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GNU sed Bug (Single Quotes in Comments Cause Errors)

From: Jonathan Levi MD
Subject: GNU sed Bug (Single Quotes in Comments Cause Errors)
Date: Mon, 5 Sep 2005 00:32:26 -0400


Recently, a shell script of mine terminated with an apparently erroneous error message. The following short script, followed by terminal output, illustrates the problem:

----------Don't include this line!------------------------------

# littleBuggy.sh
# Created by Jonathan Levi, M.D. on 9/4/05.
# Copyright 2005 __MyCompanyName__. All rights reserved.

echo some text | sed '${
        p       # works if you'll delete the single quote!
----------Don't include this line!------------------------------

Terminal output:

drj2:jonathan jonathan$ littleBuggy.sh
sed: -e expression #1, char 0: unmatched `{'
/Users/jonathan/bin/littleBuggy.sh: line 11: unexpected EOF while looking for matching `'' /Users/jonathan/bin/littleBuggy.sh: line 12: syntax error: unexpected end of file

GNU sed version 4.1.4; shell is

GNU bash, version 3.00.0(1)-release (powerpc-apple-darwin7.5.0)

Computer: Macintosh PowerBook G4 17" (PowerPc G44, 1.5 GHz)
Mac OS X: Version 10.3.9, build  7W98

Thank you for your attention to this,

Jonathan Levi, M.D.

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