view tests/xargs.test @ 1650:a740a876c76c draft

Cleanup pass on printf. Alas, passing a union as the last argument to printf does not appear to work reliably, and there's no obvious way to manually assemble varargs in a portable manner. So I have to repeat the printf once for each data type. Oh well.
author Rob Landley <>
date Sun, 11 Jan 2015 01:22:36 -0600
parents 8700cbe1cb29
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[ -f ] && .

#testing "name" "command" "result" "infile" "stdin"

testing "xargs" "xargs && echo yes" "hello\nyes\n" "" "hello"
testing "xargs spaces" "xargs" \
	"one two three four\n" "" "one two\tthree  \nfour\n\n"

testing "xargs -n 0" "xargs -n 0 2>/dev/null || echo ok" "ok\n" \
	"" "one \ntwo\n three"
testing "xargs -n 2" "xargs -n 2" "one two\nthree\n" "" "one \ntwo\n three"
testing "xargs -n exact match" "xargs -n 3" "one two three\n" "" "one two three"
testing "xargs2" "xargs -n2" "one two\nthree four\nfive\n" "" \
	"one two three four five"
testing "xargs -s too long" "xargs -s 9 echo 2>/dev/null || echo ok" \
	"one\ntwo\nok\n" "" "one two three"
testing "xargs -s 13" "xargs -s 13 echo" "one two\nthree\n" "" "one \ntwo\n three"
testing "xargs -s 12" "xargs -s 12 echo" "one\ntwo\nthree\n" "" "one \ntwo\n three"

touch one two three
testing "xargs command -opt" "xargs -n2 ls -1" "one\ntwo\nthree\n" "" \
	"one two three"
rm one two three


testing "xargs -n exact match"
testing "xargs -s exact match"
testing "xargs -s 0"
testing "xargs -s impossible"

# xargs command_not_found - returns 127
# xargs false - returns 1