Why would you do this:if [ "x$var" = "x" ]; then ... fi
The above shell programming construct is ancient, well tested and reliable as it works on the various flavours of the Bourne/Korn/Bash shells.
Keep it simple. --- Russell P. Sutherland Email: russ @ madhaus.cns.utoronto.ca 4 Bancroft Ave., Rm. 102 Voice: +1.416.978.0470 University of Toronto Fax: +1.416.978.6620 Toronto, ON M5S 1C1 CANADA
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