The shell iterates through a sentence, outputting a specific long string

Take out a string of specific long strings in a series

Method One

#!/bin/bashhello= "hello,world.my name is Jerry,what ' your name?" For word in ${hello[@]};d o [${#word}-GT 4] && echo $worddone

Method Two

[' Echo $word |wc-l '-GT 4] && echo $word

Method Three

[' Expr length $word '-GT 4] && echo $word

Method Four: awk

echo "hello,world.my name is Jerry,what ' s your name?" | awk ' {for (i=1;i<=nf;i++) if (length ($i) >=4) print$i} '

An order is complete. After all awk!

This article is from the "Ops Dog" blog, make sure to keep this source http://yunweigou.blog.51cto.com/6299641/1635889

The shell iterates through a sentence, outputting a specific long string