Maybe you are looking for a particular phrase in log files or maybe you are a programmer and need to find some string that is inside many different code files?
Here is how you can find and replace a string in several text files.
For this example, the Oracle DBA wants to replace strings NSR* in all rman scripts:
#!/usr/bin/ksh for base in /oracle/scripts/rman/rcv/*.rcv do TMP=$(mktemp test.XXXXXX) sed 's/NSR_SERVER=networker-hme0, NSR_DATA_VOLUME_POOL=BU UNT FULL/NSR_SERVER=freppax-laaf02h, NSR_DATA_VOLUME_POOL=FullHP/g' $base > "$TMP" && mv "$TMP" $base done export PS1="\$ORACLE_SID $LOGNAME@$(hostname):\${PWD}> " stty erase ^H export HISTSIZE=100 export EDITOR=vi set -o vi alias ll="ls -altr" umask 022
Summary
Article Name
Find and replace a string in several text files
Description
Here is how you can find and replace a string in several text files. You need to find some string that is inside many different code files
Author
Vincent Fenoll