Creating new tool

bin/rotate-chars

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+#! /usr/bin/env python3
+
+import sys
+import signal
+import logging
+import argparse
+
+parser = argparse.ArgumentParser(description='Rotate a file - lines become columns and viceversa')
+parser.add_argument('-v', '--verbose', action='count', help='Enable debugging')
+args = parser.parse_args()
+
+logging.basicConfig(format='%(asctime)s %(levelname)s %(pathname)s:%(lineno)d %(msg)s')
+log = logging.getLogger(sys.argv[0])
+log.setLevel(logging.WARNING - (args.verbose or 0)*10)
+
+signal.signal(signal.SIGPIPE, lambda signum, stack_frame: exit(0))
+
+if sys.stdin.isatty():
+  parser.error('stdin must be directed')
+
+lines = sys.stdin.read().splitlines()
+if lines:
+  for col in range(max([len(line) for line in lines])):
+    line = ''
+    log.info(f'{col=}')
+    for row in range(len(lines)):
+      log.info(f'{row=} {col=}')
+      if col < len(lines[row]):
+        line += lines[row][col]
+      else:
+        line += ' '
+      log.info(f'{line=}')
+    print(line.rstrip())