Created
May 9, 2017 07:29
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three useful sed function
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| function join_lines() | |
| { | |
| local delim=${1:-,} | |
| sed 'H;$!d;{x;s/\n/'$delim'/g;s/'$delim'//}' | |
| } | |
| function reverse_lines() | |
| { | |
| sed '1!G;h;$!d' | |
| } | |
| function print_line_number() | |
| { | |
| local delim=${1:-'\t'} | |
| sed = |sed 'N;s/\n/'$delim'/' | |
| } |
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