Hi.
home user wrote:
> Here's the real code fragment:
> # 220 lines of code above here constructs string variables
> # line1, line2, line3, begchars, and endchars.
> line1="${begchars}${line1}"
> line2="${begchars} ${line2}"
> line3="${begchars} ${line3}"
> echo "before if, endchars = "${endchars}"."
Beware: word splitting will be done here when expanding ${endchars}
because the " before it closes the first "
You should quote the inner ":
echo "before if, endchars = \"${endchars}\"."
> if ! [ -z $endchars ]; then
Beware: this will raise an error: [: ...: binary operator expected
if endchars contains spaces.
Quote $endchars:
if ! [ -z "$endchars" ]; then
> echo "adding closing tags."
> line1="${line1}${endchars}"
> line2="${line2} ${endchars}"
> line3="${line3} ${endchars}"
> fi
> echo "line1="${line1}"."
Same remark than above for endchars.
--
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