Encrypt/decrypt a file

decrypt.sh

#!/bin/sh

openssl aes-256-cbc -d -a -pass "pass:$2" -in $1 -out `echo $1 | sed 's/\.enc$//'`

encrypt.sh

#!/bin/sh

openssl aes-256-cbc -a -salt -pass "pass:$2" -in $1 -out $1.enc

Try:
openssl aes-256-cbc -d -a -pass "pass:$2" -in $1 -out ${1%.enc}