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02-10-2002
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Regular expressions in sed
I'm using sed to alter a parameter file used in another process. Basically, the file is a template containing a few variables which need to be replaced at runtime.
The problem is that using sed with filenames that contain the / character causes matches to fail. eg: fileName=/mnt/someinputfile sed -e "s/param1/${fileName}/g" somefile.txt > runfile Could someone suggest how I can get around this? Also, anyone know a good site for regexp? ===================================== I've also tried doing an escaped forward slash substitution. ie. replace all "/" with "\\\/". It works outside the shell, but not inside. Wierd. Here's the code fragment: Code:
# 2 Modify the runCSjob.xml file: output to jobFile
subRunDate=`echo ${runDate}|sed -e "s/\//\\\\\//g"`;
substituteRunDate="1,\$s/\\\${runDate}/${subRunDate}/g";
subOutputFile=`echo ${outputFile}|sed -e "s/\//\\\\\//g"`;
substituteOutputFile="1,\\\$s/\${outputFile}/${subOutputFile}/g"
substituteRunType="1,\$s/\${runType}/${runType}/g";
sed -e "${substituteRunDate}" -e "${substituteOutputFile}" -e "${substituteRunType}" ${UTOPIA_BIN}/runCSjob.xml > ${tmpFile}.xml
__________________
:) Mark Last edited by mfreemantle; 02-10-2002 at 06:21 PM. |
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02-10-2002
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mfreemantle,
You may try to post this question in Quote:
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02-11-2002
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Re: Regular expressions in sed
Quote:
sed -e "s=param1=${fileName}=g" somefile.txt > runfile Sed's s command does not require the use of a slash as a delimiter. You can use any character. Pick a character that is not in your data. |
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