Initial import

scripts/functions.sh

@@ -0,0 +1,66 @@
+# fir-tools/scripts/functions.sh
+#
+#  Copyright: ©2014, Laurence Withers
+#  Author: Laurence Withers, <l@lwithers.me.uk>
+#  License: GPLv3
+#
+
+# Common functions
+
+
+
+# Print a success message
+print_success() {
+    if [ -z "${TERM}" -o "${TERM}" == "dumb" ]
+    then
+        echo -n " - "
+    else
+        (echo -n -e " \E[32m* "; tput sgr0)
+    fi
+    echo $*
+}
+
+
+
+# Print a failure message
+print_failure() {
+    if [ -z "${TERM}" -o "${TERM}" == "dumb" ]
+    then
+        echo -n " *** "
+    else
+        (echo -n -e " \E[31m*** "; tput sgr0)
+    fi
+    echo $*
+}
+
+
+
+# This function carries out a command, but reports its failure if
+# necessary.
+do_cmd() {
+    [ "${VERBOSE}" != "0" ] && echo "$@"
+    "$@"
+    if [ $? -ne 0 ]
+    then
+        print_failure "'$@' failed."
+        return 1
+    fi
+}
+
+
+
+# This function carries out a command, but reports its failure if
+# necessary.
+do_cmd_redir() {
+    DEST=$1
+    shift
+    [ "${VERBOSE}" != "0" ] && echo "$@ >> ${DEST}"
+    "$@" >> ${DEST}
+    if [ $? -ne 0 ]
+    then
+        print_failure "'$@' failed."
+        return 1
+    fi
+}
+
+# vim: expandtab:ts=4:sw=4