使用awk打印从第n个到最后一个的所有列

#1 楼

awk '{=""; print 
awk '{==""; print q4312078q}' somefile
}' somefile

#2 楼

 svn status |  grep '\!' | cut -d\  -f2-

#3 楼

awk '{out=""; for(i=2;i<=NF;i++){out=out" "$i}; print out}'

awk '{for(i=2;i<=NF;i++){printf "%s ", $i}; printf "\n"}'

#4 楼

awk '{out=; for(i=3;i<=NF;i++){out=out" "$i}; print out}'

#5 楼

command | cut -d' ' -f3-

command | awk '{ =="";
$ in='    1    2  3     4   5   6 7     8  '
$ echo "$in"|awk -v n=2 '{ for(i=n+1;i<=NF;i++) printf("%s%s",$i,i==NF?RS:OFS);}'
3 4 5 6 7 8
=
$ in='    1    2  3     4   5   6 7     8  '
$ echo "$in" | awk '{ n=2; a="^["FS"]*[^"FS"]+["FS"]+";
  for(i=1;i<=n;i++) sub( a , "" , 
$ echo '    1    2  3     4   5   6 7     8  ' |
  awk -v n=2 'BEGIN{ a="^["FS"]*"; b="([^"FS"]+["FS"]+)"; c="{"n"}"; }
          { print(gensub(a""b""c,"",1)); }'
3     4   5   6 7     8 
 ) } 1 '
3     4   5   6 7     8
;} NF=NF'

$ echo '    1    2  3     4   5   6 7     8  ' |
  awk -v n=2 'BEGIN{ a="^["FS"]*"; b="([^"FS"]+["FS"]+)"; c="{"n"}"; }
          {
            d=gensub(a""b""c,"",1);
            e=gensub("^(.*)"d,"\1",1,q4312078q);
            print("|"d"|","!"e"!");
          }'
|3     4   5   6 7     8  | !    1    2  !

#6 楼

awk -F" " '{ for (i=4; i<=NF; i++) print $i }'

#7 楼

awk '{ for(i=3; i<=NF; ++i) printf $i""FS; print "" }'

#8 楼

sudo nano /usr/share/awk/pfcut

$ echo "t1 t2 t3 t4 t5 t6 t7" | awk -f pfcut --source '/^/ { pfcut("-4"); }'
t1 t2 t3 t4

$ echo "t1 t2 t3 t4 t5 t6 t7" | awk -f pfcut --source '/^/ { pfcut("2-"); }'
t2 t3 t4 t5 t6 t7

$ echo "t1 t2 t3 t4 t5 t6 t7" | awk -f pfcut --source '/^/ { pfcut("-2,4,6-"); }'
t1 t2 t4 t6 t7

$ echo "alias awk-pfcut='awk -f pfcut --source'" >> ~/.bashrc
$ source ~/.bashrc     # refresh bash aliases

$ echo "t1 t2 t3 t4 t5 t6 t7" | awk-pfcut '/^/ { pfcut("-2,4,6-"); }'
t1 t2 t4 t6 t7

# pfcut - print fields like cut
#
# sdaau, GNU GPL
# Nov, 2013

function spfcut(formatstring)
{
  # parse format string
  numsplitscomma = split(formatstring, fsa, ",");
  numspecparts = 0;
  split("", parts); # clear/initialize array (for e.g. `tail` piping into `awk`)
  for(i=1;i<=numsplitscomma;i++) {
    commapart=fsa[i];
    numsplitsminus = split(fsa[i], cpa, "-");
    # assume here a range is always just two parts: "a-b"
    # also assume user has already sorted the ranges
    #print numsplitsminus, cpa[1], cpa[2]; # debug
    if(numsplitsminus==2) {
     if ((cpa[1]) == "") cpa[1] = 1;
     if ((cpa[2]) == "") cpa[2] = NF;
     for(j=cpa[1];j<=cpa[2];j++) {
       parts[numspecparts++] = j;
     }
    } else parts[numspecparts++] = commapart;
  }
  n=asort(parts); outs="";
  for(i=1;i<=n;i++) {
    outs = outs sprintf("%s%s", $parts[i], (i==n)?"":OFS); 
    #print(i, parts[i]); # debug
  }
  return outs;
}

