bash shell脚本heredoc问题

Question

i want run a bash shell script like this:

while read file;

do

  echo $file; 

done << eof

$(ls)

eof;`

it work well in a sample .sh file. but when put this in a function like:

function {
    while read file;
    do
        echo $file;
    done << eof 
    $(ls) 
    eof;
}

it not work for me.

i dont know how to fix it now.

Answer 1

try un-indenting your eof:

function {
    while read file;
    do
        echo $file;
    done << eof 
    $(ls) 
eof;
}

Answer 2

不要缩进您的Heredoc，并且您的eof标记不应包含尾随的分号

Answer 3

In bash : use <<-TERMINATION if you want it to ignore whitespaces before the TERMINATION string (but if you prefer compatibility, use <<TERMINATION and have TERMINATION alone on a line, and starting at the first column. If the trailing ; is a problem too, put it on the next line (or put a : ; if you prefer)

And give a name to your function : function myfunction { ... } (or, more compatible : myfunction () { ... } )