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Old 12-11-2003, 05:02 AM   #1
pamide
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Eliminare LF CR dal testo (fine riga Windows)


Ciao!
Devo creare un file testo (html) partendo da un file esistente e aggiungendo dati.
I file sono in una partizione FAT.
Quindi ho il file show.html in una partizione FAT che non ha il fine linea (^M) specifico dell'ambiente Win.
Faccio la copia nella mia directory ~miky (Linux)
cp show.html ~/tmp.html
Il file tmp.html non ha ancora i fastidiosi ^M
Adesso aggiungo testo:
echo " bla bla bla" >> tmp.html
A questo punto tutte le righe precedenti si ritovano con un ^M a fine riga.
Perche'?

Grazie,Miky
 
Old 12-11-2003, 06:12 AM   #2
BSlack
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Quote:
Quindi ho il file show.html in una partizione FAT che non ha il fine linea (^M) specifico dell'ambiente Win.
...
Il file tmp.html non ha ancora i fastidiosi ^M
Sei sicuro??
Come sono stati creati i file sulla partizione FAT?
 
Old 12-11-2003, 07:11 AM   #3
MartinN
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It would have been slightly easier if you had written in English.

This is a wild guess , but maybe you want the commands dos2unix and unix2dos. They can convert a plain text file to get the CR/LF right.

Read
Code:
man dos2unix
and
Code:
man unix2dos
Good luck!
Martin
 
Old 12-17-2003, 04:20 AM   #4
pamide
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Sorry!
I should have written in English! I didn't realise! Sorry!

The original file, show.html was created with a Windows text editor. So it has all that ^M to end every line.
Only that the new vi is too "smart" and doesn't show me the ^M if the file is a DOS file. My script processes it and I get a "Linux file". Now vi is "smart" again and shows me that dammed ^Ms.

My script:

cp show.html ~/tmp.html
echo "text lines" >> ~/tmp.html

Oooh! How I wish the old dumb vi!!
Anyhow it seems that the browser do like the file html in the DOS format,even if it's running under Linux!

Miky
 
Old 12-17-2003, 12:07 PM   #5
rkngl
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vi autodetected line endings

Vi hid those ^M because it detected you were using Windows line endings.
Your problem is, when you run it through the script, you introduced a line that ends in LF, rather than the CR+LF that's used throughout the rest of your file. This made Vi think you were using linux line endings, so it decided to show those ^M again.If you want to get rid of them, make all the line endings either LF or CR+LF, but not a mix of both.
 
Old 12-30-2003, 05:05 AM   #6
pamide
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Well, I need a DOS file! And this is because a browser likes it that way. It does not work properly if there are no CR+LF in the JavaScript code lines.

All I want is to get rid of that vi's option to show me whatever it likes!

Miky
 
Old 12-30-2003, 08:30 AM   #7
rkngl
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As someone else said, use unix2dos to convert from CR line endings to CR+LF throughout a whole file. If you want vi to use dos line endings type :set ff=dos inside vi while in command mode.

BTW: If you use semi-colons(;) at the end of each statement in your javascript like you're supposed to, then you shouldn't have to worry about CR+LF's.
 
  


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