[lua-torch-trepl] 04/05: d/*: update wrapper script th

[Zhou Mo]

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cdluminate-guest pushed a commit to branch master
in repository lua-torch-trepl.

commit 4e96d147d057c1d4279632fd4c635b81139ce945
Author: Zhou Mo <cdluminate at gmail.com>
Date:   Thu Aug 25 12:12:10 2016 +0000

    d/*: update wrapper script th
---
 debian/th | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/debian/th b/debian/th
index 036c0f1..2b29ff2 100755
--- a/debian/th
+++ b/debian/th
@@ -10,14 +10,17 @@ TREPL=/usr/lib/torch-trepl/th
 # probe lua interpreters, only luajit (recommend) and
 # lua5.1 are supported. Here I don't use hardcoded lua
 # interpreter path so user can override the default
-# interpreter without modifying this script.
-which luajit 1>/dev/null && \
-  LUA=$(which luajit) || \
+# interpreter with `$PATH` instead of modifying this script.
+if test -z "`which luajit 1>/dev/null`"; then
+  LUA=$(which luajit)
+else
   printf "I: luajit not found, falling back to lua5.1\n";
-if test -z "$LUA"; then
-  which lua5.1 1>/dev/null && \
-    LUA=$(which lua5.1) || \
-    (printf "E: lua5.1 not found.\n"; false)
+  if test -z "`which lua5.1 1>/dev/null`"; then
+    LUA=$(which lua5.1)
+  else
+    printf "E: lua5.1 not found. No available lua interpreter.\n"
+    false
+  fi
 fi
 
 # run the real trepl script with possible arguments

-- 
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