lib/output.sh: New file.

1 files changed, 51 insertions, 0 deletions

diff --git a/lib/output.sh b/lib/output.sh
new file mode 100644
index 0000000..9459e37
--- /dev/null
+++ b/lib/output.sh
@@ -0,0 +1,51 @@
+# opkhelper
+# lib/output
+# Functions for printing messages.
+#
+# Copyright (C) 2013-2014 Patrick "P. J." McDermott
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+[ -n "${_OH_OUTPUT_SM}" ] && return 0
+_OH_OUTPUT_SM='true'
+
+oh_error()
+{
+	local fmt="${1}"
+	shift 1
+
+	printf "%s: Error: ${fmt}\n" "${0##*/}" "${@}" >&2
+
+	exit 1
+}
+
+oh_warn()
+{
+	local fmt="${1}"
+	shift 1
+
+	printf "%s: Warning: ${fmt}\n" "${0##*/}" "${@}" >&2
+
+	return 0
+}
+
+oh_info()
+{
+	local fmt="${1}"
+	shift 1
+
+	printf "%s: ${fmt}\n" "${0##*/}" "${@}" >&2
+
+	return 0
+}