trace17.txt.svn-base

os project / shell 程序

#
# trace17.txt - Properly handle Input and Output Redirection.
#

/bin/echo -e tsh\076 ./myrw \074 myinput
./myrw < myinput

/bin/echo -e tsh\076 /bin/touch myoutput
/bin/touch myoutput

/bin/echo -e tsh\076 /bin/rm myoutput
/bin/rm myoutput

/bin/echo -e tsh\076 /bin/ps \076 myoutput
/bin/ps > myoutput

/bin/echo -e tsh\076 /bin/cat myoutput
/bin/cat myoutput

/bin/echo -e tsh\076 /bin/rm myoutput
/bin/rm myoutput

/bin/echo -e tsh\076 /bin/ps
/bin/ps

/bin/echo -e tsh\076 quit
quit