awk '/pattern/ {print $1}' |
standard Unix shells |
awk '/pattern/ {print "$1"}' |
compiled with DJGPP, Cygwin |
awk "/pattern/ {print \"$1\"}" |
GnuWin32, UnxUtils, Mingw |
awk '1;{print ""}' |
double space a file |
awk 'BEGIN{ORS="\n\n"};1' |
double space a file |
awk 'NF{print $0 "\n"}' |
double space a file which already has blank lines |
awk '1;{print "\n"}' |
triple space a file |
awk '{print FNR "\t" $0}' files* |
precede each line by its line number |
awk '{print NR "\t" $0}' files* |
precede each line by its line number for all files together |
awk '{printf("%5d : %s\n", NR,$0)}' |
number each line of a file |
awk 'NF{$0=++a " :" $0};1' |
number each line of a file, but only print numbers if line is not blank |
awk 'END{print NR}' |
count lines (emulates "wc -l") |
awk '{s=0; for (i=1; i<=NF; i++) s=s+$i; print s}' |
print the sums of the fields of every line |
awk '{for (i=1; i<=NF; i++) s=s+$i}; END{print s}' |
add all fields in all lines and print the sum |
awk '{for (i=1; i<=NF; i++) if ($i < 0) $i = -$i; print }' |
print every line after replacing each field with its absolute value |
awk '{for (i=1; i<=NF; i++) $i = ($i < 0) ? -$i : $i; print }' |
print every line after replacing each field with its absolute value |
awk '{ total = total + NF }; END {print total}' file |
print the total number of fields ("words") in all lines |
awk '/Beth/{n++}; END {print n+0}' file |
print the total number of lines that contain "Beth" |
awk '$1 > max {max=$1; maxline=$0}; END{ print max, maxline}' |
print the largest first field and the line that contains it |
awk '{ print NF ":" $0 }' |
print the number of fields in each line, followed by the line |
awk '{ print $NF }' |
print the last field of each line |
awk '{ field = $NF }; END{ print field }' |
print the last field of the last line |
awk 'NF > 4' |
print every line with more than 4 fields |
awk '$NF > 4' |
print every line where the value of the last field is > 4 |
