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krebs shell: add cat

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tv 2015-08-28 20:11:03 +02:00
parent 015720ef89
commit f6997378c9
1 changed files with 7 additions and 0 deletions
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7
krebs/4lib/shell.nix
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@ -12,4 +12,11 @@ rec {
if isSafeChar c then c
else if c == "\n" then "'\n'"
else "\\${c}");
#
# shell script generators
#
# example: "${cat (toJSON { foo = "bar"; })} | jq -r .foo"
cat = s: "printf '%s' ${escape s}";
}