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In general what you want to do cannot be done without actually writing a parser that understands all of the complexities of the C language. The single line that you are looking for:...

Hi, maybe this will help?
if [[ $(echo $str) == "hello world"* ]];

That's clever. By feeding it into a command without quotes, you've flattened the whitespace.

You are right, sed is the correct tool for virtually absolutely everything, including what you want to do. ;-))

Here is the naive approach, which will work on your example:

sed 's/\/\*.*\*\///'...

something to start with and improve:
sed 's#/\*.*\*/##g' myFIle

Note that [[ "$line" == "{"* ]] will match lines starting with {; not lines ending with { unless the only character on the line is {.

The pipeline | is for conveying one process' stdout to another process' stdin. Neither does mkdir print anything to stdout, nor does echo read from stdin. So - above pipe is pointless. Trymkdir -p...

Hi cmdcmd,
Please be a little more verbose on what you are trying to do.

Are you trying to find the definition of the function named A in you C source file? If so, does it need to include the...

I think the request was "How to grep this function?", i.e. function A. So a small adaption of nezabudka's fine script might be suited for this:





awk '
/function *A/ {print
...

awk '
/function/ { print
i++
if ( $0 !~ "{") {
getline
print
}
next...

If the output you're trying to get is:
I like apple
then using grep -q is never going to work for you. You'd want something more like:
grep -v ';$' filename
to do that. If you don't want grep...