X-Git-Url: https://zdv2.bktei.com/gitweb/BK-2020-03.git/blobdiff_plain/b2fc770c0dc241d3e7bdf409f443a9fbeb5fe141..0ed005b03db443e2527056d25d73582b4d76696b:/unitproc/bktemp-yellDieTry diff --git a/unitproc/bktemp-yellDieTry b/unitproc/bktemp-yellDieTry new file mode 100644 index 0000000..4295aff --- /dev/null +++ b/unitproc/bktemp-yellDieTry @@ -0,0 +1,21 @@ +#!/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==