Shell Programming and Scripting

7026-H70       7026-1017685
7026-H70       7026-1017687
7026-B80       7026-108D65A
7026-B80       7026-108D67A
7046-B50       7026-1034B4A

mt01cp01 7026-B80 01108D69A
mt01cp02 7026-B80 01108D68A
mt01sv01 7046-B50 011034B4A
mt02cp01 7026-B80 01108D67A

1017685
1017687
108D65A
108D69A
108D68A

awk 'FNR==NR {T[substr($2, 6)]++; next} {SRCH = substr ($3, 3)} SRCH in T {delete T[SRCH]; next} {T[SRCH]++} END {for (t in T) print t}' file1 file2
108D69A
1017685
1017687
108D65A
108D68A

awk '
NR==FNR {s=substr($2,6,7); a[s]=s; c[s]=s; next }
{s=substr($3,3,7); b[s]=s; c[s]=s }
END {for (i in c) if (a[i]!=b[i]) print i}' file1 file2

awk '
NR==FNR {s=substr($2,6,7); a[s]=s; c[s]=s; next }
{s=substr($3,3,7); b[s]=s; c[s]=s }
END {n=asort(c); for (i=1; i<=n; i++) if (a[c[i]]!=b[c[i]]) print c[i]}' file1 file2

awk '
NR==FNR {s=substr($2,6,7); a[s]=s; c[s]=s; next }
{s=substr($3,3,7); b[s]=s; c[s]=s }
END {for (i in c) if (a[i]!=b[i]) print i}' file1 file2 | sort

#! /bin/awk -f
awk '
NR==FNR {s=substr($2,6,7); a[s]=s; c[s]=s; next }
{s=substr($3,3,7); b[s]=s; c[s]=s }
END {for (i in c) if (a[i]!=b[i]) print i}'

> comp_host file1 file

awk -f comp_host file1 file

syntax error The source line is 3.
 The error context is
                 >>> ' <<< 
 awk: Quitting
 The source line is 3.