At 16:50 12.05.2006, Martin McCormick wrote:
This looks like something sed should be able to do, but I
haven't had any luck at all. I wanted to remove any whitespace
that has accidentally gotten added to the beginning or end of
some lines of text. I made a test file that looks like:
lots of spaces.
and the best I have done so far is to get rid of about 3 spaces.
#! /usr/bin/sed -f
This looks like it should do the job, but the leading and
trailing spaces are still mostly there.
I wrote another script. Attempt 2.
sed 's/^[[:space:]]//g' \
If I cat the test file through this script, it also
removes one or two spaces, but not all the leading and trailing
whitespace I put there. I can write a program in C to do this,
but is there a sed script or other native application in FreeBSD that
can do this?
Martin McCormick WB5AGZ Stillwater, OK
OSU Information Technology Department Network Operations Group
What's up man?
Here's a script I use to remove trailing whitespace.
It also reduces two or more empty lines like this:
To just one:
And it converts ASCII files to UNIX format (that is without ^M).
Then for pretty sake, it adds an empty line to the end of each file.
# Remove CRLF, trailing whitespace and double lining.
# $MERHABA: ascii_clean.sh,v 1.0 2007/11/11 15:09:05 kyrre Exp $
for file in `find -s . -type f`; do
if file -b $file | grep -q 'text'; then
echo >> $file
tr -d '\r' < $file | cat -s | sed -E -e
's/[[:space:]]+$//' > $file.tmp
mv -f $file.tmp $file
echo "$file: Done"
I'd be interested in knowing if you manage to improve this script.
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