1 files changed, 16 insertions, 10 deletions
diff --git a/test/pamslice-roundtrip.test b/test/pamslice-roundtrip.test
index edec0d26..f17765d1 100755
--- a/test/pamslice-roundtrip.test
+++ b/test/pamslice-roundtrip.test
@@ -30,14 +30,18 @@
 # Add header and reconstruct ppm image.
 # Should print 914327477 4864
 
-pamcut 50 50 49 33 testimg.ppm > ${tmpdir}/test4933.ppm
+tmpdir=${tmpdir:-/tmp}
+
+test4933_ppm=${tmpdir}/test4933.ppm
+
+pamcut 50 50 49 33 testimg.ppm > ${test4933_ppm}
 
 (echo "P3"
  echo "49 33"
  echo "255"
  seq 0 32 | while read i;
      do
-     pamslice -row=$i ${tmpdir}/test4933.ppm | awk '{print $2, $3, $4}';
+     pamslice -row=$i ${test4933_ppm} | awk '{print $2, $3, $4}';
      done ) | pnmtopnm | cksum
 
 # Same as above test 2, but take cols instead of rows.
@@ -48,25 +52,27 @@ pamcut 50 50 49 33 testimg.ppm > ${tmpdir}/test4933.ppm
  echo "255"
  seq 0 48 | while read i;
      do
-     pamslice -col=$i ${tmpdir}/test4933.ppm | awk '{print $2, $3, $4}';
+     pamslice -col=$i ${test4933_ppm} | awk '{print $2, $3, $4}';
      done ) | pamflip -xy | cksum
 
 # Test 4.
 # Divide input image into two with pamdeinterlace and recombine.
 
-pamdeinterlace -takeodd ${tmpdir}/test4933.ppm > ${tmpdir}/testodd.ppm
-pamdeinterlace -takeeven ${tmpdir}/test4933.ppm > ${tmpdir}/testevn.ppm
+testeven_ppm=${tmpdir}/testeven.ppm
+testodd_ppm=${tmpdir}/testodd.ppm
+
+pamdeinterlace -takeodd ${test4933_ppm} > ${testodd_ppm}
+pamdeinterlace -takeeven ${test4933_ppm} > ${testeven_ppm}
 
 (echo "P3"
  echo "49 33"
  echo "255"
  seq 0 15 | while read i;
      do
-     pamslice -row=$i ${tmpdir}/testevn.ppm | awk '{print $2, $3, $4}';
-     pamslice -row=$i ${tmpdir}/testodd.ppm | awk '{print $2, $3, $4}';
+     pamslice -row=$i ${testeven_ppm} | awk '{print $2, $3, $4}';
+     pamslice -row=$i ${testodd_ppm} | awk '{print $2, $3, $4}';
      done
-     pamslice -row=16 ${tmpdir}/testevn.ppm | awk '{print $2, $3, $4}';
+     pamslice -row=16 ${testeven_ppm} | awk '{print $2, $3, $4}';
   ) | pnmtopnm | tee /tmp/z | cksum
 
-rm ${tmpdir}/test4933.ppm ${tmpdir}/testodd.ppm ${tmpdir}/testevn.ppm
-
+rm ${test4933_ppm} ${testodd_ppm} ${testeven_ppm}