each line as 20digit long append zero "0" in front

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Append a line "while read line"

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Find lines with "A" then change "E" to "X" same line

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hi; this is my qqq.mos: l ./gcsw 86.0.0.1 'lt all;l+;lset SectorPort=860 Tilt 861;l-' l ./gcsw 86.0.0.2 'lt all;l+;lset SectorPort=862 Tilt 863;l-' l ./gcsw 86.0.0.3 'lt all;l+;lset SectorPort=864 Tilt 865;l-' ... i want to append;l nawk 'NR==14 && $NF!="Set."{print "l ./gcsw "r"...

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sed append "\n" to end of every line in file

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Explain the line "mn_code=`env|grep "..mn"|awk -F"=" '{print $2}'`"

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Shell Programming and Scripting