[SOLVED] sed command unterminated 's' command

igagankalra · 06-05-2020, 10:48 AM

I'm trying to replace a connection String in a yml file.

The command which gets populated with variables is

Code:

sed -i 's^\<constring\>\s*:.*^contring : \['1\|\|sS3kEuT24A1rE3hT5U_fWcYJa4y7KxmgJYYg5Ms8eBxRqMvphym7sz4M-Wmdt5AMbsrELTxW7Ng1U4mDRms0_JQ3LIqppYm8qb1k57_MeOv7LPU20v7pYyNPakDBf0mL1JixPIGk7oUGAZwfQCnSrqzhSDGz-7jek6wPWXMVq13_6pbUJSoo1J-mD5NwfKvqBHRZeJzaIuCenqv7KuWST9VrgIc6ZKAm3CLKC5Gb2gT5lnnqlGG373reml6KaIev7j0UbFecbKfWBY7A==, logs', '1\|\|hlt81VYLBRFCQnhCi1dGxci3-GCnBoe2Ke_qZ7LX7BIZEBYWNzWcuO9FhaW3XqpC_NskrD4RGe3ApyRBu4Rm-cIqqolP9aMt9h56W-TtMxWDXpja6h-aAzYmed51aAVP_jMRd_zarI0jbHfzlENWfpTJlSzDaxV4NJJNgCgCW2cDKoH4vqC8CwxxHpL_LKo8HkS13ZoyDpVsuAUYlwiBj5xmsPlXPwfQBTqoZxVFCGq18vWB7zpXaZ6W09wSS=, log1'\]^gi' file.yml

I have tried it without escaping pipe(|) and even Square brackets([)
But nothing works.

Error after running this command -- sed: -e expression #1, char 327: unterminated `s' command

Please help

Turbocapitalist · 06-05-2020, 11:02 AM

Welcome.

It looks like a matter of quotes. Use double quotes for the outermost set.

However, what are you actually trying to do with sed? If the content of the file is structured then something capable of parsing the format would be more appropriate.

shruggy · 06-05-2020, 01:37 PM

First, as Turbocapitalist said above it's matter of quoting. The space between green and red is not quoted. Neither is the space between red and magenta. Everything after the first unquoted space is considered by sed to be file names.

Code:

sed -i 's^\<constring\>\s*:.*^contring : \['1\|\|sS3kEuT24A1rE3hT5U_fWcYJa4y7KxmgJYYg5Ms8eBxRqMvphym7sz4M-Wmdt5AMbsrELTxW7Ng1U4mDRms0_JQ3LIqppYm8qb1k57_MeOv7LPU20v7pYyNPakDBf0mL1JixPIGk7oUGAZwfQCnSrqzhSDGz-7jek6wPWXMVq13_6pbUJSoo1J-mD5NwfKvqBHRZeJzaIuCenqv7KuWST9VrgIc6ZKAm3CLKC5Gb2gT5lnnqlGG373reml6KaIev7j0UbFecbKfWBY7A==, logs', '1\|\|hlt81VYLBRFCQnhCi1dGxci3-GCnBoe2Ke_qZ7LX7BIZEBYWNzWcuO9FhaW3XqpC_NskrD4RGe3ApyRBu4Rm-cIqqolP9aMt9h56W-TtMxWDXpja6h-aAzYmed51aAVP_jMRd_zarI0jbHfzlENWfpTJlSzDaxV4NJJNgCgCW2cDKoH4vqC8CwxxHpL_LKo8HkS13ZoyDpVsuAUYlwiBj5xmsPlXPwfQBTqoZxVFCGq18vWB7zpXaZ6W09wSS=, log1'\]^gi' file.yml

Second, using ^ to quote pattern for the s command is unwise and confusing because ^ has a special meaning in RE: anchor for the start of line.

Third, if it's YAML then parse it with yq rather than with sed.

MadeInGermany · 06-06-2020, 03:21 AM

In the replacement string you must escape

the shell string delimiter ' so each ' with a '\''
the separator ^ so each ^ with a \^
the match reference & so each & with a \&
the escape character \ so each \ with a \\