use aliases to make tests easier to read and modify; add white line to top in Pnmshear test

git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@2098 9d0c8265-081b-0410-96cb-a4ca84ce46f8

1 files changed, 11 insertions, 6 deletions

diff --git a/test/g3-roundtrip.test b/test/g3-roundtrip.test
index e00997f6..323a26bf 100755
--- a/test/g3-roundtrip.test
+++ b/test/g3-roundtrip.test
@@ -2,14 +2,19 @@
 # This script tests: g3topbm pbmtog3
 # Also requires: pnmcrop
 
-${PBM_TESTPREFIX}pbmtog3 -nofixedwidth testgrid.pbm | \
-${PBM_TESTPREFIX}g3topbm -width=14 | cmp -s - testgrid.pbm
+  alias g3topbm="${PBM_TESTPREFIX}g3topbm"
+  alias pbmtog3="${PBM_TESTPREFIX}pbmtog3"
+  alias pnmcrop="${PBM_BINPREFIX}pnmcrop"
+  shopt -s expand_aliases
+
+pbmtog3 -nofixedwidth testgrid.pbm | \
+g3topbm -width=14 | cmp -s - testgrid.pbm
 echo $?
 
-${PBM_TESTPREFIX}pbmtog3 -nofixedwidth -reversebits testgrid.pbm | \
-${PBM_TESTPREFIX}g3topbm -width=14 -reversebits | cmp -s - testgrid.pbm
+pbmtog3 -nofixedwidth -reversebits testgrid.pbm | \
+g3topbm -width=14 -reversebits | cmp -s - testgrid.pbm
 echo $?
 
-${PBM_TESTPREFIX}pbmtog3 testgrid.pbm | \
-${PBM_TESTPREFIX}g3topbm  | ${PBM_BINPREFIX}pnmcrop -white -right -bottom | \
+pbmtog3 testgrid.pbm | \
+g3topbm  | pnmcrop -white -right -bottom | \
  cmp -s - testgrid.pbm ; echo $?