install†
centos†
yum install https://centos7.iuscommunity.org/ius-release.rpm
yum install python36
windows (cygwin)†
cd /usr/bin/
wget https://raw.github.com/kou1okada/apt-cyg/master/apt-cyg
chmod +x apt-cyg
apt-cyg install python3
stdin†
#!/usr/bin/python36
import fileinput,re
for l in fileinput.input():
line = l.rstrip()
m = re.search('([0-9]+):' , line);
if m :
print( m.group(1) );
file open†
f = open(file,'r')
for l in f.readlines():
line = l.rstrip()
print(line)
f.close()
unixtime†
from datetime import datetime
d = datetime.strptime("2019-04-10 10:48:56",'%Y-%m-%d %H:%M:%S') # str -> date型
unixtime = d.timestamp() # double型 (unixtime)
datetime.fromtimestamp( unixtime ) # date型
str = datetime.strftime('%Y%m%d%H%M%S')
system†
proc = subprocess.run('ls *.jpg', shell=True,stdout = subprocess.PIPE, stderr = subprocess.PIPE)
res = proc.stdout.decode("utf8").split()
for line in res:
print(line)
sprintf†
print ("%04d-%02d-%02d" % (year , month, date))
if a==b and b==c:
pass
else:
print "hoge\n";
snipet†
#!/usr/bin/python3
import subprocess,re,fileinput,pprint
from datetime import datetime
def system(cmd):
proc = subprocess.run(cmd, shell=True,stdout = subprocess.PIPE, stderr = subprocess.PIPE)
res = proc.stdout.decode("utf8").split()
return res
# ---------------------------
res = system("ls *.jpg")
for line in res:
print(line)
for l in fileinput.input():
line = l.rstrip()
if re.findall(【regex】,line):
print(line)