Original release 20160328

[fex.git] / bin / zz

diff --git a/bin/zz b/bin/zz
index 48a5a9fdb9356d82d8534c7817bb50876bc4fd50..03174122fb547f785df6feb15df63653809469fb 100755 (executable)
--- a/bin/zz
+++ b/bin/zz
@@ -2,12 +2,12 @@
 
 # to use zz with vim, write to your .vimrc:
 #
-# noremap <silent> zz> :w !zz<CR><CR>                                              
+# noremap <silent> zz> :w !zz<CR><CR>
 # noremap <silent> zz< :r !zz<CR>
 
 ZZ=${ZZ:-$HOME/.zz}
 
-if [ "X$*" = X-h -o "X$*" = X--help ]; then
+if [ "$*" = -h -o "$*" = --help ]; then
   exec cat<<EOD
 zz is the generic clip board program. See also the edit helper program ezz.
 The clip board is \$ZZ (default: \$HOME/.zz). Options and modes are:
@@ -30,26 +30,26 @@ Examples:
   (within tin:)  |azz
   (within vi:)   :w !zz
   (within vi:)   :r !zz
-  
+
 Limitation: zz does not work across different accounts or hosts! Use xx instead.
 EOD
 fi
 
-if [ x"$1"x = x+x ]; then 
+if [ "$1" = + ]; then
   shift
   exec cat -- "$@" >>$ZZ
 fi
 
 if [ -t 0 ]; then
-    if [ x"$1"x = xx ]; then 
+    if [ -z "$1" ]; then
         exec cat -- $ZZ
-    elif [ x"$1"x = x..x ]; then 
+    elif [ "$1" = .. ]; then
         exec cat -- $ZZ~
-    else 
+    else
         test -f $ZZ && mv $ZZ $ZZ~
         exec cat -- "$@" >$ZZ
     fi
 else
     test -f $ZZ && mv $ZZ $ZZ~
     exec cat >$ZZ
-fi     
+fi