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-rwxr-xr-xtest/gem-roundtrip.test6
1 files changed, 5 insertions, 1 deletions
diff --git a/test/gem-roundtrip.test b/test/gem-roundtrip.test
index 05f1d28c..97f894c2 100755
--- a/test/gem-roundtrip.test
+++ b/test/gem-roundtrip.test
@@ -2,5 +2,9 @@
 # This script tests: pbmtogem gemtopbm
 # Also requires: gemtopnm
 
+  alias gemtopbm="${PBM_TESTPREFIX}gemtopbm"
+  alias pbmtogem="${PBM_TESTPREFIX}pbmtogem"
+  shopt -s expand_aliases
+
 # Should print 2425386270 41, cksum of testgrid.pbm
-${PBM_TESTPREFIX}pbmtogem testgrid.pbm | ${PBM_TESTPREFIX}gemtopbm | cksum
+pbmtogem testgrid.pbm | gemtopbm | cksum