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li_cli_grep

Dit is een oude revisie van het document!


Grep options

OR

1. Grep OR Using \|

 grep 'pattern1\|pattern2' filename

2. Grep OR Using -E

 grep -E 'pattern1|pattern2' filename

3. Grep OR Using egrep

 egrep 'pattern1|pattern2' filename

4. Grep OR Using grep -e

 grep -e pattern1 -e pattern2 filename
AND

5. Grep AND using -E ‘pattern1.*pattern2′

There is no AND operator in grep. But, you can simulate AND using grep -E option.

 grep -E 'pattern1.*pattern2|pattern2.*pattern1' filename

6. Grep AND using Multiple grep command

 grep -E 'pattern1' filename | grep -E 'pattern2'
NOT

7. Grep NOT using grep -v

 grep -v 'pattern1' filename

8. Grep but NOT

 egrep 'Manager|Developer' employee.txt | grep -v Sales
 
Exacte woord match en woord count
grep -o -w [Vv]ader ./liefdesbrief.txt | wc -w
li_cli_grep.1396447494.txt.gz · Laatst gewijzigd: 2019/07/24 18:14 (Externe bewerking)