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Top Forums Shell Programming and Scripting Replace double quotes with a single quote within a double quoted string Post 302900240 by Subbeh on Monday 5th of May 2014 04:27:41 PM
Old 05-05-2014
Quote:
Originally Posted by pchang
WOW!!! - thank you.

Your code works great!!! The only thing is that it's only substituting the first occurence of a double quote, not all occurences within the string. See bold/underline data below. Could you enhance your code to replace all occurences of double quotes within the text string?
This should fix it:

Code:
sed -e :a -e "s/\([^,]\)\"\([^,]\)/\1'\2/g;ta" file

This User Gave Thanks to Subbeh For This Post:
 

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/* Part of publib.

   Copyright (c) 1994-2006 Lars Wirzenius.  All rights reserved.

   Redistribution  and	use  in  source and binary forms, with or
without
   modification, are permitted provided that the following condi-
tions
   are met:

   1.  Redistributions of source code must retain the above copy-
right
      notice, this list of  conditions	and  the  following  dis-
claimer.

   2. Redistributions in binary form must reproduce the above
      copyright notice, this list of conditions and the following
      disclaimer in the documentation and/or other materials pro-
vided
      with the distribution.

   THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY  EX-
PRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IM- PLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSE- QUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTI- TUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. STRGSUB(3pub) C Programmer's Manual STRGSUB(3pub) */ NAME
strgsub - substitute all occurences of pattern with another string SYNOPSIS
#include <publib.h> int strgsub(char *str, const char *pat, const char *sub, size_t max); DESCRIPTION
strgsub finds all occurences of the pattern pat in the string str (using a method similar to strstr(3) to find the occurrences, i.e., no regular expressions), and replaces each with sub. If pat does not occur in str, no substitution is made. The size (including the terminat- ing '') of the string after the substitutions may be at most max chars. If it would be larger, no substitutions are made. Of course, if sub is an empty string, the occurences of the pattern are deleted from the string. RETURN VALUE
strgsub returns the number of substitutions made, or -1 if the result would not have fit into max chars. EXAMPLE
To substitute every "foo" with "bar" in a line, one might do the following. strgsub(line, "foo", "bar", strlen(line)+1); SEE ALSO
publib(3), strstr(3), strsub(3) AUTHOR
Lars Wirzenius (lars.wirzenius@helsinki.fi) Publib C Programmer's Manual STRGSUB(3pub)
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