awk trim space
You're printing the result of the gsub , but gsub does an in-place modify of $2 instead of returning a modified copy. Call gsub , then print: awk -F-, 'gsub(/[ -t]+$/, ... ,Your code is OK for me. You may have something else than space and tabulation ... hexdump -C may help you to check what is wrong: awk 'gsub(/^[ -t]+|[ -t]+$/ ... , Since you are not giving a kind of input sample / expected output i will make my guess: With awk : $ echo "$a" one two three four $ echo "$a" ..., ltrim(), rtrim(), and trim() in awk. GitHub Gist: instantly share code, notes, and snippets., If you want to trim all spaces, only in lines that have a comma, and use awk , then the following will work for you: awk -F, '/,/gsub(/ /, "", $0); print} ..., Sometimes it contains both leading and trailing white spaces which i want to trim using awk. C,FOOTER , 00000642. C,FOOTER , 00000707, If you wish to remove leading space from all fields and keep the space in between the Names and Job title fields then you can do something ...
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 awk trim space 相關參考資料
How can I trim white space from a variable in awk? - Stack Overflow
You're printing the result of the gsub , but gsub does an in-place modify of $2 instead of returning a modified copy. Call gsub , then print: awk -F-, 'gsub(/[ -t]+$/, ... https://stackoverflow.com How to remove leading and trailing whitespaces? - Stack Overflow
Your code is OK for me. You may have something else than space and tabulation ... hexdump -C may help you to check what is wrong: awk 'gsub(/^[ -t]+|[ -t]+$/ ... https://stackoverflow.com linux - awk - how to remove extra space? - Unix & Linux Stack Exchange
Since you are not giving a kind of input sample / expected output i will make my guess: With awk : $ echo "$a" one two three four $ echo "$a" ... https://unix.stackexchange.com ltrim(), rtrim(), and trim() in awk · GitHub
ltrim(), rtrim(), and trim() in awk. GitHub Gist: instantly share code, notes, and snippets. https://gist.github.com Trim leading and trailing spaces from a string in awk - Stack Overflow
If you want to trim all spaces, only in lines that have a comma, and use awk , then the following will work for you: awk -F, '/,/gsub(/ /, "", $0); print} ... https://stackoverflow.com Trim white spaces using awk - Unix.com
Sometimes it contains both leading and trailing white spaces which i want to trim using awk. C,FOOTER , 00000642. C,FOOTER , 00000707 https://www.unix.com Using Awk to remove whitespace - Stack Overflow
If you wish to remove leading space from all fields and keep the space in between the Names and Job title fields then you can do something ... https://stackoverflow.com |