Recent questions tagged awk

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awk - bash command to print column at specific range of line numbers

I'm trying to get the values in column X at lines 5 to 5 + Y. I'm guessing there's a quick way to do this with awk. How is this done? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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632 views

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awk - How to exclude several lines around match with grep or similar tool?

I can find all non-matched lines of file with grep -v 'my_pattern' some_file. Also i can print few strings ... more elegant way to do this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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awk not printing to file

awk newbie here.. I'm trying this: top -b -p 30259 | awk 'BEGIN { OFS = ","; print "Timestamp,CPU, ... working fine. What am I doing wrong? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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awk to Fill Empty Column value with Previous Non-Empty Column value:

Would like to read the first column then Fill downward Empty Column value with Previous Non-Empty Column value. ... CHARGE Any suggestions ...! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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582 views

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awk - Grep Access Multiple lines, find all words between two patterns

Need help in scanning text files and find all the words between two patterns. Like say if we have a . ... any examples is greatly appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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582 views

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awk - How to print columns one after the other in bash?

Is there any better methods to print two or more columns into one column, for example input.file AAA 111 ... suggestions? Thank you very much! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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447 views

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awk - gawk floating-point number localization

I want gawk to parse number using comma , as the decimal point character. So I set LC_NUMERIC to ... point without specifying POSIX option? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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711 views

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awk - Sum of all rows of all columns - Bash

I have a file like this 1 4 7 ... 2 5 8 3 6 9 And I would like to have as output 6 15 24 ... ... can't do it automatically for all the columns. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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647 views

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awk - Collapse sequential numbers to ranges in bash

I am trying to collapse sequential numbers to ranges in bash. For example, if my input file is 1 2 3 4 15 ... line command? Thanks for any help! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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566 views

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awk - Timestamp to Epoch in a CSV file with GAWK

Looking to convert human readable timestamps to epoch/Unix time within a CSV file using GAWK in preparation for ... awk in another command? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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426 views

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awk - Plotting a function directly from a text file

Is there a way to plot a function based on values from a text file? I know how to define a function in ... online, do you have any suggestions? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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548 views

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awk - grep - print line before, don't print match

How to easily print line above the match and skip the match itself? grep -A, -B and -o opt do not ... This should ideally return bar baz foo See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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475 views

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awk - How to find the same words in two different text files and print those lines using bash?

I have two text files. One contain just one column of words. Hundreds of words. Just one word in every line. ... : TGD car 2424: jdj notebook See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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531 views

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awk - Add a new column to the file

How can I add a new column to a file with awk codes? original.file F1 F2 F3 ..F10 add F11 to original.file F1 F2 F3 ..F10 F11 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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538 views

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awk - What does a number do after curly braces?

Why does echo foo bar..baz bork | awk 'BEGIN{RS=".."} {gsub(OFS,"");}1' seem to do the ... anywhere, although I could have missed something. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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491 views

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awk partly string match (if column/word partly matches)

My dummy file looks like this: C1 C2 C3 1 a snow 2 b snowman snow c sowman I want to get line if ... But there should be more simpler way. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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419 views

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awk - Finding common value across multiple files containing single column values

I have 100 text files containing single columns each. The files are like: file1.txt 10032 19873 18326 file2.txt 10032 ... only once in 1 file. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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590 views

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awk - How to set the field separator to an empty string?

The awk manual indicates that both -v FS and -F are equivalent ways to set the field separator. The GNU Awk ... to empty is a gawk specific? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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674 views

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awk - Delete lines based on patterns in another file

I have two files: input.txt: Hi 1-12T2EDD 1-13D62L6Hello 1-15SDWAKWazzup Wow1-18Z3QWY filter.txt: 1- ... -12T2EDD 1-13D62L6Hello Wow1-18Z3QWY See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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658 views

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awk - Convert scientific notation to decimal in multiple fields

The following works great on my data in column 12 but I have over 70 columns that are not all the same and I need to ... ,2,1,1,1,1,4854347,0,- See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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585 views

1 answer

awk - How to remove a character at the end of each line in UNIX

I would like to remove comma , at the end of each line in my file. How can I do it other ... MP_IMS_ID_ACTN_CD BYTEINT NOT NULL, NPI_ID BIGINT, See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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581 views

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awk - Printing the last column of a line in a file

I have a file that is constantly being written to/updated. I want to find the last line containing a particular word ... there a way to do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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684 views

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awk - How to remove blank lines from a Unix file

I need to remove all the blank lines from an input file and write into an output file. Here is my data as ... ,5,1,1,18-JAN-13,000781615746 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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678 views

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awk - How can I format the output of a bash command in neat columns

I have a function which outputs many rows of information which I want to format in columns. The problem is that ... need to use something else? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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509 views

1 answer

awk - How to show only next line after the matched one?

grep -A1 'blah' logfile Thanks to this command for every line that has 'blah' in it, I get the output of ... only show next line in the output. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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624 views

1 answer

awk - print unique lines based on field

Would like to print unique lines based on first field , keep the first occurrence of that line and remove ... for your suggestions ... See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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