X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-echo.sh;h=f4c62d14e733a741a9b165a6d1b3882e3d056078;hb=cbfeef01ad4ed6d3f68c3deb3c05d3b8102c84ff;hp=45eabd7336b61725a73259c111388b6827ba249d;hpb=47b0bff399ab0cca893b38b876d526fb3f088833;p=gnulib.git

diff --git a/tests/test-echo.sh b/tests/test-echo.sh
index 45eabd733..f4c62d14e 100755
--- a/tests/test-echo.sh
+++ b/tests/test-echo.sh
@@ -36,8 +36,10 @@ func_fatal_error ()
 # - for bash >= 2.0: define echo to a function that uses the printf built-in.
 # - for bash < 2.0: define echo to a function that uses cat of a here document.
 # - for zsh: turn sh-emulation on.
+# - for ksh: alias echo to 'print -r'.
 # - for ksh: alias echo to a function that uses cat of a here document.
-# - for Solaris /bin/sh: respawn using /bin/ksh and rely on the ksh workaround.
+# - for Solaris /bin/sh and OSF/1 /bin/sh: respawn using /bin/ksh and rely on
+#   the ksh workaround.
 # - otherwise: respawn using /bin/sh and rely on the workarounds.
 # When respawning, we pass --no-reexec as first argument, so as to avoid
 # turning this script into a fork bomb in unlucky situations.
@@ -76,7 +78,7 @@ $*
 EOF
 }
   else
-    # 'printf' is a shell built-in. Now it's safe to define 'echo'.
+    # 'printf' is a shell built-in.
 echo ()
 {
   printf '%s\n' "$*"
@@ -92,6 +94,24 @@ if test -z "$have_echo" \
    && (emulate sh) >/dev/null 2>&1; then
   emulate sh
 fi
+# For ksh: alias echo to 'print -r'.
+if test -z "$have_echo" \
+   && (type print) >/dev/null 2>&1; then
+  # A 'print' command exists.
+  if type print 2>/dev/null | grep / > /dev/null; then
+    :
+  else
+    # 'print' is a shell built-in.
+    if (print -r '\told' | grep told > /dev/null) 2>/dev/null; then
+      # 'print' is the ksh shell built-in.
+      alias echo='print -r'
+    fi
+  fi
+fi
+if test -z "$have_echo" \
+   && echo '\t' | grep t > /dev/null; then
+  have_echo=yes
+fi
 # For ksh: alias echo to a function that uses cat of a here document.
 # The ksh manual page says:
 #   "Aliasing is performed when scripts are read, not while they are executed.