Tag Archives: Bash

Count number of lines in a text file

Posted on August 24, 2009 by Ahmed Tawfik

wc -l file_name

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Extract Lines From a Text File

Posted on August 24, 2009 by Ahmed Tawfik

“sed -n 2,4p file_name” extracts lines from 2 to 4 from that file

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How To Write Infinite Loop in Bash

Posted on August 18, 2009 by Ahmed Tawfik

This is how you create an infinite loop in bash to run a piece of code infinitely at defined intervals. #!/bin/bashwhile [ 1 ]do # Your code goes here # Modify sleep time (in seconds) as needed below sleep 2done … Continue reading →

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find files and copy them to a certain folder in bash (draft)

Posted on August 17, 2009 by Ahmed Tawfik

find . -name “*” | grep -i scomm | xargs ls -ltr | grep “Aug 13 10” | awk ‘{print $9}’ to use in the cp command (get the column number 9 which contains the file’s full path cp `find … Continue reading →

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How to search for a string inside multiple text files

Posted on August 16, 2009 by Ahmed Tawfik

find starting_folder -name “*” | grep -i file_name | xargs grep -i search_string for example: “find . -name “*” | grep -i hobba | xargs grep -i tito” searches for the string “tito” inside all files whose name contains the … Continue reading →

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