Wednesday, December 29, 2021

Find and copy File recursively on MAC terminal

The following command find allt he files with *jpeg extension with in the current folder/children folders recursicely and copy all the files to the ~/mac-photos folder
$ find . -name "*.jpeg" -type f -exec cp {} ~/mac-photos \;

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Monday, November 8, 2021

Code to Split large file and keep the header row on each file

You can pass a single argument as the file name(Exclude the extension...) or you can modify the file to take extension as the arguments.
fileName=$1
splitFileNamePrefix="${fileName}_"
header=$(head -1 ${fileName}.dat)
split -l 40000 ${fileName}.dat splitFileNamePrefix
n=1
for f in splitFileNamePrefix*
do
    prefixSplitNo=0
    if [[ ${n} -gt 9 ]]; then
        prefixSplitNo=''
    fi
    outputFileName="${splitFileNamePrefix}${prefixSplitNo}${n}.dat"
    echo ${outputFileName}
    if [[ ${n} -ne 1 ]]; then
        echo ${header} > ${outputFileName}
    fi
    cat ${f} >> ${outputFileName}
    rm ${f}
    ((n++))
done

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Saturday, September 12, 2020

Running a command as a service in Window!


To create service:
 sc.exe create YOUR_SERVICE_NAME binpath= <PATH_TO_YOUREXECUTABLE>
 
Example:  sc.exe create dockerDService binPath= "C:\Program Files\Docker\Docker\resources\dockerd.exe" start= auto



To delete service:
  sc.exe delete SERVICE_NAME 
 Example : sc.exe delete dockerDService 

Note: Use PowerShell or the command Terminal with Administrator mode

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