2014年9月22日 · And you could define an awk function to do it: function d2h(d) { return sprintf("%x", d) } Now to answer the question in the general case, for awk to run bash functions, you'd need awk to execute a bash shell, that bash to interpret the definition of that function, and call that function, with the value extracted by awk passed as arguments. Not ...

2015年8月13日 · For busybox awk, it needs to be build with math support enabled (not the default in Debian packages for instance). – Stéphane Chazelas Commented Feb 16, 2017 at 10:45

2018年4月24日 · function get_row { awk 'NR==val{print ; exit}' val=$1 list.txt } Here you are passing val with only numbers and if val was contain backslash escape character you will encounter a problem which awk does C escape sequence processing on values passed via -v val= and a shell variable with val="\\n" will change to value with \n by awk.

2018年2月25日 · for file in "$1" will run the loop exactly once, with file set to the literal value of the first argument to the script.

2024年12月5日 · Regarding why I use \x27 in sed but \047 in awk to match ', see Why are ASCII escape sequences for ' treated differently in grep/sed/awk?. Regarding why awk -F'[\'-]' ... in the question doesn't work for the OP - you cannot escape ' within a ' -delimited string in shell.

As suggested in the comments you can also simplify the awk command, since both awk and xargs split on both tabs and spaces: timp@helez:~/tmp$ awk '$3 == "76" {print $1,$2}' test.txt | xargs -l ./build.oct $1 is 1000 and $2 is 2 $1 is 1001 and $2 is 1

2021年12月30日 · how to use awk with echo in bash. Ask Question Asked 3 years, 1 month ago. Modified 3 years, 1 month ago.

2022年3月2日 · This sounds VERY much like you're using a shell (bash) to manipulate text, calling awk once in a while for specific operations, when you should instead be calling awk once total and using awk instead of shell to manipulate the text. –

2015年6月23日 · Bash, sed, or awk will be MANY times faster than perl. If you start finding multiple perl one-liners useful in a shell script, you should just write the whole thing in perl. Share

2020年8月4日 · awk '$1 == 66106' BindingDB_All.tsv >> new.tsv I would like to do something like this: awk '$1 == ID.csv' BindingDB_All.tsv >> new.csv where it would read each ID, print the line to new.csv, then read the next ID and do the same. The CSV file contains 1200 search terms, to be compared with several million possibilities each with a unique ID.