Kent West <[EMAIL PROTECTED]> [2002-09-30 20:51:17 -0500]: > Thanks to Nate's help, I found the problem. I had another line above > this one with a similar echo'd line that had an > apostrophe. Apparently bash was interpreting everything between the > two apostrophe's as a string, which explains some other odd > behaviour I was seeing, but had put on the back burner to deal with > this easier problem first.
Both "string" and 'string' delimit strings. But there is a small difference. Double quotes expands variables while single-quotes do not. echo "$$" 24660 echo '$$' $$ BTW $$ is the shell's process id number. I could have used any variable such as $RANDOM or but $$ seemed easy for a self-contained example. Also, `command` $(command) are also expanded in "string" but not in 'string'. Bob
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