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- find returns a list of matching file paths on its standard output
- the paths are piped to the standard input of xargs
- xargs takes the data on its standard input and calls the specified function (here ln) with that data as the function's argument list.
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rm -rf ~/test; mkdir ~/test; cd ~/test
find /stor/work/CCBB_Workshops_1/bash_scripting/fastq -name "*.gz" | xargs ln -sf -t . |
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cd ~/test
ln -s -f -t . /stor/work/CCBB_Workshops_1/bash_scripting/data/*.txt
cut -f 2 joblist.txt | sort | uniq | wc -l
# there are 1234 unique runs |
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