a beginner's question# Unix - 噫吁兮，危乎高哉
r*u
1 楼
How to print the odd (or even) lines of a file to another file?
r*s
2 楼
with enscript:
% enscript -a odd(or even) -o outputfile.ps inputfile.name
【在 r*u 的大作中提到】
: How to print the odd (or even) lines of a file to another file?
% enscript -a odd(or even) -o outputfile.ps inputfile.name
【在 r*u 的大作中提到】
: How to print the odd (or even) lines of a file to another file?
r*u
3 楼
Thanks. Any way to do it without enscript?
【在 r*****s 的大作中提到】
: with enscript:
: % enscript -a odd(or even) -o outputfile.ps inputfile.name
【在 r*****s 的大作中提到】
: with enscript:
: % enscript -a odd(or even) -o outputfile.ps inputfile.name
c*t
4 楼
1. use wc to count # of lines
2. generate odd #'s
3. create a sed script to delete those # lines
【在 r*u 的大作中提到】
: Thanks. Any way to do it without enscript?
2. generate odd #'s
3. create a sed script to delete those # lines
【在 r*u 的大作中提到】
: Thanks. Any way to do it without enscript?
r*u
5 楼
Thanks. I found another sed command that can do this.
In a general case, beginning at line 3, print every 7th line,
sed -n '3,${p;n;n;n;n;n;n;}'
So I can modify it for printing odd or even lines.
【在 c*****t 的大作中提到】
: 1. use wc to count # of lines
: 2. generate odd #'s
: 3. create a sed script to delete those # lines
In a general case, beginning at line 3, print every 7th line,
sed -n '3,${p;n;n;n;n;n;n;}'
So I can modify it for printing odd or even lines.
【在 c*****t 的大作中提到】
: 1. use wc to count # of lines
: 2. generate odd #'s
: 3. create a sed script to delete those # lines
p*f
6 楼
perl -pe'$_ x=$.&1'
【在 r*u 的大作中提到】
: How to print the odd (or even) lines of a file to another file?
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