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lheckemann/gist:df2a7cf0b07983ceab27636b8e654045 Secret

Created January 28, 2019 14:03
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gistfile1.txt
[linus@bringtnix:~/nixpkgs]$ a=helloworld
[linus@bringtnix:~/nixpkgs]$ echo "${a/low/high/}"
helhigh/orld
[linus@bringtnix:~/nixpkgs]$ echo "${a/low/high}"
helhighorld
[linus@bringtnix:~/nixpkgs]$ echo "${a/l?w/high}"
helhighorld
[linus@bringtnix:~/nixpkgs]$ echo "${a/"l?w"/high}"
helloworld
[linus@bringtnix:~/nixpkgs]$ pat="l?w"
[linus@bringtnix:~/nixpkgs]$ echo "${a/"$pat"/high}"
helloworld
[linus@bringtnix:~/nixpkgs]$ echo "${a/$pat/high}"
helhighorld
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