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-rwxr-xr-xtest/ppmtoppm.test5
1 files changed, 4 insertions, 1 deletions
diff --git a/test/ppmtoppm.test b/test/ppmtoppm.test
index c073ecff..2d84809a 100755
--- a/test/ppmtoppm.test
+++ b/test/ppmtoppm.test
@@ -2,4 +2,7 @@
 # This script tests: ppmtoppm
 # Also requires: 
 
-${PBM_TESTPREFIX}ppmtoppm < testgrid.pbm | cksum
\ No newline at end of file
+  alias ppmtoppm="${PBM_TESTPREFIX}ppmtoppm"
+  shopt -s expand_aliases
+
+ppmtoppm < testgrid.pbm | cksum