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Shell Programming and Scripting

checking entries between files

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# 8  
Old 12-19-2007
Quote:
Originally Posted by Franklin52
With awk:

Code:
awk '
BEGIN {FS="/"}
FNR==NR {arr[$0]=$0;next}
{arr2[$4]=$4}
END {
  for(i in arr) {
    if (!arr2[i]) {
      print "error: entry " arr[i] " has no entry in file2"
    }
  }
}' "file1" "file2"

Regards
Hi ,
I am getting the following error,
"Unmatched '.
when I executed the

awk '
BEGIN {FS="/"}
FNR==NR {arr[$0]=$0;next}
{arr2[$4]=$4}
END {
for(i in arr) {
if (!arr2[i]) {
print "error: entry " arr[i] " has no entry in file2"
}
}
}' "file1" "file2"

Please let me know why so. I have a tcsh shell

Thanks

Amit
# 9  
Old 12-19-2007
awk
Hi,

I tried this one and it works.

input:
Code:
a:
data01
data02
data03
data04
data05

b:
/vol/vx/data03
/vol/vx/data01

output:
Code:
error: entry data04 has no entry in file2.
error: entry data05 has no entry in file2.
error: entry data02 has no entry in file2.


code:
Code:
sed 's/\// /g' b > b.tmp
nawk '
NR==FNR {a[$1]=$1}
NR!=FNR {a[$3]=$0}
END{
for (i in a)
	if (i==a[i])
		print "error: entry "i" has no entry in file2."
}
' a b.tmp
rm b.tmp
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