use for loop variable inside a sed command





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I have based my script on the following quesstion
Find and replace text within a file using commands



I have a lot of files named test_xxx_01.sql in which i need to replace a text testoriginal with testoriginal_xxx
so I wrote the following command



for i in {220,630,1000}; do sed -i 's/testoriginal/testoriginal_${i}/g' test_${i}_01.sql; done


the expected output is that in the file test_221_01.sql, i should now have 'testoriginal_221'.



but instead i have testoriginal_${i}



how can i fix this command?










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  • 5





    It's basically a matter of using the right quotes - but be careful of metacharacters. See How can I use variables in the LHS and RHS of a sed substitution?

    – steeldriver
    14 hours ago






  • 1





    You need to use double quotes for the expression.

    – pa4080
    14 hours ago


















1















I have based my script on the following quesstion
Find and replace text within a file using commands



I have a lot of files named test_xxx_01.sql in which i need to replace a text testoriginal with testoriginal_xxx
so I wrote the following command



for i in {220,630,1000}; do sed -i 's/testoriginal/testoriginal_${i}/g' test_${i}_01.sql; done


the expected output is that in the file test_221_01.sql, i should now have 'testoriginal_221'.



but instead i have testoriginal_${i}



how can i fix this command?










share|improve this question







New contributor




Anand is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
















  • 5





    It's basically a matter of using the right quotes - but be careful of metacharacters. See How can I use variables in the LHS and RHS of a sed substitution?

    – steeldriver
    14 hours ago






  • 1





    You need to use double quotes for the expression.

    – pa4080
    14 hours ago














1












1








1








I have based my script on the following quesstion
Find and replace text within a file using commands



I have a lot of files named test_xxx_01.sql in which i need to replace a text testoriginal with testoriginal_xxx
so I wrote the following command



for i in {220,630,1000}; do sed -i 's/testoriginal/testoriginal_${i}/g' test_${i}_01.sql; done


the expected output is that in the file test_221_01.sql, i should now have 'testoriginal_221'.



but instead i have testoriginal_${i}



how can i fix this command?










share|improve this question







New contributor




Anand is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.












I have based my script on the following quesstion
Find and replace text within a file using commands



I have a lot of files named test_xxx_01.sql in which i need to replace a text testoriginal with testoriginal_xxx
so I wrote the following command



for i in {220,630,1000}; do sed -i 's/testoriginal/testoriginal_${i}/g' test_${i}_01.sql; done


the expected output is that in the file test_221_01.sql, i should now have 'testoriginal_221'.



but instead i have testoriginal_${i}



how can i fix this command?







command-line sed






share|improve this question







New contributor




Anand is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











share|improve this question







New contributor




Anand is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









share|improve this question




share|improve this question






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Anand is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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asked 14 hours ago









AnandAnand

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Anand is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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New contributor





Anand is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.






Anand is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.








  • 5





    It's basically a matter of using the right quotes - but be careful of metacharacters. See How can I use variables in the LHS and RHS of a sed substitution?

    – steeldriver
    14 hours ago






  • 1





    You need to use double quotes for the expression.

    – pa4080
    14 hours ago














  • 5





    It's basically a matter of using the right quotes - but be careful of metacharacters. See How can I use variables in the LHS and RHS of a sed substitution?

    – steeldriver
    14 hours ago






  • 1





    You need to use double quotes for the expression.

    – pa4080
    14 hours ago








5




5





It's basically a matter of using the right quotes - but be careful of metacharacters. See How can I use variables in the LHS and RHS of a sed substitution?

– steeldriver
14 hours ago





It's basically a matter of using the right quotes - but be careful of metacharacters. See How can I use variables in the LHS and RHS of a sed substitution?

– steeldriver
14 hours ago




1




1





You need to use double quotes for the expression.

– pa4080
14 hours ago





You need to use double quotes for the expression.

– pa4080
14 hours ago










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