Rican7 · December 11, 2015 19:44
diff --git a/Bash 4 coprocesses and external data mapping b/Bash 4 coprocesses and external data mapping
 NOTE! This requires Bash v4.x
diff --git a/external_list.txt b/external_list.txt
 this
 is
 awesome
diff --git a/output b/output
 (4) this
 (2) is
 (7) awesome
diff --git a/print_mapped_external b/print_mapped_external
 #!/usr/bin/env bash

 # NOTE! Requires Bash v4.x

 coproc cat ./external_list.txt
 mapfile -u ${COPROC[0]} mapped_list

 for name in "${mapped_list[@]}";
 do
    echo "(${#name}) $name"
 done
	#!/usr/bin/env bash

	# NOTE! Requires Bash v4.x

	coproc cat ./external_list.txt
	mapfile -u ${COPROC[0]} mapped_list

	for name in "${mapped_list[@]}";
	do
	echo "(${#name}) $name"
	done