Plan 9 from Bell Labs’s /usr/web/sources/plan9/acme/bin/Perl
#!/bin/rc # aperl: # Executes perl command and alters stderr to produce Acme-friendly error messages # Created 02-JUL-1996, Luther Huffman, lutherh@stratcom.com /bin/perl $* |[2] /bin/perl -pe 's/ line (\d+)/:$1 /' >[1=2]