> It is posix compliant, but falls foul of a common shell bug. > > http://www.gnu.org/software/hello/manual/autoconf/Shell-Substitutions.html > > Avoid commands that contain unbalanced parentheses in here-documents, > comments, or case statement patterns, as many shells mishandle them. > For example, Bash 3.1, ksh88, pdksh 5.2.14, and Zsh 4.2.6 all > mishandle the following valid command: > > echo $(case x in x) echo hello;; esac)
Thanks. I've never known this. I wonder why we don't have ${TOOL_SH}. Masao -- Masao Uebayashi / Tombi Inc. / Tel: +81-90-9141-4635