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Full Discussion: weird echo output?
Top Forums Shell Programming and Scripting weird echo output? Post 302177904 by era on Monday 24th of March 2008 03:21:27 AM
Old 03-24-2008
Quote:
Code:
echo "\"$CDPERFORMER\" "
echo "\"$CDTITLE\" "
echo "\"$TRACKNUMBER\" "
echo "\"$TRACKTITLE\" "

I get:
This funny board software didn't even know how to quote the output, so I take that as additional indication that the problem is this: you have DOS carriage returns in the output.

I really wonder about your use of less inside a script. Does it bring some benefit over simply reading the file?

Quote:
Code:
CDPERFORMER=`less "$CUEFILE"|grep -B10 FILE|grep PERFORMER|sed 's/PERFORMER\ "//'|sed 's/^[ \
t]*//'|sed 's/"//'`

With all due respect, you should probably read up on sed scripting. grep | sed is almost always redundant, since sed is basically a grep on stereoids.

Code:
CDPERFORMER=`grep -B10 FILE "$CUEFILE" |
    tr -d '\015' |
    sed -n 's/^[ 	][ 	]*PERFORMER[ 	][ 	]*"\([^"]*\)*"/\1/p'`

... assuming that your repeated sed invocations were meant to remove any PERFORMER tag, remove any leading whitespace before it, and trim the double quotes around the value (and throwing in the removal of any DOS carriage returns as a bonus). Probably the first grep could also be avoided if you familiarize yourself with sed some more, but this is how far I get without even reading the manual page. (Granted, the real magic is in being able to write a proper regular expression for any given problem.) ... That's a tab and a space between the square brackets, by the way.
 

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LEARN ABOUT REDHAT

split

SPLIT(1)								FSF								  SPLIT(1)

NAME

       split - split a file into pieces

SYNOPSIS

       split [OPTION] [INPUT [PREFIX]]

DESCRIPTION

       Output  fixed-size  pieces  of  INPUT  to PREFIXaa, PREFIXab, ...; default PREFIX is `x'.  With no INPUT, or when INPUT is -, read standard
       input.

       Mandatory arguments to long options are mandatory for short options too.

       -a, --suffix-length=N
	      use suffixes of length N (default 2)

       -b, --bytes=SIZE
	      put SIZE bytes per output file

       -C, --line-bytes=SIZE
	      put at most SIZE bytes of lines per output file

       -l, --lines=NUMBER
	      put NUMBER lines per output file

       --verbose
	      print a diagnostic to standard error just before each output file is opened

       --help display this help and exit

       --version
	      output version information and exit

       SIZE may have a multiplier suffix: b for 512, k for 1K, m for 1 Meg.

AUTHOR

       Written by Torbjorn Granlund and Richard M. Stallman.

REPORTING BUGS

       Report bugs to <bug-coreutils@gnu.org>.

COPYRIGHT

       Copyright (C) 2002 Free Software Foundation, Inc.
       This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
       LAR PURPOSE.

SEE ALSO

       The  full  documentation  for split is maintained as a Texinfo manual.  If the info and split programs are properly installed at your site,
       the command

	      info split

       should give you access to the complete manual.

split (coreutils) 4.5.3 					   February 2003							  SPLIT(1)
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