_exe -- "rosrun"
 compctl -/g '*.(launch|test)' -x 'p[1]' -K "_roscomplete" -tx - 'p[2]' -K _roscomplete_launchfile -- + -x 'S[--]' -k "(--files --args --nodes --find-node --child --local --screen --server_uri --run_id --wait --port --core --pid --dump-params)" -- "roslaunch"
 compctl -/g '*.(launch|test)' -x 'p[1]' -K "_roscomplete" -tx - 'p[2]' -K _roscomplete_launchfile -- + -x 'S[--]' -k "(--bare --bare-limit --bare-name --pkgdir --package)" -- "rostest"