Add timestamp with awk. I would also need to see the timestamp for each entry.

Add timestamp with awk We can use the -D option of ping for printing timestamps: The timestamps are printed within brackets at the beginning of each ping This is like typing the mv command completely, there is no single form of speed up here. If the input file never contains a timestamp in the second field, then the awk command doesn't produce any output. bashrc, you're able to add the timestamps to the history But really what you want to do is get awk to read the list. It - very simplified - looks like this one: I could not find any way to let screen print timestamps. Converting timestamp to EPOCH in awk. It is designed to add the current date and time in the form mm/dd hh:mm to the beginning of each line having fetched that timestamp from the system as each line is read. Ask Question Asked 9 years, 7 months ago. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Looking to convert human readable timestamps to epoch/Unix time within a CSV file using GAWK in preparation for loading into a MySQL DB. Just adding new benchmarks (still same OpenSuse PC, May 2023), and adding awk solution, as suggested by StéphaneGourichon in the comments. Ouptut: CFLGftt2hfrBhr6Ltyjdx DELGongDKGbehr6Lsak CFLGftt2hfrBhr6Ltyjdx You can then pipe it to sort --unique if needed. But, as you Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Did you consider the 'ts' command at all? Candidly speaking, there's no need for the log_pipe() program as unix/linux already has the 'ts' command which does exactly what you're trying to do. E. 0. txt How unzip temp. Create (or edit) ~/. >>> yes | while IFS= read -r line; do echo "$(date) ${line}"; done | uniq -c 561 Tue 09 May 2023 10:20:39 AM CEST y 704 Tue 09 May 2023 10:20:40 AM CEST y 695 Tue 09 May 2023 10:20:41 AM CEST y 696 I have a large CSV file with dates stored as YYYY-MM-DD. 759503Z"). +1 – anishsane. 142345687 I want the output to contain a single line per object ID, followed by the timestamp of the first line, followed by the timestamp of the second line. The time format is like this: 16:13:04,699 I want the difference in minutes. For example: Replace linux epochs by human-readable timestamps, by calling date; Replace hexa dumps of a specific protocol packets by their decoded counterparts, by calling an in-house decoder I have a long running process running and I want to monitor its RAM usage. Similarly to ts, it also uses the strftime format. I would like to save the output of the grep to a file, but also include a timestamp at the beginning of each line (the time at which the line appeared). I'd like to use sed or any command line tool to replace parts of lines by the output of shell commands. xml and then isolate and format the timestamp for use in a csv/database. It works if I change the awk command to have an actual date hardcoded as such . But I'm not a coder, so summing minutes and hours in I tried separating the column using awk -F"[,/ :]"and then processing based on lengths. Visit Stack Exchange My attempt above in awk. Commented Sep 19, 2016 at 5:29. Is this even possible? By adding this line to the ~/. 598 262 I'm sure you can figure out how to convert ms to the min/sec/ms format you want and add whatever other info you need in whatever format you need like in your existing script. 142345687. You can do it with a simple epoch timestamp (seconds Add a comment | 4 Answers Sorted by: Reset to default #!/usr/bin/awk -f # Formats the timestamp as a number, so that higher numbers represent # a later timestamp. h> #include <sys/time. Your original date format is locale formatted, local time. #!/bin/bash set -e run_receiver(){ pushd event-receiver npm run clean npm run build node dist/index. This part should probably be a comment on Pax's answer, but it got a bit long for that little box. I would also need to see the timestamp for each entry. csv in another process. Commented Aug 31, 2016 at 3:36. log This is an addition to my previous question-- I realized I'm in need of a more "robust", regex-based solution. 364 218 09/03/2020 00:20:03. For example, socat -v READLINE /dev/ttyS0,b19200,raw,echo=0 2>/tmp/log Whatever you type on the stdin of this command will be sent to the serial port ttyS0 at the given baud rate etc. Add logging configuration to . – SirOracle. However, nothing should be lost unless the checks are done I'm using bash and I would like to convert list of dates in format "08-Sep-2020 07:08:49" to timestamp. awk. csv readme. */ #include <stdio. If gawk had a strptime() THEN that would work, but it doesn't (and I can't persuade the maintainers to provide one) so you have to massage the timestamp into a format that mktime() can convert to seconds and then pass THAT to Hi guys! I have a csv file that includes a timestamp column with ISO 8601 format (ex. $ awk -f tst. awk programs are commonly used to process log files containing timestamp information, indicating when a particular log record was written. So assign your date to a shell variable and use it inside awk: I'm still learning how to write bash scripts so I've pieced this script together from a few answers I've googled. Understanding the Scenario What is epoch time? The Unix epoch (or Unix time or POSIX time or Unix timestamp) is the number of seconds that have elapsed since January 1, 1970 (midnight UTC/GMT), not counting leap seconds (in ISO 8601: 1970-01-01T00:00:00Z). 