On 08/02/2017 10:05 AM, Daiyue Weng wrote: > Hi, I am trying to removing extra quotes from a large set of strings (a > list of strings), so for each original string, it looks like, > > """str_value1"",""str_value2"",""str_value3"",1,""str_value4""" > > > I like to remove the start and end quotes and extra pairs of quotes on each > string value, so the result will look like, > > "str_value1","str_value2","str_value3",1,"str_value4"
<SNIP> This part can also be done fairly efficiently with sed: time cat hugequote.txt | sed 's/"""/"/g;s/""/"/g' >/dev/null real 0m2.660s user 0m2.635s sys 0m0.055s hugequote.txt is a file with 1M copies of your test string above in it. Run on a quad core i5 on FreeBSD 10.3-STABLE. -- https://mail.python.org/mailman/listinfo/python-list