Merge branch 'master' of https://zdv2.bktei.com/gitweb/baltakatei-exdev

diff --git a/unitproc/bktemp-yellDieTry b/unitproc/bktemp-yellDieTry
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+#!/bin/bash
+# Desc: Defines bash functions yell(), die(), and try(), which are useful for
+#   indicating where in a script an error occurs.
+# Ref/Attrib: [1] Yell, Die, Try Three-Fingered Claw technique https://stackoverflow.com/a/25515370
+# Depends: GNU Coreutils 8.30
+
+#==BEGIN Define script parameters==
+#==END Define script parameters==
+
+#===BEGIN Declare local script functions===
+yell() { echo "$0: $*" >&2; }
+die() { yell "$*"; exit 111; }
+try() { "$@" || die "cannot $*"; }
+#===END Declare local script functions===
+
+#==BEGIN sample code==
+yell "This message should appear in stderr.";
+try echo "This message should appear in stdout.";
+try eeeecho "This message should appear in an error message in stderr.";
+yell "This message should not appear because \"try eeeecho\" failed.";
+#==END sample code==