1) 56(84) bytes of data. err stop getting populated with stderr stream even though my process (myscript. js "$@" popd } run_simulator(){ pushd simulator npm run clean npm run build node dist/index. How do I add a timestamp to each line while the program writes to the logfile? It does not write its output to stdout. I'm thinking 'single line data' means you don't have any newlines in your variable at all? I need to collect debug traces from a SSH connection. Stack Overflow. I want change Unix epoch (in milliseconds) to normal date in a generic text file. Only do that if you are writing a program file. This will allow you to avoid calling system() for each line. Ask Question Asked 6 years, 8 months ago. js "$@" popd } run_receiver "$@" | awk '{ print "[receiver]", $0 }' 2>&1 I am looking for a one-liner awk code to find the difference between a time and system date. I am trying to understand if you need a pure awk solution or if you are OK with using the command date. Literally speaking, the epoch is Unix time 0 (midnight 1/1/1970), but 'epoch' is often used as a synonym for Unix Vmstat output with timestamp. Ask Question Asked 8 years, 6 months ago. Ruby and Python are slow af. This output will be used for further analysis in other tools. awk file 09/03/2020 00:05:03. I would like to run SSH client from a linux terminal, inside a screen session, being able to interact with the session to start traces and then have all the output logged to a file, but I also would like to add a timestamp in front of each line including the millisecond information. I'm trying to use a gawk s Ping can print you a timestamp on every line but its in unix date format :( ping -D localhost PING localhost. Modified 2 years, 3 months ago. csv for reading while tee is being redirected to 1. awk that solves the problem(s) for one file 2) write a bash script in which a) xargs is used to store all filenames with path and b) foo. Data Example: {null};2013-11-26;Text &amp; Device;Location;/ I'm attempting to redirect the output from an AWS cli command (retrieving files from an S3 bucket) into awk which will prefix the output with a timestamp and then write it out to a file - to effectively provide a logging mechanism. #! /bin/ksh # # This scripts takes a list of files in the INDIR variable and compairs it to a list of files that are open in the same directory. sh here) still runs. Thanks. 2. 000+0300 or 2020-09-13t00:25:16. I have an infinite stream of data coming out of a logger, which I am piping to grep. I should also add the second field is sometimes not populated at all. csv" and I want to increase the dates for "6 months" and "10 days" so that I am getting the following output: test. 410" +"%s"` + 000 is what I need for influxdb. If Both GNU and BSD awk support -v for setting variables. # # INDIR = where Looking to convert human readable timestamps to epoch/Unix time within a CSV file using GAWK in preparation for loading into a MySQL DB. Increment date with AWK Hi all, I need your help. The timestamp should at least include seconds. the $2 != "" doesn't seem to fully act like an if statement, Timestamp comparison in awk. Many programs log their timestamps in the It depends on your awk version (you probably have to use gawk instead of awk) or directly run date in your awk commandline, but awk 'NR%13==0 { printf "%d %s\n", systime(), $0 ; Next, for the timestamp, you could use date and pass the output of date as a variable to awk: run_receiver "$@" 2>&1 | awk -v date="$(date)" '{ print date,"[receiver]", $0 }' In this example, we’re piping the output of the echo command to awk. I would like to format the date like this in the output of awk "2022-04-18 11:00:00". I am trying to add a time stamp at the starting Now imagine same log data with timestamp 2020-09-13 00:25:16. And any input from the serial port will appear on stdout. sh result Do you know how I can add the date through a variable instead of the hard coded timestamp? I'll add my revised code above to see it better. whats going on guys. How do I modify the awk part of the above one-liner and add timestamp to it? The resultant output should look like this: 1338936728 3828K+ 1338936729 3838K I'm on a Mac OSX. special characters in strings: concatenation in Awk. "2021-02-25T15:20:30. that is mystd. About; Products Awk string and add text. This will not handle the time zone because date # can't handle the o'clock notation. If that's the case, it does help setting the general direction, as I was trying to do everything in one foo. Ask Question Asked 8 years, 1 month ago. 000+0300, - it still has to produce same expected output. Convert a field to timestamp and insert in CSV. Commented Sep 19, 2016 at 3:38. I need to collect debug traces from a SSH connection. pl #!