使用Shell脚本提取“ [和]”之间的值

Question

使用shell脚本在“ [和]”之间提取值

"[""sometext1"", ""sometext2"", ""sometext3""]"

Answer 1

echo '"[""sometext1"", ""sometext2"", ""sometext3""]"'|cut -d "[" -f2 | cut -d "]" -f1

Answer 2

转义第一个'['

echo '"[""sometext1"", ""sometext2"", ""sometext3""]"'|
   sed -r 's/"\[(.*)]"/\1/'

Answer 3

使用Perl

$ echo '"[""sometext1"", ""sometext2"", ""sometext3""]"'
"[""sometext1"", ""sometext2"", ""sometext3""]"

$ echo '"[""sometext1"", ""sometext2"", ""sometext3""]"' | perl -ne ' m/\[(.*)\]/ and print $1 '
""sometext1"", ""sometext2"", ""sometext3""
$