grep

print lines matching a pattern

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169
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grep -w -e '(.)(.).21' file

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53
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grep -rH --include='*.c' 'hello' /home/gigi

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46
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grep -w 'hello' *

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grep --label=foo something

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grep -E -e '^(.?)(.?)(.?)(.?)(.?)(.?)(.?)(.?)(.?).?987654321$' file

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33
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grep -H 'eli' /etc/passwd

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grep -e '--cut here--' *

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23
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ls -l | grep '^d' | awk '{print "rm -r "$9}' | shRemove only the directories

7 years, 3 months ago john2 0 | details |

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22
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grep -C 2 'hello' *

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grep -l 'main' *.c

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dd if=/dev/mem | hexdump -C | grep 'default'To search memory for the string default

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grep -r 'hello' /home/gigi

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grep -R root *look for the keyword root in all files recursively form the current directory

7 years, 3 months ago john 0 | details |

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grep -rH 'hello' *.c

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13
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Check if your computer is 32 or 64bitgrep --color=always -iw lm /proc/cpuinfoif you see "lm" in the out put your computer is 64bit

5 years, 11 months ago gitweb 0 |

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cat /var/log/apache/access_log | grep 404Look for 404 logs in apache

7 years, 3 months ago john 0 | details |

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11
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grep --binary-files=text

source | details |

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11
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echo 1 2 3 4 | grep 4look for occurrences of 4 in 1 2 3 4

7 years, 3 months ago john 0 | details |

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cat /etc/passwd | grep rootlook for the root user in /etc/passwd

7 years, 3 months ago john 0 | details |

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grep -P

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