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how to combine the below sed commands in Linux

sed -rn 's/.*MsgFlow="([^"]*)".*/\1/p'  ADVQCC_OUTPUT_BRK1

and

sed -n 's:.*<ProcessDtm>\(.*\)</ProcessDtm>.*:\1:p' ADVQCC_OUTPUT_BRK1

Thanks

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    Can you show input file and desired output? – Egor Vasilyev Nov 30 '17 at 10:11
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    looks like you are trying to parse xml/html content. Post your input file content. sed is NOT a proper tool for such case – RomanPerekhrest Nov 30 '17 at 10:32
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I think the more closer variant of two command combination will be (POSIXly):

sed -ne 's/.*MsgFlow=\"\([^"]*\)\".*/\1/p' -ne 's/.*<ProcessDtm>\\\(.*\\\)<\/ProcessDtm>.*/\1/p' ADVQCC_OUTPUT_BRK1

Or simpliest:

sed -e 's/.*MsgFlow=\"\([^"]*\)\".*/\1/' -e 's/.*<ProcessDtm>\\\(.*\\\)<\/ProcessDtm>.*/\1/' ADVQCC_OUTPUT_BRK1

But i need input example to get more exact result.

  • Why are you escaping double quotes inside the single quote script? Why those `\\`? – Philippos Nov 30 '17 at 11:28
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Usually, you can simply concatenate sed commands like several s commands with an embedded semicolon:

sed 's/some/another/;s/stuff/thing/'

In your case, one command uses extended regular expressions (ERE), the other basic regular expressions, so you need to convert one or the other:

sed -n 's/.*MsgFlow="\([^"]*\)".*/\1/p;s:.*<ProcessDtm>\(.*\)</ProcessDtm>.*:\1:p' ADVQCC_OUTPUT_BRK1

or with ERE:

sed -En 's/.*MsgFlow="([^"]*)".*/\1/p;s:.*<ProcessDtm>(.*)</ProcessDtm>.*:\1:p' ADVQCC_OUTPUT_BRK1

Remark: I changed -r to -E for selecting ERE, because this is understood by more versions of sed.

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