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$ x.sh "/apps/opt" "/informix"
/apps/opt/informix
$ x.sh "/apps/opt" "/informix"
$ export file1="informix"
$ x.sh "/apps/opt" "/$file1"
/apps/opt/informix
$ x.sh "/apps/opt" "$file1"
/apps/optinformix
$ x.sh "/apps/opt" "/$file1"
/apps/opt/informix
$ cat x.sh
#!/usr/bin/ksh
echo $1$2
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