relpipe-data/examples/relpipe-out-fstab.sh
author František Kučera <franta-hg@frantovo.cz>
Tue, 04 Dec 2018 22:33:36 +0100
branchv_0
changeset 180 d342de2e09a4
child 194 cd5524d03739
permissions -rwxr-xr-x
examples: fstab formatting using -in-fstab, -out-nullbyte, xargs and Perl

#!/bin/bash

(
	# Just troll-in the first record:
	relpipe-in-cli generate Heathers 7 \
		Duke string McNamara string Chandler string Veronica string J.D. string \
		Big string Fun string \
		'' '# <file system>' '<mount point>' '<type>' '<options>' '<dump>' '<pass>';
		# relpipe-out-nullbyte processes only attribute values
	# Read the actual pipe's input:
	cat
)	| relpipe-out-nullbyte \
	| xargs --null --max-args=7 perl -e \
		'printf("%-*s %-*s %-*s %-*s %-*s %s\n",
			# following numbers define paddings:
			50, ($ARGV[0] eq "" ? $ARGV[1] : "$ARGV[0]=$ARGV[1]"),
			40, ($ARGV[2] eq "" ? "none" : $ARGV[2]),
			16, $ARGV[3],
			50, $ARGV[4],
			 8, $ARGV[5],
			$ARGV[6]
		);'