Linux commands

Linux commands

find . -name "*textToSearch*" -print
find . -iname "*textToSearch*" -print  (case insensitive)
--recursive search for a file in directory that contains 'textToSearch' in file name
find . -maxdepth 1 -name "*textToSearch*" -print
-- -maxdepth 1 - means search only in current directory, not subdirectories
-- https://stackoverflow.com/questions/11328988/find-all-files-with-name-containing-string


find libdir -name "*.jar" -exec zipgrep "TEXTTOFINDINSIDEJAR" '{}' \;
find . -name "*.jar" -exec zipgrep "TEXTTOFINDINSIDEJAR" '{}' \;
-libdir the directory that contains the jar files
- . means search in current directory


grep -r "textToSearch" logfilename.txt
--search occurence of 'textToSearch' string inside logfile name

grep -r "textToSearch" logfilename.txt > res.txt
--search occurence of 'textToSearch' string inside logfile name, and saves the result inside file called res.txt
-- add -n to show line number where textToSearch occurs ex. grep -r -n "textToSearch" logfilename.txt
-- -r search recursively
-- search all files recursively then replace logfilename.txt with . (dot)



https://stackoverflow.com/questions/15286947/how-perform-grep-operation-on-all-files-in-a-directory
//this will get all the lines inside the directory from all the files
grep -rni '<string to compare>' *



https://stackoverflow.com/questions/15286947/how-perform-grep-operation-on-all-files-in-a-directory
//this will get all the lines inside the directory from all the files
grep -rni '<string to compare>' *



watch realtime a log file for occurence of text 
tail -1000f logFileName.log | grep -i "textToFindOccurence"