在用Perl 调用 grep时遇到如下提示“"\w" is unrecognized escape”,
$build_num = `find ./ -type d -maxdepth | grep -E "Linux/\w+" | wc -l `;
Solution :
反斜线前面需要再加一个反斜线。
$build_num = `find ./ -type d -maxdepth | grep -E "Linux/\\w+" | wc -l `;
在用Perl 调用 grep时遇到如下提示“"\w" is unrecognized escape”,
$build_num = `find ./ -type d -maxdepth | grep -E "Linux/\w+" | wc -l `;
反斜线前面需要再加一个反斜线。
$build_num = `find ./ -type d -maxdepth | grep -E "Linux/\\w+" | wc -l `;