Michael Witten <mfwit...@gmail.com> writes:
> Could somebody please tell me what's going on here?
Brace expansion.
$ set -x
$ echo "$(echo '"' | awk '{sub(/a/,$0)}')"
++ echo '"'
++ awk 'sub(/a/'
awk: cmd. line:1: sub(/a/
awk: cmd. line:1: ^ unexpected newline or end of string
++ echo '"'
++ awk '$0)'
awk: $0)
awk: ^ syntax error
+ echo '' ''
Andreas.
--
Andreas Schwab, sch...@linux-m68k.org
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"And now for something completely different."
