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Why not simply awk 'FNR == 2' *FstRslts > NewFile ? If the command line becomes too long, try to group input files by their subdivisions, or use xargs to split the line.


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First we define some useful shell variables on our commandline: $ d='[0-9]' $ pre='TrkNbr_1083n1282_L1n2_PrelimPops' $ main="$d${d}SubSampPops_Rep$d$d$d" $ post='GenDivRslts' $ filename="${pre}_${main}_${post}" With GNU awk: $ find . -type f -name "$filename" | sort -t_ -nk5.1,5.2 -nk6.4,6.6 | xargs -r awk 'FNR==2{print;nextfile}' \ > ...


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zsh version (default shell in Mac terminal): for file in $(find . -type f -iname "*.txt"); cat "$file" | head -2 | tail -1 >> output.txt This assumes all the input text files are in the same directory and order of processing the files is not important. bash version: for file in $(find . -type f -iname "*.txt"); do cat $file | head -2 | tail -1; ...


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PCI passthrough has been dropped for now from VirtualBox altogether, it seems. From VirtualBox 6.1 changelog: Linux host: Drop PCI passthrough, the current code is too incomplete (cannot handle PCIe devices at all), i.e. not useful enough


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Finder is using SI units k=10^3 The -h option of du uses k=2^10, there is also an -si option for du. In both systems, M=k^2, G=k^3, T=k^4


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This is because finder uses MB/GB rather than MiB/GiB. For any reasonable person a MB is 1024 KB which is 1024 B however some non-technical people decided this does not fit with base 10 scientific notation and they somehow convinced the rest of the world that a MB is 1000 KB which is 1000 B. ls reports files in KiB, MiB, GiB, etc. Although there is no ...


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