here-document . Bash

commandline session

$cat hdoc.sh
#!/bin/bash

cat $1 <<EOF
EOF

 

$sh hdoc.sh bash.txt
hack
hacker
$
$cat bash.txt
hack
hacker
$vim hdoc.sh
$
$cat hdoc.sh
#!/bin/bash

grep $1 <<EOF
name jeffrin
age 36
sex male
EOF

$sh hdoc.sh 3
age 36
$

 

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