Python : convert to localtime from epoch time

small tips.

# python --version Python 2.7.3

1. convert space-demilited text file’s timestamp from epoch to localtime

# cat space-demilited-ephoc.txt 1342199723 hello bye

python script

# cat -n space-demilited-text-file-convert-to-localtime-from-epoch.py     1 #!/usr/bin/env python     2 # -*- coding: UTF-8 -*-     3     4 import sys     5 import time     6     7 arg = sys.argv[1]     8 f = open(arg, 'r')     9    10 for line in f:    11        s = line.split()    12        a = s[0]    13        s[0] = time.ctime(float(a))    14        print " ".join(s)    15    16 f.close()

convert to localtime from epoch time.

# ./space-demilited-text-file-convert-to-localtime-from-epoch.py space-demilited-ephoc.txt Sat Jul 14 02:15:23 2012 hello bye

2. convert comma-demilited text file’s timestamp from epoch to localtime

# cat comma-demilited-ephoc.txt 1342199723,hello,bye

python script

# cat -n comma-demilited-text-file-convert-to-localtime-from-epoch.py     1 #!/usr/bin/env python     2 # -*- coding: UTF-8 -*-     3     4 import sys     5 import time     6 import csv     7     8 arg = sys.argv[1]     9 f = open(arg, 'r')    10 reader = csv.reader(f)    11    12 for line in reader:    13        a = line[0]    14        line[0] = time.ctime(float(a))    15        print ",".join(line)    16    17 f.close()

convert to localtime from epoch

# ./comma-demilited-text-file-convert-to-localtime-from-epoch.py comma-demilited-ephoc.txt Sat Jul 14 02:15:23 2012,hello,bye