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Top Forums Shell Programming and Scripting sed doubt - search and substitute string from variable. Post 302455990 by pravin27 on Thursday 23rd of September 2010 02:15:21 AM
Old 09-23-2010
try this,

Code:
#!/bin/sh

cp input.txt temp_forum.txt
a=`cat read.txt`

for i in $a
do
if [ -f temp1_forum.txt ]
then
cp temp1_forum.txt temp_forum.txt
fi
b=_EDITED
c=$(echo $i | sed 's/\//\\\//g')
sed  '/'$c'/s//'$c$b'/' temp_forum.txt > temp1_forum.txt
done
cat temp1_forum.txt
rm temp_forum.txt temp1_forum.txt

This User Gave Thanks to pravin27 For This Post:
 

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STREAM_COPY_TO_STREAM(3)						 1						  STREAM_COPY_TO_STREAM(3)

stream_copy_to_stream - Copies data from one stream to another

SYNOPSIS
int stream_copy_to_stream (resource $source, resource $dest, [int $maxlength = -1], [int $offset]) DESCRIPTION
Makes a copy of up to $maxlength bytes of data from the current position (or from the $offset position, if specified) in $source to $dest. If $maxlength is not specified, all remaining content in $source will be copied. PARAMETERS
o $source - The source stream o $dest - The destination stream o $maxlength - Maximum bytes to copy o $offset - The offset where to start to copy data RETURN VALUES
Returns the total count of bytes copied. CHANGELOG
+--------+------------------------------+ |Version | | | | | | | Description | | | | +--------+------------------------------+ | 5.1.0 | | | | | | | Added the $offset parameter | | | | +--------+------------------------------+ EXAMPLES
Example #1 A stream_copy_to_stream(3) example <?php $src = fopen('http://www.example.com', 'r'); $dest1 = fopen('first1k.txt', 'w'); $dest2 = fopen('remainder.txt', 'w'); echo stream_copy_to_stream($src, $dest1, 1024) . " bytes copied to first1k.txt "; echo stream_copy_to_stream($src, $dest2) . " bytes copied to remainder.txt "; ?> SEE ALSO
copy(3). PHP Documentation Group STREAM_COPY_TO_STREAM(3)
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