grep -v 13 zeros in a string Post: 302678229

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Remove O and preceeding zeros in a string

Hi all, Can anybody help me out to write a program in perl to remove O and preceeding zeros. for eg input is O0000123089 - output 123089 Thanks Mahalakshmi.A

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Grep string in files and list file names that contain the string

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Grep a string and count following lines starting with another string

I have a large dataset with following structure; C 0001 Carbon D SAR001 methane D SAR002 ethane D SAR003 propane D SAR004 butane D SAR005 pentane C 0002 Hydrogen C 0003 Nitrogen C 0004 Oxygen D SAR011 ozone D SAR012 super oxide C 0005 Sulphur D SAR013...

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