UNIX/Linux Bash Shell Scripting: How to Read a File Line by Line in a Shell Script

UNIX/Linux Bash Shell Scripting: How to Read a File Line by Line in a Shell Script

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日期:2025-04-22
while loop reads one line of text at a time.But the beginning of this script does a little file descriptor redirection. The first exec comm-and redirects stdin to file descriptor 3. The second exec command red-irects the $FILENAME file into stdin, which i...看更多