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Shell Programming and Scripting

adding string to a file

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# 8  
Old 04-17-2007
Quote:
Originally Posted by anbu23
Code:
$ cat file
boolean isValid()
{
. . .
}
$ sed -e "/{/a\\
> setValid(false);" -e "/}/i\\
> return true;" file
boolean isValid()
{
setValid(false);
. . .
return true;
}

What do you mean by new line?

boolean isValid() // I mean this new line
{
. . .
}

How can I use white space with sed??

something like!!!!:

$ sed -e "/isValid()[ \n\t]*{/a\\
setValid(false);" -e "/}/i\\
return true;" file
# 9  
Old 04-17-2007
Quote:
Originally Posted by andy2000
boolean isValid() // I mean this new line
{
. . .
}

How can I use white space with sed??

something like!!!!:

$ sed -e "/isValid()[ \n\t]*{/a\\
setValid(false);" -e "/}/i\\
return true;" file
Code:
sed -e "/isValid()[ \t]*$/N;/\n{/a\\
setValid(false);" -e "/}/i\\
return true;" f
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