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Linux Commands

tech/snippet

execute the command with line number of 1957 in 'history' command: !1957

how to count the number of lines of code in a directory recursively: find . -name '*.py'| xargs wc -l

Way to unzip file to different directories:

for i in *.zip; do 
    mkdir "$i-dir" 
    cd "$i-dir" 
    unzip "../$i" 
    cd ..
done

find string recursively in files in a folder: find . -type f -print0 | xargs -0 grep -l "try" find file recursively: find . -name "*.pdf" replace string recursively in files in a folder: find . -name "*.cpp" -print0 | xargs -0 -n 1 sed -i -e 's/from/to/g'