This is a variation on the first style: echo “1 2 3 4″ | gawk ‘BEGIN { OFS=” 🙁 “}; {$1=$1; print $0}’ Results: 1 🙁 2 🙁 3 🙁 4 Explanation: the $1=$1 is to rebuild the record, using the current OFS (you can also see http://www.gnu.org/software/gawk/manual/gawk.html#Changing-Fields) Update: (suggested by @EdMorton and @steve) This … Read more
Add IGNORECASE = 1; to the beginning of your awk command like so: bash-3.2$ echo “Create” | awk ‘/^create/;’ bash-3.2$ echo “Create” | awk ‘IGNORECASE = 1;/^create/;’ Create
try the int() function awk ‘{$2=int($2)}1’ file
Most new awks have an int() function. But the method for casting documented in ‘The Awk Programming Language’ is shown as you do it, by using numericValue and +0. I don’t have the book handy, but I think you can also cast for float value by using +0.0. I hope this helps.
The POSIX way awk ‘/pattern1/ || /pattern2/{print}’ Edit To be fair, I like lhf‘s way better via /pattern1|pattern2/ since it requires less typing for the same outcome. However, I should point out that this template cannot be used for logical AND operations, for that you need to use my template which is /pattern1/ && /pattern2/
The file you give is a shell script, not an awk program. So, try sh my.awk. If you want to use awk -f my.awk life.csv > life_out.cs, then remove awk -F , ‘ and the last line from the file and add FS=”,” in BEGIN.
It’s easy, with GNU awk 4: zsh-4.3.12[t]% awk ‘{ for (i = 0; ++i <= NF;) printf “field %d => %s\n”, i, $i }’ FPAT='([^,]+)|(“[^”]+”)’ infile field 1 => filed1 field 2 => filed2 field 3 => field3 field 4 => “field4,FOO,BAR” field 5 => field5 Adding some comments as per OP requirement. From the … Read more
this may do the job for you awk ‘{print $0″A”}’ yourFile
This does the trick: awk ‘NR>2 {print last} {last=$0}’ awk executes the action print last only when NR > 2 (that is, on all lines but the first 2). On all lines, it sets the variable last to the current line. So when awk reads the third line, it prints line 2 (which was stored … Read more
awk ‘{SUM+=$3}END{print SUM}’ where $3 represent value of column 3