I run grep searches often but sometimes it takes so long I write to a file instead as a background task but it still has output for apparently errors (I think). For example:
我经常运行grep搜索，但有时需要很长时间才能写入文件而不是后台任务，但它仍然有明显错误的输出（我认为）。例如：
grep -rl word . > grep-word.txt &
So this runs it in the background and lets me input new commands while it's running but then it randomly pops up messages like this:
所以这在后台运行它让我在运行时输入新命令，然后随机弹出这样的消息：
grep: ./var/run/dbus/system_bus_socket: No such device or address
How do I get it to suppress or redirect these errors?
如何让它抑制或重定向这些错误？
1 个解决方案
#1
1
Assuming bash or sh (you don't say what shell you're calling this from):
假设bash或sh（你没有说你从哪个shell调用它）：
grep -rl word . > grep-word.txt 2> /dev/null &
#1
1
Assuming bash or sh (you don't say what shell you're calling this from):
假设bash或sh（你没有说你从哪个shell调用它）：
grep -rl word . > grep-word.txt 2> /dev/null &