Created
December 24, 2015 19:08
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An attempt to use AWK to find and replace $1 based on line number.
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| awk '{ if (NR==1) {getroot = "blkid -s UUID /dev/fedora_server/root|cut -d: -f2"} {getroot |& getline root } {$1=root} \ | |
| if (NR==2) {close("getroot")}{getboot = "blkid -s UUID /dev/mmcblk0p1|cut -d: -f2"} {getboot |& getline boot} {$1=boot} {close("getboot")} \ | |
| if (NR==3) {close("getboot")}{getswap = "blkid -s UUID /dev/mmcblk0p2|cut -d: -f2"} {getswap |& getline swap} {$1=swap} } {close("getswap")}1' etc/fstab | |
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