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Top Forums Shell Programming and Scripting how to search with 2 strings. Post 302174081 by vino on Monday 10th of March 2008 02:21:55 AM
Old 03-10-2008
Quote:
Originally Posted by syamkp
Hi,
i have a file a.txt like
--------------------------------
col1|col2|col3
data1|data2|data3
other1|other2|other3
--------------------------------

i need to search 2 strings(data in a.txt file is case sesnsitive), suppose data1 and data2. If these 2 strings found then only i need to update data3 string with data4 string. If not found then i have to echo some message(No data found).

Pls provide me some solution for this.
Thanks in advance.
Code:
grep -E "data1|data2" a.txt
if [[ $? -eq 0 ]] ; then
  sed -e "s/\(data1|data2|\).*/\1data4/g" a.txt
else
  echo "No data1|data2 in a.txt"
fi

 

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search.h(3HEAD) 						      Headers							   search.h(3HEAD)

NAME
search.h, search - search tables SYNOPSIS
#include <search.h> DESCRIPTION
The <search.h> header defines the ENTRY type for structure entry, which includes the following members: char *key void *data and defines ACTION and VISIT as enumeration data types through type definitions as follows: enum { FIND, ENTER } ACTION; enum { preorder, postorder, endorder, leaf } VISIT; The size_t type is defined as described in <sys/types.h>. See types.h(3HEAD). ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ SEE ALSO
hsearch(3C), insque(3C), lsearch(3C), tsearch(3C), types.h(3HEAD), attributes(5), standards(5) SunOS 5.10 10 Sep 2004 search.h(3HEAD)
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