From 0a1fad6621384f110535b8ac701a6669f3421e58 Mon Sep 17 00:00:00 2001
From: jan6 <jan6@tilde.team>
Date: Mon, 6 Jul 2020 17:05:08 -0400
Subject: [PATCH] Upload files to ''

---
 add.sh         |  5 +++++
 byte2dec.sh    | 12 ++++++++++++
 count_bytes.sh |  8 ++++++++
 dec2byte.sh    | 11 +++++++++++
 gen_sheet.sh   | 12 ++++++++++++
 5 files changed, 48 insertions(+)
 create mode 100644 add.sh
 create mode 100644 byte2dec.sh
 create mode 100644 count_bytes.sh
 create mode 100644 dec2byte.sh
 create mode 100644 gen_sheet.sh

diff --git a/add.sh b/add.sh
new file mode 100644
index 0000000..e3e04e3
--- /dev/null
+++ b/add.sh
@@ -0,0 +1,5 @@
+add() {
+dc -e "$1 $2 + p"
+#extra version
+#dc -e "$1 $2 + 2 / p"
+}
diff --git a/byte2dec.sh b/byte2dec.sh
new file mode 100644
index 0000000..6957df6
--- /dev/null
+++ b/byte2dec.sh
@@ -0,0 +1,12 @@
+byte2dec() {
+ printf "%s" "$1"|
+ od -A n -t d1|
+ tr -s "[:blank:]" "\n"|
+ tail -n +2|
+ while read i;do
+  echo "$i"|
+  awk '/^[^-]/{printf("%03d ", $0);};\
+       /^-/{print 256-substr($1,2)}'|
+  tr "[:space:]" " ";
+ done
+}
diff --git a/count_bytes.sh b/count_bytes.sh
new file mode 100644
index 0000000..46c68c6
--- /dev/null
+++ b/count_bytes.sh
@@ -0,0 +1,8 @@
+count_bytes() {
+ printf "%s" "$1"|od -A n -t x1|
+ tr -s "[:space:]"|
+ sed -e "1s/[[:space:]]//"\
+     -e "s/.../&\n/g"|
+ tr  -s "[:space:]"|
+ wc -l
+}
diff --git a/dec2byte.sh b/dec2byte.sh
new file mode 100644
index 0000000..ea77d97
--- /dev/null
+++ b/dec2byte.sh
@@ -0,0 +1,11 @@
+dec2byte() {
+ printf "%s" "$1"|
+ tr " " "\n"|
+ while read i;do
+  echo "8 o $i p"|dc|
+  while read j;do
+   printf "\\$j";
+  done;
+ done;
+ echo
+}
diff --git a/gen_sheet.sh b/gen_sheet.sh
new file mode 100644
index 0000000..ff4538e
--- /dev/null
+++ b/gen_sheet.sh
@@ -0,0 +1,12 @@
+gen_sheet0() {
+ n="${1:-8}"
+ n="$(expr "$n" "*" "4")"                 #  ↓↓↓ octal
+ grep -o "[[:digit:]]" -a /dev/urandom|grep [0-7]|
+ head -n "$n"|
+ tr -d "\n"|
+ sed -e "s/..../&\n/g";
+ echo;
+}
+gen_sheet() {
+gen_sheet0 "$1"|tr -s "[:space:]"|tee sheet.txt
+}