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Milliseconds to Date in Sun OS 5.10

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# 1  
Old 03-26-2018
Milliseconds to Date in Sun OS 5.10
I am using Sun OS 5.10
I am Using nawk to extract specific column from csv file.
The third column of csv is the time in Milliseconds and I need to convert it to Date then save it in another csv file.

I am use this command to extract the columns I need and save it in tttn.csv

Code:
nawk 'BEGIN {FS = ","}; NR>1 split($42,a,"|") {print $3 "," $46 "," $48 "," 
$47 "," null "," null "," a[2] "," $6 "," $49 "," $7 "," $8 ","}' ttt.csv  > 
tttn.csv

What I should write to convert the third column $3 from milliseconds to Date
Here is on sample from the third column 1519208012.638884910 and I need to convert it to be in this format '02/21/2018 17:04:95'

How can I handle this task?
Last edited by vgersh99; 03-26-2018 at 02:32 PM.. Reason: code tags, please
# 2  
Old 03-26-2018
Code:
print strftime("%D %T", $3)

Code:
dt="date +\"%D %T\" -d @" $3
dt | getline $3
close (dt)
print $3

Last edited by rdrtx1; 03-26-2018 at 06:20 PM..
# 3  
Old 03-26-2018
Quote:
Originally Posted by rdrtx1
Code:
print strftime("%D %T", $3)

strftime is a GNU extension - Solaris' nawk is not gawk.

---------- Post updated at 04:49 PM ---------- Previous update was at 04:15 PM ----------

Here's the old Solaris hack - epoch->readable - don't have the OS right now to validate - YMMV:
Code:
currentEpoch='1519208012'
echo "0t${currentEpoch}=Y" | /usr/bin/adb

# 4  
Old 03-26-2018
Quote:
Originally Posted by rdrtx1
Code:
print strftime("%D %T", $3)

Code:
dt="date +\"%D %T\" -d @" $3
dt | getline $3
close (dt)
print $3

---------------------
Where should i write this commands

---------- Post updated at 05:03 PM ---------- Previous update was at 05:02 PM ----------

Quote:
Originally Posted by vgersh99
strftime is a GNU extension - Solaris' nawk is not gawk.

---------- Post updated at 04:49 PM ---------- Previous update was at 04:15 PM ----------

Here's the old Solaris hack - epoch->readable - don't have the OS right now to validate - YMMV:
Code:
currentEpoch='1519208012'
echo "0t${currentEpoch}=Y" | /usr/bin/adb

-----------------
Where Should I write this command
# 5  
Old 03-26-2018
You can try /usr/bin/adb like vgersh99 suggests (I'm not sure what format your date will appear in however) like this:

Code:
awk 'BEGIN {FS = ","}; NR>1 split($42,a,"|") {
TM=$3
sub(/[.].*$/,x,TM)
CMD="echo \"0t\" TM | /usr/bin/adb"
CMD  | getline tm
close (CMD)
print tm "," $46 "," $48 "," $47 "," null "," null "," a[2] "," $6 "," $49 "," $7 "," $8 ","}' ttt.csv > tttn.csv

or use perl like this:

Code:
awk 'BEGIN {FS = ","}; NR>1 split($42,a,"|") {
TM=$3
sub(/[.].*$/,x,TM)
CMD="perl -we '\''use POSIX ; print strftime(\"%m/%d/%Y %T\", localtime(" TM "))'\''"
CMD  | getline tm
close (CMD)
print tm "," $46 "," $48 "," $47 "," null "," null "," a[2] "," $6 "," $49 "," $7 "," $8 ","}' ttt.csv > tttn.csv

# 6  
Old 03-27-2018
Quote:
Originally Posted by Chubler_XL
You can try /usr/bin/adb like vgersh99 suggests (I'm not sure what format your date will appear in however) like this:

Code:
awk 'BEGIN {FS = ","}; NR>1 split($42,a,"|") {
TM=$3
sub(/[.].*$/,x,TM)
CMD="echo \"0t\" TM | /usr/bin/adb"
CMD  | getline tm
close (CMD)
print tm "," $46 "," $48 "," $47 "," null "," null "," a[2] "," $6 "," $49 "," $7 "," $8 ","}' ttt.csv > tttn.csv

or use perl like this:

Code:
awk 'BEGIN {FS = ","}; NR>1 split($42,a,"|") {
TM=$3
sub(/[.].*$/,x,TM)
CMD="perl -we '\''use POSIX ; print strftime(\"%m/%d/%Y %T\", localtime(" TM "))'\''"
CMD  | getline tm
close (CMD)
print tm "," $46 "," $48 "," $47 "," null "," null "," a[2] "," $6 "," $49 "," $7 "," $8 ","}' ttt.csv > tttn.csv

thanks for your reply but the first solution give the following error :
adb: syntax error on line 1 of (stdin) near "tm"

the second solution works but with very low performance

Could you please help me to enhance the performance or fix the fist solution error
note that I am using nawk because awk and gawk gives me errors too.
# 7  
Old 03-27-2018
Oh so you have gawk on your system then.

Give this a go:

Code:
gawk 'BEGIN {FS = ","}; NR>1 split($42,a,"|") {
print strftime("%D %T", $3) "," $46 "," $48 "," $47 "," null "," null "," a[2] "," $6 "," $49 "," $7 "," $8 ","}' ttt.csv > tttn.csv

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