/usr/bin/perl while (<>) { print localtime() . txt file first, then process the other file with the list. zip - file. The answers you've received are based upon the assumption that you don't mind the timestamp errors introduced by the fact that these are the times that tail writes to its standard output, not the times that the lines were written to the original file in the first place. When a GPIO pin wired button is pressed a bash script command is run. Literally speaking, the epoch is Unix time 0 (midnight 1/1/1970), but 'epoch' is often used as a synonym for Unix Original post: See the gawk manual for strftime, it doesn't expect a time in any format except seconds since the epoch. In this tutorial, we’ll explore multiple approaches to get the current date in awk. screenrc (screen's config file) in your home directory. The awk process is opening 1. If I understand you correctly, a solution would be to 1) write foo. awk is used on all files in xargs. err ) < /dev/null & Works as such but when I log out and log back in to the server, it does not work. I found the way to do it one by one, line by line in a loop but I would like to convert whole file without using loops if possible. 860 09/03/2020 00:20:03. localdomain (127. /* * Redirect stdin to stdout, prepending a millisecond-precision * Unix timestamp to each line. or if you wanted to use line numbers so you can do tail then rather than using wc -l to get the length of the file (which would include the current timestamp you are not printing potentially incomplete results for), have awk print the line number of the line after the last line associated with each timestamp: @Isaac is on the right track and please do leave his as the accepted answer since it'll probably work fine for your input, but I'd do it like this to catch cases where the input doesn't start with the expected [date+time] string, the call to date fails or getline fails otherwise, so it succeeds if there's a ] in the message text that comes after the timestamp, and so it exits with I want to add the timestamp and user, who executed the command to my history command. txt | grep device | grep status_change | awk {time column} | awk 'present Up time next to Down time' | awk '{print $3=$2-$1}' 1:00 Something like that. No, your awk isn't doing anything to the date. unixtimestamp=`date -d "2022-12-15 12:24:15. Example file1 (only numbers with 13 digits are dates): One of the columns is a timestamp and it seems to be breaking the operation. It is safer to use awk rather than sed, to prepend the date to each line, as it will capture a new date for each line. Viewed 14k times 15 . You can add the timestamp within awk using the strftime function (GNU awk) without the need to use date outside: timeout 2s ping -qc1 $output 2>&1 | awk -F/ '/^rtt/ { printf strftime("%d-%m-%Y_%H-%M-%S")" OK %. I was thinking about one line code like "cat /tmp/file | <some_command>"Example file content: 08-Sep-2020 03:07:04 08-Sep-2020 Here's my awk solution (from a Windows/XP system with MKS Tools installed in the C:\bin directory). We also use a . Such variable values are available to the BEGIN block of an AWK program. Viewed 4k times To add to Cyrus's answer, the following works on Mac OSX. below is a script i made and am just curious if there is a "time stamp" command. Stack Exchange Network. Anyone? UPDATE This thing: nohup myscript. Modified 9 years, 1 month ago. csv: "000 @shellter: Thanks for the quick reply. After testing a few example scripts, I noticed that the program closes the logfile to reload its configuration, then it recreates the same file as a plain empty textfile. It's ugly to use BEGIN {FS="\t"} inside an inline program, and any open source contribution you try to make like that is likely to be objected to. Reformatting date times with awk. org: ISO 8601 format , or an UTC relative Unix timestamp. Preferably only using standard linux tools such as pipes, bash, cron etc. the second stage is to sort that output by timestamp (e. Append timestamp to log entries generated from AWK script Hot Network Questions Putting an Ammeter in Parallel with a Wire but Still Having Series-Resistors AWK can't show milliseconds. Improve this answer. Output should be sorted on the timestamp of the start-line; objects without start lines (see obstacles) should be placed at the end. Modified 4 years, 11 months ago. h> int main(int argc, char *argv[]) { char *line = NULL; size_t I need to add a timestamp in front of the output of a long-executing command (a "tcpdump", in my use-case). . This is the script im using and want to add a timestamp in the output file and want to be able to add entries to the same file over and