Delete blank lines from a file

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delete blank lines from a file

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sdiff

SDIFF(1)							   User Commands							  SDIFF(1)

NAME

       sdiff - side-by-side merge of file differences

SYNOPSIS

       sdiff [OPTION]... FILE1 FILE2

DESCRIPTION

       Side-by-side merge of file differences.

       -o FILE	--output=FILE
	      Operate interactively, sending output to FILE.

       -i  --ignore-case
	      Consider upper- and lower-case to be the same.

       -E  --ignore-tab-expansion
	      Ignore changes due to tab expansion.

       -b  --ignore-space-change
	      Ignore changes in the amount of white space.

       -W  --ignore-all-space
	      Ignore all white space.

       -B  --ignore-blank-lines
	      Ignore changes whose lines are all blank.

       -I RE  --ignore-matching-lines=RE
	      Ignore changes whose lines all match RE.

       --strip-trailing-cr
	      Strip trailing carriage return on input.

       -a  --text
	      Treat all files as text.

       -w NUM  --width=NUM
	      Output at most NUM (default 130) columns per line.

       -l  --left-column
	      Output only the left column of common lines.

       -s  --suppress-common-lines
	      Do not output common lines.

       -t  --expand-tabs
	      Expand tabs to spaces in output.

       -d  --minimal
	      Try hard to find a smaller set of changes.

       -H  --speed-large-files
	      Assume large files and many scattered small changes.

       --diff-program=PROGRAM
	      Use PROGRAM to compare files.

       -v  --version
	      Output version info.

       --help Output this help.

       If a FILE is `-', read standard input.

AUTHOR

       Written by Thomas Lord.

REPORTING BUGS

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

COPYRIGHT

       Copyright (C) 2002 Free Software Foundation, Inc.

       This  program  comes  with NO WARRANTY, to the extent permitted by law.	You may redistribute copies of this program under the terms of the
       GNU General Public License.  For more information about these matters, see the file named COPYING.

SEE ALSO

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

	      info diff

       should give you access to the complete manual.

diffutils 2.8.1 						    April 2002								  SDIFF(1)

Shell Programming and Scripting