The implementation of Shell grammar exercises simple Read file

#!/bin/bashfile= "/etc/passwd" for row with $ (head-n $file) do echo "$row";   $row is the data for each row in the file ifs=:for value in $rowdo echo "------$value"; $value is passed through in each line: The content done;done after the split;

Reads the contents of the 10-row/etc/passwd file, because each line of content uses: to divide different fields, so the IFS separator is set to:. Re-read the data for each row.

IFS: Separators

The implementation of Shell grammar exercises simple Read file