over again. Instead, creating screen's log file and print it with awk works well! 1. to append in perl, adding a space at the end of the timestamp. Here’s an example involving a single command: However, note that the above only adds timestamp prefixes to text written to Using the -D Option of ping and awk. Add a comment | awk solution to compare timestamp with start and end time. Adding a timestamp to each line of top output for an individual run of top -b can be easily done using awk instead of grep for your filtering, because awk has time functions built in, and can inject them into it's output. Awk is a tool for processing streams of texts. However, awk doesn’t have good built-in support for date manipulations, and we often need to rely upon external commands from within an awk script. I'm looking for a simple way to format that date in a readable expression, but i don't have enough practice with awk command and I'm very confused. You can do it in bash and convert the dates with while read loop and date to convert the date to seconds, then subtract it from previous value and print. Also, it is discouraged to use -F instead of -v FS= because the latter makes clear that only FS is being set and not OFS. From the command line this does everything I want: $ cat /dev/ttyUSB0 /home/pi/ I have a program (server) and I am looking for a way (script) that will redirect (or better duplicate) all its stdout to file and add timestamp for each entry. This is the default format when we print, but the localtime function returns more information. zip, with add timestamp in name, result: file. Note that you aren't getting quite what you asked for. It's calling an external command, date and that's what is processing it. I have the following: Add timestamp to tee'd output, but not original output. I've done some research and the furthest I could get was thanks to How to add timestamp to STDERR redirection. Viewed 2k times Now , I need to add timestamp at the end of each lines . You may well not mind, but be aware of this I would like to modify this one-liner to include timestamp along with the value. screenrc to let screen create a log file. I assume the ip is in the 1st column of list. [1415629479. For the sake of conversion, I assume that the time was noon on all dates. As is the nature of race conditions, the results are random and depend on who gets there first. When it changes, print the current totals, reset them to zero, and start accumulating them again from the current input line. It has been kept here as-is, if it is your preference; but usually logs timestamps are better printed with the iso. so i can set the timestamp in a filename. Data Example: {null};2013-11-26;Text &amp; Device;Location;/ Now I get the timestamp of it by running [jishak@hostname /]$ ls --full-time /tmp/file -rw-rw---- 1 jishak psi 0 2021-02-24 14:27:11. Add timestamp to the end of each line of a CSV file. 1. Follow compare files basis two columns and add field. ": $_"; } Now pipe the vmstat command output to this timestamp. awk '$0 > "Mar 15 14:20:50"' msgs >> "${VAR_FILE}" t1a / t1b / t1c / t1a / t2d should append t2d but will actually append t1b / t1c / t1a / t2d. myapp | ts | tee app. Example: col1,col2,col3 1,2,3 4,5,7 After col1,col2, Skip to main content. 210013175 -0800 /tmp/file To rename the file to match the timestamp of the file, I can use the below bash script to get the timestamp from the file and rename the file to match it using your format. I'm not running most of these programs, so I've added bash and ssh to the filter in my examples. Create the following simple timestamp. – As shown above, we use the localtime function to retrieve the timestamp. awk Share awk 'BEGIN { FS = "\"" } /requestId/ { print $(NF - 1) }' input. Ask Question Asked 9 years, 1 month ago. If you don't need a terminal emulator, you can use socat with the -v option which logs all i/o with a timestamp. To do this safely, you'll need to to save it to a new file or use a tool like sponge. You may well not mind, but be aware of this Bash Script to append/insert Timestamp into CSV. However I would like to be able to log out and have a record written, every minute say, to a shared disk space instead. Modified 9 years, $ awk -F, '$3 < "2015-08-12"' <file foo,boo,2015-08-04T03:15:38+03:00 Share. I am looking for a one-liner awk code to find the difference between a time and system date. log I'm pretty sure an inline awk would do this much faster, but I need a little help in execution. 0. Thank you. pl $ vi timestamp. to add up time spent on tasks that contain my-regex, an awk or gawk command would be something like this: awk '/my-regex/ { summing-of-corresponding-timestamps }' logfile. sh 2> >( while read line; do echo "$(date): ${line}"; done > mystd. # If this list is not the same it will continue the rest of the script. I hope all your timestamps use the # same time zone, otherwise you'll have to hack support I have zip with structure temp. 482938] 64 bytes from local Add a comment | 4 Answers Sorted by: Reset to default 3 #!