Posix shell function for finding executable files in the $PATH

orbea ec41715f06 Use test -n everywhere %!s(int64=2) %!d(string=hai) anos
scripts 75426af2f1 test.sh: Test if command exits with the first missing arg. %!s(int64=4) %!d(string=hai) anos
.gitignore 508406ee4e exists.sh: Return absolute paths. %!s(int64=4) %!d(string=hai) anos
LICENSE ec41715f06 Use test -n everywhere %!s(int64=2) %!d(string=hai) anos
TODO 69f7c7a66a Add a TODO. %!s(int64=4) %!d(string=hai) anos
command.sh ec41715f06 Use test -n everywhere %!s(int64=2) %!d(string=hai) anos
exists.sh ec41715f06 Use test -n everywhere %!s(int64=2) %!d(string=hai) anos
run.sh ec41715f06 Use test -n everywhere %!s(int64=2) %!d(string=hai) anos
test.sh ec41715f06 Use test -n everywhere %!s(int64=2) %!d(string=hai) anos
which.sh ec41715f06 Use test -n everywhere %!s(int64=2) %!d(string=hai) anos