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cp.py
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cp.py
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import os, sys
from stat import *
def main():
last_argument = sys.argv[len(sys.argv)-1]
mode = os.stat(last_argument)[ST_MODE]
if (len(sys.argv) < 3):
if (len(sys.argv) == 1):
print("Enter source file/files")
print("Enter a destination file or directory")
sys.exit()
elif S_ISDIR(mode) and (sys.argv[1] != "-R"): #OPTIMIZE IT
for f in sys.argv[1:len(sys.argv)-1]:
src_file = open(f,"r")
pathname = os.path.join(last_argument,f)
dest_file = open(pathname,"w+")
copyfile(src_file,dest_file)
elif S_ISREG(mode) and (len(sys.argv) == 3):
src_file = open(sys.argv[1],"r")
dest_file = open(sys.argv[2],"w+")
for line in src_file:
copyfile(src_file,dest_file)
elif (sys.argv[1] == "-R") and (S_ISDIR(os.stat(sys.argv[2])[ST_MODE])): #ASSUMING THAT DEST IS ALREADY A DIR
os.mkdir(os.path.join(sys.argv[3],sys.argv[2]))
copydir(sys.argv[2],os.path.join(sys.argv[3],sys.argv[2]))
else:
print("cannot execute command")
sys.exit()
def copydir(src_dir,dest_dir):
for f in os.listdir(src_dir):
pathname = os.path.join(src_dir,f)
mode = os.stat(pathname)[ST_MODE]
if S_ISDIR(mode):
os.mkdir(os.path.join(dest_dir,f))
copydir(pathname,os.path.join(dest_dir,f))
elif S_ISREG(mode):
src_file = open(pathname,"r")
pn = os.path.join(dest_dir,f)
dest_file = open(pn,"w+")
copyfile(src_file,dest_file)
else:
print("cannot execute command")
sys.exit()
def copyfile(src_file,dest_file):
for line in src_file:
dest_file.write(line)
if __name__ == "__main__":
main()