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Top Forums Shell Programming and Scripting Substitute newline with tab at designated field separator Post 302789001 by yifangt on Tuesday 2nd of April 2013 11:07:38 PM
Old 04-03-2013
Thanks Hanson!
What's in my mind with tr is: replace "\n" with "\t" if the rows not connected by "\n" and "@" (That's why I wrote, !\n@, which is not a correct syntax, obviously! ). It seems I have to forget this strategy!
Now the "N" is clear in the command. Could you explain what the "1" does? Similar script I saw with awk http://wiki.ljackson.us/Awk_Command.
Code:
# if a line ends with a backslash, append the next line to it 
# (fails if there are multiple lines ending with backslash...)
 awk '/pattern/ {sub(/\n/,"\t"); getline t; print $0 t; next}; 1' infile

Thanks again!

Last edited by yifangt; 04-03-2013 at 12:48 AM.. Reason: improve wording
 

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COLORS(3)						   libbash colors Library Manual						 COLORS(3)

NAME
colors -- libbash library for setting tty colors. SYNOPSIS
colorSet <color> colorReset colorPrint [<indent>] <color> <text> colorPrintN [<indent>] <color> <text> DESCRIPTION
General colors is a collection of functions that make it very easy to put colored text on tty. The function list: colorSet Sets the color of the prints to the tty to COLOR colorReset Resets current tty color back to normal colorPrint Prints TEXT in the color COLOR indented by INDENT (without adding a newline) colorPrintN The same as colorPrint, but trailing newline is added Detailed interface description follows. Available colors: Green Red Yellow White The color parameter is non-case-sensitive (i.e. RED, red, ReD, and all the other forms are valid and are the same as Red). FUNCTIONS DESCRIPTIONS
colorSet <color> Sets the current printing color to color. colorReset Resets current tty color back to normal. colorPrint [<indent>] <color> Prints text using the color color indented by indent (without adding a newline). Parameters: <indent> The column to move to before start printing. This parameter is optional. If ommitted - start output from current cursor position. <color> The color to use. <color> The text to print. colorPrintN [<indent>] <color> The same as colorPrint, except a trailing newline is added. EXAMPLES
Printing a green 'Hello World' with a newline: Using colorSet: $ colorSet green $ echo 'Hello World' $ colorReset Using colorPrint: $ colorPrint 'Hello World'; echo Using colorPrintN: $ colorPrintN 'Hello World' AUTHORS
Hai Zaar <haizaar@haizaar.com> Gil Ran <gil@ran4.net> SEE ALSO
ldbash(1), libbash(1) Linux Epoch Linux
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