function pfcut(formatstring) {
  print spfcut(formatstring);
}

#9 楼

awk '{print substr(q4312078q,length()+1);}' < file

#10 楼

ls -l | awk '{sub(/[^ ]+ /, ""); print q4312078q}'

#11 楼

echo "1 2 3 4 5 6" | awk '{ $NF = ""; print q4312078q}'

#12 楼

ls -lthr | awk '{out=; for(i=7;i<=NF;i++){out=out" "$i}; print out}'

ls -lthr | awk '{ORS=" "; for(i=6;i<=NF;i++) print $i;print "\n"}'

#13 楼

awk '{print  "  " }'

awk '{print  "anything" }'

#14 楼

perl -lane 'splice @F,0,1; print join " ",@F' file

#15 楼

fromField () { 
awk -v m="\x01" -v N="" '{$N=m$N; print substr(
$ echo "  bat   bi       iru   lau bost   " | fromField 3
iru   lau bost   
$ echo "  bat   bi       iru   lau bost   " | fromField 2
bi       iru   lau bost 
,index(
svn status | grep '\!' | fromField 2 > removedProjs
,m)+1)}'
}

awk -v m="\x0a" -v N="3" '{$N=m$N ;print substr(q4312078q, index(q4312078q,m)+1)}'

#16 楼

while read x b; do echo "$b"; done < filename

#17 楼

@m=`ls -ltr dir | grep ^d | awk '{print $6,$7,$8,$9}'`;
foreach $i (@m)
{
        print "$i\n";

}

#18 楼

function fields(begin, end,    b, e, p, i) {
    b = 0; e = 0; p = 0;
    for (i = 1; i <= NF; ++i) {
        if (begin == i) { b = p; }
        p += length($i);
        e = p;
        if (end == i) { break; }
        p += length(FS);
    }
    return substr(
tail = fields(3);
, b + 1, e - b);
}

#19 楼

sed -r 's/^\s*(\S+\s+){4}//' somefile

sed -r 's/^\s+//; s/\s+/\t/g' somefile | cut -f5-

tr -s [:blank:] <somefile | cut -d' ' -f5-

#20 楼

command | while read -a cols; do echo ${cols[@]:1}; done

c1
c1 c2
c1 c2 c3
c1 c2 c3 c4
c1 c2 c3 c4 c5

#21 楼

echo -e "a  b  c  d\te\t\tf g" | \
  perl -ne 'my @f = split /\s+/, $_, 3; printf "first: %s second: %s rest: %s", @f;'

#22 楼

ls -la | awk '{o=" "; for (i=5; i<=NF; i++) o=o" "$i; print o }'

ls -la | cut -d\  -f4-

#23 楼

for i in {8..11}; do
   s1="$i"
   s2="str$i"
   s3="str with spaces $i"
   echo -n "$s1 $s2" | awk '{printf "|%3d|%6s",,}'
   echo -en "$s3" | awk '{printf "|%-19s|\n", q4312078q}'
done

 |  8|  str8|str with spaces 8  |
|  9|  str9|str with spaces 9  |
| 10| str10|str with spaces 10 |
| 11| str11|str with spaces 11 |
 

#24 楼

echo "  7 27.10.16. Thu 11:57:18 37.244.182.218" | awk '{====""; printf "[%s]\n", 
[    37.244.182.218 one two three]
}'

echo "  7 27.10.16. Thu 11:57:18 37.244.182.218" | awk '{printf "[%s]\n", substr(
[37.244.182.218 one two three]
,28)}'