Shell Programming and Scripting

[x004191a@xsnl11p317a tmp]$ echo $SHELL
/bin/bash
[x004191a@xsnl11p317a tmp]$ cat dae2.txt
DELETE FROM                  CDH_STGN_${ENV1}.T1
;
INSERT INTO                  CDH_STGN_${ENV2}.T2
                            (
                              ...
                            )

;
[x004191a@xsnl11p317a tmp]$ export ENV1=DEV1
[x004191a@xsnl11p317a tmp]$ export ENV2=DEV2
[x004191a@xsnl11p317a tmp]$ cat test.sh
srcfile=/app/bin/CDH/src/tmp/dae2.txt

tgtfile=$(
          cat ${srcfile} | while read -r line
          do
            eval echo "$line"
          done
         )

echo "${tgtfile}"
[x004191a@xsnl11p317a tmp]$ ./test.sh
./test.sh: eval: line 11: syntax error near unexpected token `newline'
./test.sh: eval: line 11: `echo ('
./test.sh: eval: line 11: syntax error near unexpected token `)'
./test.sh: eval: line 11: `echo )'
DELETE FROM CDH_STGN_DEV1.T1

INSERT INTO CDH_STGN_DEV2.T2
...
[x004191a@xsnl11p317a tmp]$

$ 
$ cat dae2.txt
DELETE FROM                  CDH_STGN_${ENV1}.T1
;
INSERT INTO                  CDH_STGN_${ENV2}.T2
                            (
                              ...
                            )
;
$ 
$ cat tst.sh
srcfile=dae2.txt
tgtfile=$(
          cat ${srcfile} | while read -r line
          do
            line=$(echo "$line" | sed -e 's/;/\\;/g' -e 's/(/\\(/g' -e 's/)/\\)/g')
            eval echo "$line"
          done
         )
echo "${tgtfile}"
$ 
$ ./tst.sh
DELETE FROM CDH_STGN_DEV1.T1
;
INSERT INTO CDH_STGN_DEV2.T2
(
...
)
;
$ 
$

tgtfile=$(<"${srcfile}")

tgtfile=$(cat "${srcfile}")

eval "echo \"$line\""

while IFS= while read -r line

while read line; do eval tgtfile=\""${tgtfile}"$line$'\n'\"; done < $srcfile