在用Perl 調用 grep時遇到如下提示“"\w" is unrecognized escape”,
$build_num = `find ./ -type d -maxdepth | grep -E "Linux/\w+" | wc -l `;
Solution :
反斜線前面需要再加一個反斜線。
$build_num = `find ./ -type d -maxdepth | grep -E "Linux/\\w+" | wc -l `;
在用Perl 調用 grep時遇到如下提示“"\w" is unrecognized escape”,
$build_num = `find ./ -type d -maxdepth | grep -E "Linux/\w+" | wc -l `;
反斜線前面需要再加一個反斜線。
$build_num = `find ./ -type d -maxdepth | grep -E "Linux/\\w+" | wc -l `;