sed sed 's/^[ ]*//g' filename sed 's/^ *//g' filename sed 's/^[[:space:]]*//g' filename 1 sed 's/^[ ]*//g' filename sed 's/^ *//g' filename sed 's/^[[:space:]]*//g' filename 2 sed 's/pattern/&\n/g' filename sed 's/pattern/\n&/g' filename &pattern 3()
sed -e "s/$var1/$var2/g" filename 4 sed -i '1 i\' filename 5 sed -i '$ a\' filename 6 sed -i '/pattern/ i ""' filename 7 sed -i '/pattern/ a ""' filename 8# grep -v ^# filename sed /^[[:space:]]*$/d sed /^$/d SED Unix USEFUL ONE-LINE SCRIPTS FOR SED (Unix stream editor) HANDY ONE-LINERS FOR SED (Unix stream editor) Eric Pement - pemente[at]northpark[dot]edu 5.5 Joe Hong - hq00e[at]126[dot]com http://sed.sourceforge.net/sed1line.txt http://www.pement.org/sed/sed1line.txt
Decimal integer
1.: ps -eo "%C : %p : %z : %a" sort -k5 -nr 2.: ps -A lsof -p PID 3.IPgrep,awk,cut ifconfig eth0 grep "inet addr:" awk '{print $2}' cut -c 6-