AWK experts - how would I code around this in awk...
tony.arnold at manchester.ac.uk
Sun Feb 21 18:29:40 UTC 2010
Alex Janssen wrote:
> Steve Flynn wrote:
>> That's not a bad idea at all come to think of it.
>> Remove ALL CR/LF's to make one honking big line and then spit it back
>> out in chunks of 'n'.
>> Definitely food for thought. I can feel some playing around on my
>> laptop happening on the train home this afternoon... cheers! :)
> I had to play around with it to test it and decided it should just be a
> filter to read stdin and write stdout. Here's a working script:
> #remove all CR's and LF's and reinsert LF's every n characters
> if [ $# -lt 1 ]
> echo -e "\n$0\n Removes all CR's and LF's and reinsert LF's every n
> characters\n usage:\n $0 n\nn=new line length\n $0 reads from stdin
> and writes stdout"
> exit 0
> tr -d "\n\r"|
> while read -n$NEWLEN LINE
> echo "$LINE"
> exit 0
> **********end script
> If you need CR's change the echo line to read "echo -e "$LINE\r".
You could replace the while loop with just a fold command, e.g.,
tr -d "\n\r" | fold -b -w $NEWLEN
I've not tested this, so I'd check man pages etc! I'm not sure if the -b
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