Shell Programming and Scripting

Hello everyone I tell you that I'm trying to do a bash program that can put parentheses around each capital letter of each line using SED.

I tell you probe with:

sed -e '1,$s/A/(A)/g' "$file"

but only add parentheses in A.

then tested with:

sed 'y/AB/(A)(B)/' "$archivo"

but it gave me an error

when I'm wrong?

if someone could help me appreciate it a lot!

Thank you so much!

Code:

sed -e 's/\([[:upper:]]\)/\(\1\)/g'   file

[:upper:] is a POSIX character class which matches uppercase characters in any locale. It has to be used with an RE bracket expression, i.e [...] for it to work as used above.

Code:

sed 's/[[:upper:]]/(&)/g' infile

If your sed implementation doesn't support POSIX character classes,
you could use something like this:

Code:

sed 's/[A-Z]/(&)/g' infile

Some sed implementations support the -i option to edit the input file in-place,
with others you should use a temporary file.

THANK U SOO MUCH!