多行字符串，如何用特定字符拼接起来

linlone

比如

1. one
   
2. two 2
   
3. three 3
   
4. four

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输出：

1. one, two 2, three 3, four

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jason680

回复 1# linlone


$ awk  'BEGIN{RS="\0";FS="\n";OFS=","}{NF--;print}' FILE
one,two 2,three 3,four

$ awk  '{printf("%s",c$0);c=","}END{print""}' FILE
one,two 2,three 3,four

moperyblue

1. paste -sd,

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linlone

回复 4# 本友会机友会摄友会

如果用tr "\n" ","，最后那个\n也替换成“，”了

sunzhiguolu

1. 
   
2. perl -0ple 's/\n(?!\z)/,/g' f
   

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wh7211

回复 1# linlone

1. awk '{a[NR]=$0}END{for(i=1;i<=NR;i++){printf a[i] (i<NR?",":"\n")}}' file

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wh7211

回复 1# linlone

1. sed -n ':a;$!{N;ba};s/\n/,/gp' file

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灿烂小猪

awk 'BEGIN{RS="";FS="\n";OFS=","}{$1=$1;print $0}' urfile