#
# Copyright (c) 2021 Guy Baconniere.
#
## How to use this Makefile
#
# cd git
# mkdir ex01
# cd ex01
# make -f ../../Makefile ex01
#

marvin = "\"\\\?\$$\*\'MaRViN\'\*\$$\?\\\""

clone:
	@git clone git@vogsphere.42lausanne.ch:vogsphere/intra-uuid-a2e8ee6f-787d-4ee8-9eb4-359821770152-3701046 git

ex01:
	@rm -f print_groups.sh
	@printf "#!/bin/sh\n" > print_groups.sh
	@printf "id -Gn \$$FT_USER | tr ' ' ','\n" >> print_groups.sh
	@chmod +x print_groups.sh
	@FT_USER=daemon ./print_groups.sh | cat -e

ex02:
	@rm -f find_sh.sh file?.sh
	@touch file1.sh file2.sh file3.sh
	@printf "#!/bin/sh\n" > find_sh.sh
	@printf "find . -type f -name '*.sh' -exec basename '{}' .sh \;\n" >> find_sh.sh
	@chmod +x ./find_sh.sh
	@./find_sh.sh | cat -e
	@rm -f file?.sh

ex03:
	@rm -f count_files.sh file*
	@touch file{1..40}
	@printf "#!/bin/sh\n" > count_files.sh
	@printf "find . \( -type f -o -type d \) | wc -l | tr -d ' '\n" >> count_files.sh
	@chmod +x ./count_files.sh
	@./count_files.sh | cat -e
	@rm -f file*

ex04:
	@rm -f MAC.sh
	@printf "#!/bin/sh\n" > MAC.sh
	@printf "ifconfig | grep -oE 'ether .*' | cut -c7-23\n" >> MAC.sh
	@chmod +x ./MAC.sh
	@./MAC.sh | cat -e

ex05:
	@rm -f -- *MaRV*
	@printf "42" > "$(marvin)"
	@touch -t 10021221.00 "$(marvin)"
	@chmod 0614 "$(marvin)"
	@ls -lRA *MaRV* | cat -e

ex06:
	@rm -f skip.sh file*
	@touch file{1..8}
	@printf "#!/bin/sh\n" > skip.sh
	@printf "ls -l | awk '{ if ((NR + 1) %% 2 == 0) print \$$0 }'\n" >> skip.sh
	@chmod +x ./skip.sh
	@./skip.sh | cat -e
	@rm -f file*

ex07:
	@rm -f r_dwssap.sh
	@printf "#!/bin/sh\n" > r_dwssap.sh
	@printf "grep -v '^#' /etc/passwd | awk -F ':' '/^FT_LINE1/,/^FT_LINE2/ { n++; login=\$$1; rev=\"rev <<<\"login; rev | getline revlogin; close(rev); print ((n > 1) && ((n+1) %% 2 == 0))? revlogin:login }' | sort -rh | tr '\\\\n' ' ' | sed 's/ $$/./; s/ /, /g;'\n" >> r_dwssap.sh
	@chmod +x ./r_dwssap.sh
	@./r_dwssap.sh | cat -e

ex08:
	@rm -f add_chelou.sh
	@printf "#!/bin/sh\n" > add_chelou.sh
	@printf "echo Trop chelou de jouer avec tr et de jouer cet escape game.\n" >> add_chelou.sh
	@chmod +x ./add_chelou.sh
	@./add_chelou.sh | cat -e

all: clone