awk delimiter
# Basic syntax:
awk -F'[:/|]' '{print $field#, $field#, ...}' input_file
# Where:
# - : / and | are the three field delimiters considered
# - $field# is the field nuber to be printed based on the splits made
# by any of the delimiters
# Example usage:
# Say you have a file that contains the following lines and you want to
# extract the dir#, the file #, and the URL:
/logs/dir1/file_1 = demo.example.com
/logs/dir2/file_7 = quest.example.com
/logs/dir3/file_5 = www.example.com
# Running:
awk -F'[/_=]' '{print $3, $5, $6}' input_file
# Returns:
dir1 1 demo.example.com
dir2 7 quest.example.com
dir3 5 www.example.com
# *Note, each character contained in the braces [ ] is treated as a
# separate delimiter
3.8
8
Just use function split in awk command to split a line into an array 'a'
using a choosen string as delimiter as for example ", " in next use case:
echo "hi, bye, hey" | awk '{split($0,a,", "); print a[3],a[2],a[1]}'
Thank you!
8
3.8
(10 Votes)
0
4.4
5
# by default, awk uses empty space(s) as field seperator
# we can specify field seperator ourselves using -F flag
# SINGLE field seperator
echo 'a+b=c' | awk -F'=' '{print NF, $1, $2}'
# NF in awk stands for number of fields
# Returns
2 a+b c
# MULTIPLE field seperators
echo 'a+b=c' | awk -F'[+=]' '{print NF, $1, $2, $3}'
# Returns
3 a b c
Thank you!
5
4.4
(5 Votes)
0
4
5
# by default, awk uses empty space(s) as field seperator
# we can specify field seperator ourselves using -F flag
# SINGLE field seperator
echo 'a+b=c' | awk -F'=' '{print NF, $1, $2}'
# NF in awk stands for number of fields
# Returns
2 a+b c
# MULTIPLE field seperators
echo 'a+b=c' | awk -F'[+=]' '{print NF, $1, $2, $3}'
# Returns
3 a b c
Thank you!
5
4
(5 Votes)
0
4.6
5
Just use function split in awk command to split a line into an array 'a'
using a choosen string as delimiter as for example ", " in next use case:
echo "hi, bye, hey" | awk '{split($0,a,", "); print a[3],a[2],a[1]}'
Thank you!
5
4.6
(5 Votes)
0
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