X-Git-Url: https://git.distorted.org.uk/~mdw/profile/blobdiff_plain/162d33499592d12d7c9f44c1a66f40b073eef16b..49f353d769ed62aff4d6946b344f96876a32f213:/bashrc

diff --git a/bashrc b/bashrc
index 6759da7..fd91584 100644
--- a/bashrc
+++ b/bashrc
@@ -112,6 +112,22 @@ ls () {
   fi
 }
 
+# --- Some colour `grep' support ---
+
+export GREP_COLORS="mt=01;31:ms=01;31:mc=031;31:fn=36:ln=36:bn=36:se=34"
+
+greplike () {
+  declare grep=$1; shift
+  if [ -t 1 ]; then
+    command $grep ${GREP_COLORS+--color=auto} "$@"
+  else
+    command $grep "$@"
+  fi
+}
+alias grep="greplike grep"
+alias egrep="greplike egrep"
+alias fgrep="greplike fgrep"
+
 # --- Set up some simple aliases ---
 
 alias cx='chmod a+x'
@@ -273,6 +289,33 @@ pathhack () {
   fi
 }
 
+# --- Switching security worlds ---
+
+world () {
+  local nfast=${NFAST_HOME-/opt/nfast}
+  local kmdata
+  case "$#" in
+    0)
+      echo "${NFAST_KMDATA#$nfast/kmdata-}"
+      ;;
+    *)
+      if [ -d "$1" ]; then
+	kmdata=$1
+      elif [ -d "$nfast/kmdata-$1" ]; then
+	kmdata=$nfast/kmdata-$1
+      else
+	echo >&2 "world: can't find world $1"
+	return 1
+      fi
+      shift
+      case "$#" in
+	0) export NFAST_KMDATA=$kmdata ;;
+	*) "$@" ;;
+      esac
+      ;;
+  esac
+}
+
 # --- Fix `man' under Slowaris ---
 
 case "$MACHTYPE" in