#!/bin/bash
# Desc: Defines bash functions yell(), die(), and try(), which are useful for
# indicating where in a script an error occurs.
+# Note: All three functions should be added together if used at all.
# Ref/Attrib: [1] Yell, Die, Try Three-Fingered Claw technique https://stackoverflow.com/a/25515370
# Depends: GNU Coreutils 8.30
+# Version 0.1.1
#==BEGIN Define script parameters==
#==END Define script parameters==
#===BEGIN Declare local script functions===
-yell() { echo "$0: $*" >&2; }
-die() { yell "$*"; exit 111; }
-try() { "$@" || die "cannot $*"; }
+yell() { echo "$0: $*" >&2; } # print script path and all args to stderr
+die() { yell "$*"; exit 111; } # same as yell() but non-zero exit status
+try() { "$@" || die "cannot $*"; } # runs args as command, reports args if command fails
#===END Declare local script functions===
#==BEGIN sample code==