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compare 2 coloum of 2 diff files using perl script
Hi,
i am new to perl scripting.. i am still learing it.. i am asked to write a perl script which should compare 2 coloums of 2 different files. if those 2 coloumn are same the script should store the both the lines in 2 diff files. these are files, file 1: 21767016 226112 char[] 19136520 797355 java.lang.String 17769368 307049 java.lang.Object[] 13981656 582569 java.util.HashMap$Entry 10867240 16650 int[] 9065616 559799 java.lang.String[] 9060192 79626 java.util.HashMap$Entry[] 6969384 23146 byte[] 6857664 285736 java.util.Vector file 2: 21702192 904258 java.lang.String 20985320 360561 java.lang.Object[] 20524112 209810 char[] 12623280 525970 java.util.HashMap$Entry 10945080 678896 java.lang.String[] 9781432 10871 int[] 8302464 345936 java.util.Vector 8107104 337796 netscape.ldap.util.RDN 7620024 68357 java.util.HashMap$Entry[] 6515152 52272 * ConstMethodKlass so i have to compare 3rd coloumn of these to 2 files, eg i have java.lang.string present in both so i want the script store these complete line of both the files in 2 diff files. These 2 files are big files. please suggest me how can this be done. some one had suggested you can use the hash table implementation. thanks, Vasuki |
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