#4635 Use correct expansion mechanism to test if var is set/unset for pp/perl

This commit is contained in:
Joseph Lenox 2018-12-30 12:46:59 -06:00 committed by Joseph Lenox
parent 9c7394db81
commit 4745d03bd8

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@ -51,11 +51,11 @@ resourcefolder=$appfolder
echo "Appfolder: $appfolder, archivefolder: $archivefolder, resourcefolder=$resourcefolder"
# Our slic3r dir and location of perl
if [[ ! -z "$PERL_BIN" ]]; then
if [[ -z ${PERL_BIN+x} ]]; then
PERL_BIN=$(which perl)
echo "Found perl at $PERL_BIN"
fi
if [[ ! -z "$PP_BIN" ]]; then
if [[ -z ${PP_BIN+x} ]]; then
PP_BIN=$(which pp)
echo "Found pp at $PP_BIN"
fi