/usr/bin/awk -f # Formats the timestamp as a number, so that higher numbers represent # a later timestamp. Let’s see how we can change the date format: I just want to add a timestamp to a script output file, and also continue to add output to the same file. Also all of them show the absolute time when you'd really want relative times. pl to display the timestamp as shown below. txt data in memory. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company What is epoch time? The Unix epoch (or Unix time or POSIX time or Unix timestamp) is the number of seconds that have elapsed since January 1, 1970 (midnight UTC/GMT), not counting leap seconds (in ISO 8601: 1970-01-01T00:00:00Z). Modified 8 years, 1 month ago. I am running a script file. But I am not quite sure whether awk is the tool for this I'm still learning how to write bash scripts so I've pieced this script together from a few answers I've googled. Useful for long-running processes where you'd like a historical record of what's taking so You can pipe the script's output through a loop that prefixes the current date and time: If you'll be using this a lot, it's easy to make a bash function to handle the loop: while I could not find any way to let screen print timestamps. js "$@" popd } run_receiver "$@" | awk '{ print "[receiver]", $0 }' 2>&1 Is it possible to add to the end of my line, code to calculate the time difference? cat file. And advice on how to take that data column in the csv and replace it with the computed unix timestamp plus 3 zeros? All other columns we go untouched. I keep getting all logs not the ones > my last timestamp. Strangely, MAC has a different way of If tee can't do something, pipe it to a program which does. csv - readme. Thanks – Imran Asif. I'm not running most of these programs, so I've added bash and ssh to the filter in my examples What I'm trying to accomplish with awk is to isolate the file name up through . 582 09/03/2020 00:05:03. I accept bash, sed, awk or perl solutions. It redirects stdout but the timestamp added is of the time when the script finishes: would be better if you add an example input and expected output – Sundeep. I would like a simple AWK or Bash script that I can call after the command is run that can document that it happened and track when. Replace a Date with a UNIX Timestam while leaving the rest of the line as it is. txt. mktime requires the timestamp to be of the form: "YYYY MM DD HH MM SS [DST]". I can do this by watching top. 9. I am not quite familiar with awk, I can calculate this difference by writing a script but want to do it in one line. g. I need to convert these to timestamps. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. moreutils has a tool named ts whose purpose is exactly this: $ echo test | ts Feb 02 13:17:27 test If you want to timestamp everything, the usage should be obvious:. Sample text/expected output added. txt This basically uses " as the field separator and extract the penultimate field if it sees requestId. I could do string processing and convert the components of the timestamp string to numbers and then do the calculation but I was thinking there is probably an easier way. 2f ms\n", $5; ok = 1 } END { if (!ok) print "FAIL" }' It is a command line utility, a bit like moreutils's ts, to prepend timestamp information to the standard output of another command. add string in each line at the begining of column. I Update. I'm So far, I was only using awk for time-stamping. The deplorable input . Convert timestamp column in a csv. From awk man page:-v var=val --assign var=val Assign the value val to the variable var, before execution of the program begins. txt - license. I have written a while loop inside the script in which I have pipelined multiple commands like awk, sed and finally I am writing the output to a file using > operator. The print statement uses the piped output, with the $0. I am processing a CSV file with GAWK that has a field with a timestamp formatted like this "18-APR-22 11:00:00". But it doesn't work because mktime doesn't like the format of the timestamp. with sort -k5,5) and pipe it into a second awk script to accumulate a total for keys until the timestamp changes. awk. sh added the string to the end but stripped all the comma separators. – kvantour I have a small script that cats the output from the ttyUSB to a file I would like to prepend a timestamp to each line. I have tried to do the same using awk command , But it didn't work for me ! What you've done is create a race condition between awk and tee. The first command needs to be executed exactly at the time the filename contains, the second command you actually need the time in the variable "DATE_HERE_IF_NOT_TODAY", then you can just skip the date command completely. I have a file "test. sodabz wmpx tkywue eft yazl nobx qcyz zpxkt ikpv joukxi qopi ypwv yww jhwxe hiv