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grep -E "for.*256" program.c
这个错误是由于 grep 将 --> 视为一个选项,而不是一个模式。要解决这个问题,可以在模式前加上 -- 参数,告诉 grep 这个是模式而不是选项。命令如下: grep -- "-->" error.txt | awk -F ':' '{print $1}' | sort -u | wc...
vim search whole world Yes, when using Vim, you can search for whole words by wrapping them in \< and \>. Here's how to do it: To search for a whole...