Replacing a word after a matched pattern

[maxmave]

Hello,

Actually i want to replace the word after a matched pattern.

For Ex:
lets say that i am reading a file line by line

while read line
do
echo $line
# i need to search whether a pattern exists in the file and replace the word after if the pattern exist.
# for example : $line=" this is a test line"
# $Pattern="is a"
echo "Enter a new value to replace the '"$Var1"' : "
read NwPat <&1
# i want to retrive $Var1="test" and replace it with a another pattern
# $NwPat which is provided as user input.
done < $INT_FILE


Any help would be useful.

Thanks

Rahul

 

[maxmave]

got the solution guys its TXT=`echo $line | sed -e 's/.* //'`

Thanks

rahul

 

[columb]

If
[ol]
[li]Your search pattern is $search[/li]
[li]Your additional string is $add[/li]
[/ol]
Then

TXT=$(echo $line|sed -e's/'"$search"'/'"$search"' '"$add"'/')

As an example

$ search="is a"
$ add="added bit"
$ line="This is a line"
$ TXT=$(echo $line|sed -e 's/'"$search"'/'"$search"' '"$add"'/')
$ echo $TXT
This is a added bit line

On the internet no one knows you're a dog

Columb Healy