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Try...n1=$(head -1 file1)
n2=$(tail -1 file1)

Did you try my code posted above? I'll repost it...awk '/\(\)/&&i==0;/{/{i++}/}/&&i--&&i==0' file

sed 's/\([^ ]*\) *\(.*\)/\1 \2/' file

Although this smells like homework, here is your solution:
sed 's/\(\d*\) */\1 /'

Hi,

Try next 'Perl' instruction:

$ perl -lape 's/^(\d+)\s*(.*?)\s*$/$1 $2/' infile
Regards,
Birei

I could not reproduce the problem on my machin...

# cat tst
1 a,b,c,d e,f,g,h,i
2 a,a,a a,b
3 a,b,c,d,a,b a,b
4 x,y p,q
5 a,b b,c
6 a,b,2 2,3# sed ':b...

sed ':b s/\(,[^0-9]*\)[0-9]/\1,/g;t b' infileor
sed ':b s/\(,[^[:digit:]]*\)[[:digit:]]/\1,/g;t b' infile
Tested successfully on linux / GNU sed.

You may get a "label too long" error on Sun...

Hey, it does not seem to be a problem exactly with your code.

One possible fallout can be that your c<space>c is really a c<tab>c, but while on display it looks like one single space. A <tab>...

I can't reproduce the problem either. Only spaces are removed in my test file and it all works beautifully well.

So either it's a version that's different enough (GNU sed v4.2.1 here) or the...