if [ -f real_file ] can detect if "real_file" exists, now i link a file to real_file, ln -s real_file file_reference this file_reference always exists, even if i delete real_file. but my script just want to detect if the file is really there using file_reference. how to do that pls ?
【在 w*s 的大作中提到】 : if [ -f real_file ] : can detect if "real_file" exists, : now i link a file to real_file, : ln -s real_file file_reference : this file_reference always exists, : even if i delete real_file. : but my script just want to detect if the file is really there : using file_reference. : how to do that pls ?