improve doc

diff --git a/errcatch-function b/errcatch-function
index 0a92c1a8287a2c02f5cb1ad4985049d51a06fc27..14ebe335c4a3a304693dc2e13d3a540f2055655e 100644 (file)
--- a/errcatch-function
+++ b/errcatch-function
@@ -13,7 +13,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-catcherr() { # Exit on all errors. Print useful information.
+# General purpose bash error handling setup
+# Exit on all errors. Print useful information.
+catcherr() { 
     set -eE;
     trap 'echo "${BASH_COMMAND:+BASH_COMMAND=\"$BASH_COMMAND\" }
 ${FUNCNAME:+FUNCNAME=\"$FUNCNAME\" }${LINENO:+LINENO=\"$LINENO\"  }\$?=$?"' ERR