i want to replace a file in .zip file in AIX5.3 machine; say i have file script.ksh file and a build.zip file which contains older version of script.ksh. i dont want to zip the entire thing. i want to replace newer version of script.ksh to build.zip file. please let me know how to do that. its bit urgent. thanks in advance Arun S

Example: /home/oracle/luke/tmp$ ll test.zip -rw-r--r-- 1 oracle oinstall 2619 Jul 28 08:10 test.zip /home/oracle/luke/tmp$ unzip -l test.zip Archive: test.zip Length Date Time Name -------- ---- ---- ---- 48 07-27-06 12:03 1.sh 487 07-28-06 08:10 2.sh 255 07-27-06 13:55 3.sh 264 07-27-06 12:09 file 405 07-27-06 13:29 file1 90 07-27-06 12:18 file2 18 07-08-06 01:17 in 4139 06-27-06 11:18 rep -------- ------- 5706 8 files (Then, modifidy 2.sh file) /home/oracle/luke/tmp$ echo 999 > 2.sh /home/oracle/luke/tmp$ cat 2.sh 999 (replace the old 2.sh in test.zip with the new 2.sh) /home/oracle/luke/tmp$ zip -u test.zip 2.sh updating: 2.sh (stored 0%) /home/oracle/luke/tmp$ unzip -l test.zip Archive: test.zip Length Date Time Name -------- ---- ---- ---- 48 07-27-06 12:03 1.sh 4 07-28-06 08:14 2.sh <== the time changed 255 07-27-06 13:55 3.sh 264 07-27-06 12:09 file 405 07-27-06 13:29 file1 90 07-27-06 12:18 file2 18 07-08-06 01:17 in 4139 06-27-06 11:18 rep -------- ------- 5223 8 files /home/oracle/luke/tmp$ echo 888 > 2.sh /home/oracle/luke/tmp$ cat 2.sh 888 (extract 2.sh from test.zip) /home/oracle/luke/tmp$ unzip test.zip 2.sh Archive: test.zip replace 2.sh? [y]es, [n]o, [A]ll, [N]one, [r]ename: y extracting: 2.sh (2.sh in test.zip was extracted) /home/oracle/luke/tmp$ cat 2.sh 999 Luke Chi